Immutable sequence used for indexing and alignment. The basic object storing axis labels for all pandas objects. Changed in version 2.0.0: Index can hold all numpy numeric dtypes (except float16). Previously only int64/uint64/float64 dtypes were accepted. If dtype is None, we find the dtype that best fits the data.Pandas set_index () is a method to set a List, Series or Data frame as index of a Data Frame. Index column can be set while making a data frame too. But sometimes a data frame is made out of two or more data frames and hence later index can be changed using this method. Syntax: DataFrame.set_index (keys, drop=True, append=False, inplace=False ...Y, si quieres crear un archivo index.html de forma rápida, este editor te ofrece algunos atajos interesantes para ahorrar tiempo. Debes seguir los siguientes pasos: Abre Visual Studio Code en tu ordenador. Antes de escribir nada de código, guarda el archivo con el nombre «index.html». Escribe lo siguiente: html:5.See the complete list of world stock indexes with points and percentage change, volume, intraday highs and lows, 52 week range, and day charts.Step 4: Inside the VBA loop, execute the formula. In the 5th column, we need to apply the formula, so the code is CELLS (k,5).Value =. Code: Sub INDEX_MATCH_Example1 () Dim k As Integer For k = 2 To 5 Cells (k, 5).Value = Next k End Sub. Step 5: We must apply that cell’s VBA INDEX and MATCH formula. As we said, we need to use these functions ...The CREATE INDEX statement is used to create indexes in tables. Indexes are used to retrieve data from the database more quickly than otherwise. The users cannot see the indexes, they are just used to speed up searches/queries. Note: Updating a table with indexes takes more time than updating a table without (because the indexes also need an ...This could mean that an intermediate result is being cached. 10000 loops, best of 3: 105 µs per loop In [299]: %timeit df.index = pd.RangeIndex(len(df.index)) The slowest run took 15.05 times longer than the fastest.Description. CREATE INDEX constructs an index on the specified column (s) of the specified table. Indexes are primarily used to enhance database performance (though inappropriate use can result in slower performance). The key field (s) for the index are specified as column names, or alternatively as expressions written in parentheses.A pilot has died after the plane he was flying as part of a gender reveal party in Mexico crashed on Sunday. Video posted online shows the plane releasing pink smoke as it flies over a couple ...The indicators are used to create a health index, an education index and an income index, each with a value between 0 and 1. The geometric mean of the three indices—that is, the cube root of the product of the indices—is the human development index. A value above 0.800 is classified as very high, between 0.700 and 0.799 as high, 0.550 to 0. ...Index: An index is an indicator or measure of something, and in finance, it typically refers to a statistical measure of change in a securities market. In the case of financial markets , stock and ...The CREATE INDEX command is used to create indexes in tables (allows duplicate values). Indexes are used to retrieve data from the database very fast. The users cannot see the indexes, they are just used to speed up searches/queries. The following SQL creates an index named "idx_lastname" on the "LastName" column in the "Persons" table:Description. CREATE INDEX constructs an index on the specified column (s) of the specified table. Indexes are primarily used to enhance database performance (though inappropriate use can result in slower performance). The key field (s) for the index are specified as column names, or alternatively as expressions written in parentheses.A pilot has died after the plane he was flying as part of a gender reveal party in Mexico crashed on Sunday. Video posted online shows the plane releasing pink smoke as it flies over a couple ...One thing to note before we dive into some analysis is the .sort_index () Pandas function. When creating a DataFrame with a MultiIndex, make sure to append that to the end of the line of code like this: multi = df.set_index ( [‘Film’, ‘Chapter’, ‘Race’, ‘Character’]).sort_index () The Pandas documentation has this note on it:DXY | A complete U.S. Dollar Index (DXY) index overview by MarketWatch. View stock market news, stock market data and trading information. Details. Indexes are special data structures that store a small portion of the collection's data set in an easy-to-traverse form. MongoDB indexes use a B-tree data structure. The index stores the value of a specific field or set of fields, ordered by the value of the field. The ordering of the index entries supports efficient equality matches ...índex n. m. Llista ordenada de les matèries o parts d'un llibre o d'una publicació que hi ha al principi o al final de l'obra, amb indicacions per poder-les localitzar: busqueu a l'índex del llibre en quina pàgina comença el capítol cinc. Llista en què es registren, es descriuen i s'ordenen, seguint un criteri establert, persones, coses ...index translate: índice, indexar, indiciar, índice [masculine], índice [masculine], lista [feminine], índice…. Learn more in the Cambridge English-Spanish ...Details. Indexes are special data structures that store a small portion of the collection's data set in an easy-to-traverse form. MongoDB indexes use a B-tree data structure. The index stores the value of a specific field or set of fields, ordered by the value of the field. The ordering of the index entries supports efficient equality matches ...Index: Quote: Change: Change% Local: US Dollar: 104.72-0.09-0.08%: 09:02: Euro Index: 107.10-0.15-0.14%: 10:04: GB Pound: 124.89-0.77-0.61%: 10:04: Japanese Yen: 67.76: 0.06: 0.09%: 10:04: Aus. Dollar: 63.71-0.10-0.15%: 10:04: Swiss Franc: 111.88-0.55-0.49%: 10:04: Baltic Dry: 1081.00: 18.00: 1.69%: 09/06: Baltic Capesize: 1034.00: 37.00: 3.71% ...After installing Java, you will need to enable Java in your browser. Linux filesize: 96.43 MB. Instructions. Linux x64 filesize: 93.05 MB. Instructions. Linux x64 RPM filesize: 95.11 MB.Aug 30, 2023 · index ( third-person singular simple present indexes, present participle indexing, simple past and past participle indexed ) ( transitive) To arrange an index for something, especially a long text . MySQL does not index short words and common words. To inventory; to take stock. Lontana Group News Contact. (+34) 941.272.131. Products. Solutions. Services. Company. TXE BIMETAL FIXING. manufactured with innovative BIMETAL technology, which offers high resistance to both corrosion and wear during installation. + information.Immutable sequence used for indexing and alignment. The basic object storing axis labels for all pandas objects. Changed in version 2.0.0: Index can hold all numpy numeric dtypes (except float16). Previously only int64/uint64/float64 dtypes were accepted. If dtype is None, we find the dtype that best fits the data.Summary. The Excel INDEX function returns the value at a given location in a range or array. You can use INDEX to retrieve individual values, or entire rows and columns. The MATCH function is often used together with INDEX to provide row and column numbers.Characteristics specific to hash indexes (as used in tables) are described in Section 8.3.9, “Comparison of B-Tree and Hash Indexes”. MySQL uses indexes for these operations: To find the rows matching a. To eliminate rows from consideration. If there is a choice between multiple indexes, MySQL normally uses the index that finds the smallest ...The Standard and Poor's 500, or simply the S&P 500, is a stock market index tracking the stock performance of 500 of the largest companies listed on stock exchanges in the United States.💡The DXY index managed to break the 🔴 Resistance zone($103.80-$103.38) 🔴 last week. 🌊According to the Elliott wave theory , DXY completed the Zigzag correction(ABC/5-3-5) with the Expanding Ending Diagonal . 🔔I expect the DXY index to go up in the 🌙Coming Months🌙 and break Hi everyone👋. 💡The DXY index managed to break ...This feature is being introduced in EF Core 7.0. In most databases, each column covered by an index can be either ascending or descending. For indexes covering only one column, this typically does not matter: the database can traverse the index in reverse order as needed. However, for composite indexes, the ordering can be crucial for good ...W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.After installing Java, you will need to enable Java in your browser. Linux filesize: 96.43 MB. Instructions. Linux x64 filesize: 93.05 MB. Instructions. Linux x64 RPM filesize: 95.11 MB.The highest product price: INDEX (SORT (Products [Price], TRUE), 1) Products [Price] retrieves the list of all values from the Price column of the Products table. SORT (..., TRUE) orders the list of prices numerically in descending/high-to-low order ( TRUE ). INDEX (..., 1) returns the first price in the sorted list.In most cases, the users of an index are unaware that it is being used because Db2 decides whether to use the index to access the table. Db2 supports simple indexes and extended indexes. An extended index is one of the following objects: An expression-based index; A spatial index; An XML index; Be aware that indexes have both benefits and ...Index (statistics) In statistics and research design, an index is a composite statistic – a measure of changes in a representative group of individual data points, or in other words, a compound measure that aggregates multiple indicators. [1] [2] Indexes – also known as composite indicators – summarize and rank specific observations.retail price index n: UK (measure of inflation) indice des prix à la consommation nm: subject index n (alphabetical contents list) index thématique nm : L'index thématique se trouve à la fin de l'ouvrage. index des thèmes nm : Dans l'index des thèmes, les personnages faisant l'objet d'un article apparaissent en caractères gras. index des ...index nm (doigt) forefinger, index finger n : La prof donne des conseils en pointant son index. The teacher gives advice, while pointing her forefinger. index nm (liste, répertoire) index n : À la fin du livre, il y a un index des nom propres. At the end of the book, there is an index of proper nouns.Step 1. Add an index column. You first need to add a new Index column to your table that starts from 0. Step 2. Add a modulo column from the index column. The next step is to select the newly added index column, and then on the Add column tab, select Standard > Modulo. In the Modulo dialog box, enter the number from which to find the remainder ...With the MSCI Client-Designed Indexes, institutions can tap into the full scope of our advanced indexing resources and extensive data, while specifying their unique index requirements. Direct Indexing. Tools and capabilities designed to help you satisfy your clients' unique needs, whether related to reducing carbon emissions of their portfolios ...VLOOKUP can only be used when the lookup value is to the left of the desired attribute to return. Find Who is at Table Number 2. =INDEX (A1:D6, MATCH (2, D1:D6, 0), MATCH ("Guest Name", A1:D1, 0)) Mary. INDEX and MATCH can be used regardless of where the lookup value is located relative to the desired attribute to return.An index number is an economic data figure reflecting price or quantity compared with a standard or base value. [5] [6] The base usually equals 100 and the index number is usually expressed as 100 times the ratio to the base value. For example, if a commodity costs twice as much in 1970 as it did in 1960, its index number would be 200 relative ...W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.Google Scholar Metrics. Google Scholar Metrics provide an easy way for authors to quickly gauge the visibility and influence of recent articles in scholarly publications. Scholar Metrics summarize recent citations to many publications, to help authors as they consider where to publish their new research. To get started, you can browse the top ...How to fix list index out of range using Index () Here we are going to create a list and then try to iterate the list using the constant values in for loops. Python3. li = [1,2 ,3, 4, 5] for i in range(6): print(li [i])Aug 30, 2023 · index ( third-person singular simple present indexes, present participle indexing, simple past and past participle indexed ) ( transitive) To arrange an index for something, especially a long text . MySQL does not index short words and common words. To inventory; to take stock. Type the fully-qualified URL to inspect in the inspection search bar at the top of any Search Console screen. The URL must be in the currently opened property. Click an Inspect link next to a page URL in most reports. Sometimes you need to hover over the URL to see this option. Open the URL Inspection Tool.traducir index: índice, indexar, indiciar, índice [masculine], índice [masculine], lista [feminine], índice…. Más información en el diccionario inglés-español.Index is a free Android app designed by designplox in the category of Business & Productivity, specifically Finance. It aims to help users track their expenses in a simple and minimalistic way. With Index, users can easily input their expenses and categorize them for better organization and analysis. The app's interface is straightforward and ...Index: An index is an indicator or measure of something, and in finance, it typically refers to a statistical measure of change in a securities market. In the case of financial markets , stock and ...INDEX and MATCH is the most popular tool in Excel for performing more advanced lookups. This is because INDEX and MATCH are incredibly flexible – you can do horizontal and vertical lookups, 2-way lookups, left lookups, case-sensitive lookups, and even lookups based on multiple criteria. If you want to improve your Excel skills, INDEX and MATCH should be on your list. See below for many examples.The INDEX function returns a value or the reference to a value from within a table or range. There are two ways to use the INDEX function: If you want to return the value of a specified cell or array of cells, see Array form. If you want to return a reference to specified cells, see Reference form. After installing Java, you will need to enable Java in your browser. Linux filesize: 96.43 MB. Instructions. Linux x64 filesize: 93.05 MB. Instructions. Linux x64 RPM filesize: 95.11 MB.Description. The indexOf () method compares searchElement to elements of the array using strict equality (the same algorithm used by the === operator). NaN values are never compared as equal, so indexOf () always returns -1 when searchElement is NaN. The indexOf () method skips empty slots in sparse arrays. The indexOf () method is generic.With the MSCI Client-Designed Indexes, institutions can tap into the full scope of our advanced indexing resources and extensive data, while specifying their unique index requirements. Direct Indexing. Tools and capabilities designed to help you satisfy your clients' unique needs, whether related to reducing carbon emissions of their portfolios ...index noun (COMPARISON) [ C ] a system of numbers used for comparing values of things that change according to each other or a fixed standard: the FTSE 100 Index. the Dow Jones Index. a wage / price index. [ C usually singular ] something that shows how strong or common a condition or feeling is:The meaning of INDEX is a list (as of bibliographical information or citations to a body of literature) arranged usually in alphabetical order of some specified datum (such as author, subject, or keyword). How to use index in a sentence. Index. The INDEX function below returns a specific value in a one-dimensional range. Explanation: the INDEX function returns the 5th value (second argument) in the range E3:E9 (first argument). Index and Match. Replace the value 5 in the INDEX function (see previous example) with the MATCH function (see first example) to lookup the salary of ID 53.Specify two or more column names to create a composite index on the combined values in the specified columns. List the columns to be included in the composite index, in sort-priority order, inside the parentheses after table_or_view_name. Up to 32 columns can be combined into a single composite index key.The euro foreign exchange reference rates (also known as the ECB reference rates) are published by the ECB at around 16:00 CET. Reference rates for all the official currencies of non-euro area Member States of the European Union and world currencies with the most liquid active spot FX markets are set and published. The ECB aims to ensure that the exchange rates published reflect the market ...Sign in with. or. Username. Password. Forgot username or password? Keep me signed in for 2 weeks.VLOOKUP can only be used when the lookup value is to the left of the desired attribute to return. Find Who is at Table Number 2. =INDEX (A1:D6, MATCH (2, D1:D6, 0), MATCH ("Guest Name", A1:D1, 0)) Mary. INDEX and MATCH can be used regardless of where the lookup value is located relative to the desired attribute to return.The Global Innovation Index (GII) tracks the most recent global innovation trends against the background of an ongoing COVID-19 pandemic, slowing productivity growth and other evolving challenges. It reveals the most innovative economies in the world, ranking the innovation performance of around 132 economies while highlighting innovation ...traducir index: índice, indexar, indiciar, índice [masculine], índice [masculine], lista [feminine], índice…. Más información en el diccionario inglés-español.Añadir o eliminar un índice. En tu ordenador, abre un documento en Documentos de Google. Haz clic en el lugar donde quieras insertar el índice. Haz clic en Insertar Índice. Elige el formato que quieres que tenga el índice. Para eliminarlo, haz clic con el botón derecho y elige Eliminar índice.DXY | A complete U.S. Dollar Index (DXY) index overview by MarketWatch. View stock market news, stock market data and trading information. Summary. The Excel INDEX function returns the value at a given location in a range or array. You can use INDEX to retrieve individual values, or entire rows and columns. The MATCH function is often used together with INDEX to provide row and column numbers.index translate: índice, indexar, indiciar, índice [masculine], índice [masculine], lista [feminine], índice…. Learn more in the Cambridge English-Spanish ...Description. The indexOf () method compares searchElement to elements of the array using strict equality (the same algorithm used by the === operator). NaN values are never compared as equal, so indexOf () always returns -1 when searchElement is NaN. The indexOf () method skips empty slots in sparse arrays. The indexOf () method is generic.In mathematics, specifically group theory, the index of a subgroup H in a group G is the number of left cosets of H in G, or equivalently, the number of right cosets of H in G . The index is denoted or or . Because G is the disjoint union of the left cosets and because each left coset has the same size as H, the index is related to the orders ...IndexNow Easy to use protocol that websites can call to notify Bing whenever website contents on any URL is updated or created allowing instant crawling, and discovery of the URLIndex (statistics) In statistics and research design, an index is a composite statistic – a measure of changes in a representative group of individual data points, or in other words, a compound measure that aggregates multiple indicators. [1] [2] Indexes – also known as composite indicators – summarize and rank specific observations.Specify two or more column names to create a composite index on the combined values in the specified columns. List the columns to be included in the composite index, in sort-priority order, inside the parentheses after table_or_view_name. Up to 32 columns can be combined into a single composite index key.If a table has no clustered index, its data rows are stored in an unordered structure called a heap. Nonclustered. Nonclustered indexes have a structure separate from the data rows. A nonclustered index contains the nonclustered index key values and each key value entry has a pointer to the data row that contains the key value. The pointer from ...RSF's World Press Freedom Index aims to compare the level of press freedom enjoyed by journalists and media in 180 countries and territories.3 Answers. Sorted by: 1. If I understand you simply want to walk through your text and locate the first ':' and then print the remainder of a from that point until the end, you can do it quite easily with the index generated by your loop, e.g. #include <stdio.h> #include <string.h> int main ( void) { char a [] = "1234:once:echo hello"; int i ...Summary. The Excel INDEX function returns the value at a given location in a range or array. You can use INDEX to retrieve individual values, or entire rows and columns. The MATCH function is often used together with INDEX to provide row and column numbers. The euro foreign exchange reference rates (also known as the ECB reference rates) are published by the ECB at around 16:00 CET. Reference rates for all the official currencies of non-euro area Member States of the European Union and world currencies with the most liquid active spot FX markets are set and published. The ECB aims to ensure that the exchange rates published reflect the market ...Position is positive: 1 is the first row, 2 is the second row, etc. Position is negative: -1 is the last row, -2 is the second last row, etc. When Position is out of the boundary, or zero, or BLANK (), INDEX will return an empty table. It can be any DAX expression that returns a scalar value. A table expression from which the output is returned.Key ECB interest rates. The Governing Council of the ECB sets the key interest rates for the euro area: The interest rate on the main refinancing operations (MRO), which provide the bulk of liquidity to the banking system. The rate on the deposit facility, which banks may use to make overnight deposits with the Eurosystem.The CREATE INDEX statement is used to create indexes in tables. Indexes are used to retrieve data from the database more quickly than otherwise. The users cannot see the indexes, they are just used to speed up searches/queries. Note: Updating a table with indexes takes more time than updating a table without (because the indexes also need an ...The INDEX function returns a value or the reference to a value from within a table or range. There are two ways to use the INDEX function: If you want to return the value of a specified cell or array of cells, see Array form. If you want to return a reference to specified cells, see Reference form.Index: Quote: Change: Change% Local: US Dollar: 104.72-0.09-0.08%: 09:02: Euro Index: 107.10-0.15-0.14%: 10:04: GB Pound: 124.89-0.77-0.61%: 10:04: Japanese Yen: 67.76: 0.06: 0.09%: 10:04: Aus. Dollar: 63.71-0.10-0.15%: 10:04: Swiss Franc: 111.88-0.55-0.49%: 10:04: Baltic Dry: 1081.00: 18.00: 1.69%: 09/06: Baltic Capesize: 1034.00: 37.00: 3.71% ... Sorted by: 42. It's the way to say to the Laravel Migration to add indices to that column, in order to get faster results when searching through that particular column. It's a common procedure in DB design when building tables. Just "index" some particular columns if you plan to make searchs in the table using those columns.W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.After installing Java, you will need to enable Java in your browser. Linux filesize: 96.43 MB. Instructions. Linux x64 filesize: 93.05 MB. Instructions. Linux x64 RPM filesize: 95.11 MB.The Standard and Poor's 500, or simply the S&P 500, is a stock market index tracking the stock performance of 500 of the largest companies listed on stock exchanges in the United States.If column_num is omitted, row_num is required. For example, the formula =INDEX (A1:D6, 4, 3) returns the value at the intersection of the 4 th row and 3 rd column in range A1:D6, which is the value in cell C4. To get an idea of how the INDEX formula works on real data, please have a look at the following example:retail price index n: UK (measure of inflation) indice des prix à la consommation nm: subject index n (alphabetical contents list) index thématique nm : L'index thématique se trouve à la fin de l'ouvrage. index des thèmes nm : Dans l'index des thèmes, les personnages faisant l'objet d'un article apparaissent en caractères gras. index des ...Google Scholar Metrics. Google Scholar Metrics provide an easy way for authors to quickly gauge the visibility and influence of recent articles in scholarly publications. Scholar Metrics summarize recent citations to many publications, to help authors as they consider where to publish their new research. To get started, you can browse the top ...
Google Scholar Metrics. Google Scholar Metrics provide an easy way for authors to quickly gauge the visibility and influence of recent articles in scholarly publications. Scholar Metrics summarize recent citations to many publications, to help authors as they consider where to publish their new research. To get started, you can browse the top .... Affiliate marketing sales pitch template
DataFrame.reindex(labels=None, *, index=None, columns=None, axis=None, method=None, copy=None, level=None, fill_value=nan, limit=None, tolerance=None) [source] #. Conform DataFrame to new index with optional filling logic. Places NA/NaN in locations having no value in the previous index. A new object is produced unless the new index is ...Sorted by: 42. It's the way to say to the Laravel Migration to add indices to that column, in order to get faster results when searching through that particular column. It's a common procedure in DB design when building tables. Just "index" some particular columns if you plan to make searchs in the table using those columns.How to fix list index out of range using Index () Here we are going to create a list and then try to iterate the list using the constant values in for loops. Python3. li = [1,2 ,3, 4, 5] for i in range(6): print(li [i])W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.Key ECB interest rates. The Governing Council of the ECB sets the key interest rates for the euro area: The interest rate on the main refinancing operations (MRO), which provide the bulk of liquidity to the banking system. The rate on the deposit facility, which banks may use to make overnight deposits with the Eurosystem.This could mean that an intermediate result is being cached. 10000 loops, best of 3: 105 µs per loop In [299]: %timeit df.index = pd.RangeIndex(len(df.index)) The slowest run took 15.05 times longer than the fastest.An index summarizes the change in value of all market stocks.Un índice resume el cambio de valor experimentado por la totalidad de las acciones del mercado. 6. (matemáticas) a. el índice. (M) If the index of the root is 2, it is a square root.Si el índice de la raíz es 2, se trata de una raíz cuadrada. b. el exponente.Indices on Overleaf. When adding an index to a project on Overleaf, it is important to note that for the index to compile properly, the main .tex file needs to be in the root directory of the project, outside of any folders. This ensures that the auxiliary files needed to generate the index are cached in a way that they are accessible to the ...index: number: The index of the current item in the iterable. count: number: The length of the iterable. first: boolean: True when the item is the first item in the ...Moving into its 15 th edition in 2022, the Global Innovation Index has been a leading reference for measuring an economy’s innovation performance. A large number of countries use the GII to assess and improve their innovation ecosystems and use the GII as a reference in economic plans and/or policies. Join the conversation: # ...In most cases, the users of an index are unaware that it is being used because Db2 decides whether to use the index to access the table. Db2 supports simple indexes and extended indexes. An extended index is one of the following objects: An expression-based index; A spatial index; An XML index; Be aware that indexes have both benefits and ...The Basics. The INDEX function searches source, from left to right, for the first occurrence of the string specified in excerpt, and returns the position in source of the string's first character. If the string is not found in source, INDEX returns a value of 0. If there are multiple occurrences of the string, INDEX returns only the position of ...DXY | A complete U.S. Dollar Index (DXY) index overview by MarketWatch. View stock market news, stock market data and trading information.Indexes are a common way to enhance database performance. An index allows the database server to find and retrieve specific rows much faster than it could do without an index. But indexes also add overhead to the database system as a whole, so they should be used sensibly. 10.6.index nm (doigt) forefinger, index finger n : La prof donne des conseils en pointant son index. The teacher gives advice, while pointing her forefinger. index nm (liste, répertoire) index n : À la fin du livre, il y a un index des nom propres. At the end of the book, there is an index of proper nouns.The Standard and Poor's 500, or simply the S&P 500, is a stock market index tracking the stock performance of 500 of the largest companies listed on stock exchanges in the United States.The indicators are used to create a health index, an education index and an income index, each with a value between 0 and 1. The geometric mean of the three indices—that is, the cube root of the product of the indices—is the human development index. A value above 0.800 is classified as very high, between 0.700 and 0.799 as high, 0.550 to 0. ...Description. The indexOf () method compares searchElement to elements of the array using strict equality (the same algorithm used by the === operator). NaN values are never compared as equal, so indexOf () always returns -1 when searchElement is NaN. The indexOf () method skips empty slots in sparse arrays. The indexOf () method is generic..