r apply function

相關問題 & 資訊整理

r apply function

Apply Functions Over Array Margins. Returns a vector or array or list of values obtained by applying a function to margins of an array or matrix. Keywords: array ... ,Returns a vector or array or list of values obtained by applying a function to margins of an array or matrix. Usage. apply(X, MARGIN, FUN, ..., simplify = TRUE) ... , apply() takes Data frame or matrix as an input and gives output in vector, list or array. apply() Function is primarily used to avoid explicit uses of ...,Apply functions are a family of functions in base R which allow you to repetitively perform an action on multiple chunks of data. An apply function is essentially a ... , Apply functions in R. Iterative control structures (loops like for, while, repeat, etc.) allow repetition of instructions for several numbers of times., apply() is a R function which enables to make quick operations on matrix, vector or array. The operations can be done on the lines, the columns ..., The Apply Functions As Alternatives To Loops. This post will show you how you can use the R apply() function, its variants such as mapply() ..., In essence, the apply function allows us to make entry-by-entry changes to data frames and matrices. If MARGIN=1, the function accepts each row ..., 這時候就可以試著用R 內建的apply 家族,使用向量的方式來解決。 ... 這次的計算要by column,而後面的 function(a)sum(a^2) 是用來告訴apply 要 ..., 但是,由于在R语言中apply函数与其他语言循环体的处理思路是完全不一样 ... myFUN<- function(x, c1, c2) + c(sum(x[c1],1), mean(x[c2])) + } # 把 ...

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r apply function 相關參考資料
apply function | R Documentation

Apply Functions Over Array Margins. Returns a vector or array or list of values obtained by applying a function to margins of an array or matrix. Keywords: array&nbsp;...

https://www.rdocumentation.org

Apply Functions Over Array Margins - R

Returns a vector or array or list of values obtained by applying a function to margins of an array or matrix. Usage. apply(X, MARGIN, FUN, ..., simplify = TRUE)&nbsp;...

https://stat.ethz.ch

apply(), lapply(), sapply(), tapply() Function in R with ... - Guru99

apply() takes Data frame or matrix as an input and gives output in vector, list or array. apply() Function is primarily used to avoid explicit uses of&nbsp;...

https://www.guru99.com

Chapter 4: apply Functions - Learning Statistics in R

Apply functions are a family of functions in base R which allow you to repetitively perform an action on multiple chunks of data. An apply function is essentially a&nbsp;...

https://ademos.people.uic.edu

Dealing with Apply functions in R - Towards Data Science

Apply functions in R. Iterative control structures (loops like for, while, repeat, etc.) allow repetition of instructions for several numbers of times.

https://towardsdatascience.com

Function apply() – Tip 1 | R-bloggers

apply() is a R function which enables to make quick operations on matrix, vector or array. The operations can be done on the lines, the columns&nbsp;...

https://www.r-bloggers.com

R tutorial on the Apply family of functions - DataCamp

The Apply Functions As Alternatives To Loops. This post will show you how you can use the R apply() function, its variants such as mapply()&nbsp;...

https://www.datacamp.com

The R apply function – a tutorial with examples | R-bloggers

In essence, the apply function allows us to make entry-by-entry changes to data frames and matrices. If MARGIN=1, the function accepts each row&nbsp;...

https://www.r-bloggers.com

取代迴圈的apply 家族

這時候就可以試著用R 內建的apply 家族,使用向量的方式來解決。 ... 這次的計算要by column,而後面的 function(a)sum(a^2) 是用來告訴apply 要&nbsp;...

https://kemushi54.github.io

掌握R语言中的apply函数族| 粉丝日志

但是,由于在R语言中apply函数与其他语言循环体的处理思路是完全不一样 ... myFUN&lt;- function(x, c1, c2) + c(sum(x[c1],1), mean(x[c2])) + } # 把&nbsp;...

http://blog.fens.me