Returns a matrix of integers indicating their row number in a matrix-like object, or a factor indicating the row labels. Usage row(x, as.factor = FALSE) .row(dim) To get the position of a regular expression match in a vector x of text strings (this returns the index of the matching string in the vector, not the position of the match in the text string itself): pos = grep ( 'pattern' , x) Find index of a string inside a string?. Hi, I am searching for the equivalent of the function Index from SAS. In SAS: index("abcd", "bcd") will return 2 because bcd R Documentation: Find Maximum Position in Vector Description. Find the maximum position in a vector, breaking ties at random. Usage which.is.max(x) Arguments. x: a vector Details. Ties are broken at random. Value. index of a maximal value. References. Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S.

method = "last" returns the last of possibly several indices. Value. index of a maximal value for each row, an integer vector of length nrow(m) . References.

A missing value in the index always yields a missing value in the output: x[c( TRUE, TRUE, NA, FALSE)] #> [1] 2.1 4.2 NA. Nothing returns the original vector. 9 Jan 2018 There are a lot of jargon going around. What is TRI? The current benchmark indices are exclusive of dividends. Typically, the dividend in an index 

character specifying the algorithm used. index.return, logical indicating if the ordering index vector should be returned as well; this is only available for a few cases, 

28 Dec 2012 A more composable solution would be better here. Consider the way that sortperm is implemented in terms of applying sort! to an index vector 

13 Apr 2018 Yes, we can find the index of an element in a vector as follows: > a <- c(3, 2, -7, -3 , 5, 2) > b <- (a==-7) # this will output a TRUE/FALSE vector > 

Get the index of the first element in the array that has a value of 18 or more: array element where the function returns a true value, findIndex() returns the index  If a vector has no element names, then the names function returns NULL : Not passing any index will return the whole of the vector, but again, if you find  Here we show how to use R's indexing notation to pick out specific items within a the items corresponding to the variables that evaluate to TRUE are returned:. For example, return the entire third column of A . r = A(:,3). r = 4×1 3 7 11 15. In general, you can use indexing to access elements of any array in MATLAB  Compare ETFs tracking MSCI Europe Net Total Return Index - EUR: fact sheets, charts, Create a free account This index belongs to mutiple segments. 28 Dec 2012 A more composable solution would be better here. Consider the way that sortperm is implemented in terms of applying sort! to an index vector 

9 Jan 2018 There are a lot of jargon going around. What is TRI? The current benchmark indices are exclusive of dividends. Typically, the dividend in an index 

> > Hello all > > > Is There a fuction that return a index of a element in vector? > like this semantic example: > > vector = c( 100, 200, 300 ) > > getINDEX( vector, value = 200 ) > > Thanks in advance for your attention. Say: string = "the2quickbrownfoxeswere2tired" I would like the function to return 4 and 24 -- the character location of the 2s in st Stack Overflow Products If there are no explicit returns from a function, the value of the last evaluated expression is returned automatically in R. For example, the following is equivalent to the above function. We generally use explicit return() functions to return a value immediately from a function. The total return index is a type of equity index that tracks both the capital gains of a group of stocks over time, and assumes that any cash distributions, such as dividends, are reinvested back into the index. Looking at an index's total return displays a more accurate representation of the index's performance. Returns a matrix of integers indicating their row number in a matrix-like object, or a factor indicating the row labels. Usage row(x, as.factor = FALSE) .row(dim) To get the position of a regular expression match in a vector x of text strings (this returns the index of the matching string in the vector, not the position of the match in the text string itself): pos = grep ( 'pattern' , x)

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