apply function
Returns a vector or array or list of values obtained by applying a function to margins of an array or matrix. ,X. an array, including a matrix. MARGIN. a vector giving the subscripts which the function will be applied over. E.g., for a matrix 1 indicates rows, 2 indicates ...
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 apply function 相關參考資料
A brief introduction to “apply” in R | What You're Doing Is Rather ...
So, what are these wondrous apply functions and how do they work? I think the best way to figure out anything in R is to learn by ... https://nsaunders.wordpress.co apply function | R Documentation
Returns a vector or array or list of values obtained by applying a function to margins of an array or matrix. https://www.rdocumentation.org Apply Functions Over Array Margins - R
X. an array, including a matrix. MARGIN. a vector giving the subscripts which the function will be applied over. E.g., for a matrix 1 indicates rows, 2 indicates ... https://stat.ethz.ch apply(), lapply(), sapply(), tapply() Function in R with Examples - Guru99
This tutorial aims at introducing the apply() function collection. The apply() function is the most basic of all collection. We will also learn sapply(), ... https://www.guru99.com Function.prototype.apply() - MDN - Mozilla
apply() 方法會呼叫一個以 this 的代表值和一個陣列形式的值組(或是一個 array-like object )為參數的函式。 https://developer.mozilla.org JavaScript Function Apply() - W3Schools
Method Reuse. With the apply() method, you can write a method that can be used on different objects. The JavaScript apply() Method. The apply() method is ... https://www.w3schools.com pandas.DataFrame.apply — pandas 0.23.4 documentation
Apply a function along an axis of the DataFrame. Objects passed to the function are Series objects whose index is either the DataFrame's index ( axis=0 ) or the ... https://pandas.pydata.org pandas.DataFrame.apply — pandas 0.24.2 documentation
Apply a function along an axis of the DataFrame. Objects passed to the function are Series objects whose index is either the DataFrame's index ( axis=0 ) or the ... https://pandas.pydata.org R tutorial on the Apply family of functions (article) - DataCamp
In this tutorial, you'll learn about the use of the apply functions in R, its variants, and a few of its relatives applied to different data structures. https://www.datacamp.com 掌握R语言中的apply函数族| 粉丝日志
apply的家族函数; apply函数; lapply函数; sapply函数; vapply函数 ... myFUN<- function(x, c1, c2) + c(sum(x[c1],1), mean(x[c2])) + } # 把数据框按 ... http://blog.fens.me |