r apply function
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 ...
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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 ... 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) ... 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 ... 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 ... 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 ... 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() ... 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 ... 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 ... 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<- function(x, c1, c2) + c(sum(x[c1],1), mean(x[c2])) + } # 把 ... http://blog.fens.me |