3. You are an R user familiar with vectorized functions In this case, you can simply addpbapply::pbbefore your*applyfunctions, e.g.apply()will becomepbapply::pbapply(), etc. You can guess what happens. Now if you want to speed things up a little (or a lot), trypbapply::pbapply(....
Andrew Lim https://screamyao.wordpress.com/2011/05/03/various-apply-functions-in-r-explained/ https://nsaunders.wordpress.com/2010/08/20/a-brief-introduction-to-apply-in-r/ http://www.ats.ucla.edu/stat/r/library/advanced_function_r.htm#apply 原文地址: http://www.cnblogs.com/aquastone/...
R中的apply函数与function函数 r语言apply函数用法,R语言apply函数家族详解applyApplyFunctionsOverArrayMargins对阵列行或者列使用函数apply(X,MARGIN,FUN,…)lapplyApplyaFunctionoveraListorVector对列表或者向量使用函数lapply(X,FUN,…)sapplyApplyaFunctionoveraList
A note on the R Apply Family The R Apply Family is a set of functions in R that allow users to apply a function to elements of a vector, list, or matrix. However, it is considered legacy functionality and should not be used for new code. Instead, it is recommended to use the purrr...
In the case of functions like ‘+’, ‘%*%’, etc., the function name must be backquoted or quoted. ...: optional arguments to ‘FUN’. apply函数重要的参数有3个,传入的数据X,操作的行列Margin,运行的函数FUN。 传入的数据X:array或matrix,但是基于实际情况,传入的数据大部分都是矩阵 Margin:1...
Apply Functions Over Array Margins对阵列行或者列使用函数 apply(X, MARGIN, FUN, ...) lapply Apply a Function over a List or Vector对列表或者向量使用函数 lapply(X, FUN, ...) sapply Apply a Function over a List or Vector对列表或者向量使用函数 sapply(X, FUN, ..., simplify = TRUE, USE...
apply() functionlapply( )functionsapply() functiontapply() functionapply() 函数 apply() takes Data frame or matrix as an input and gives output in vector, list or array. apply需要的输入是一个矩阵或者数据框，但是输出却不是这两个类型，这个是需要注意的，一般而言，apply的用法如下：apply(X, ...
Apply Functions Over ArrayMargins 对阵matrix或者array使用函数 apply(X, MARGIN, FUN,...) mapply Apply a Function to MultipleList or Vector Arguments mapply(FUN, ..., MoreArgs =NULL, SIMPLIFY = TRUE, USE.NAMES = TRUE) tapply apply a function over subsets of a vector ...
Difference Between data.frame & as.data.frame Functions is.data.frame & as.data.frame Functions in R Apply Function to Each Cell of Data Frame in R Change Classes of Data Frame Columns Automatically Replace Entire Data Frame Column in R ...
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