WebNov 3, 2012 · zoo包中的rollapply接受任意函数。它与filter的不同之处在于,它在默认情况下排除了NA。. 话虽如此,但为一个如此简单的函数加载一个包并没有多大意义(双关语)。 这里有一个右对齐的: WebMay 1, 2024 · Simple generalized alternative to rollapply in package zoo with the advantage that it works on any type of data structure (vector, list, matrix, etc) instead of requiring a …
rollApply: Applies a function over a rolling window on any data …
WebMar 7, 2024 · Details. froll* functions accepts vectors, lists, data.frames or data.tables. They always return a list except when the input is a vector and length(n)==1 in which case a vector is returned, for convenience. Thus rolling functions can be used conveniently within data.table syntax. Argument n allows multiple values to apply rolling functions on multiple … WebSee rollmean, rollmax and rollmedian for more details. Currently, there are methods for "zoo" and "ts" series and "default" method for ordinary vectors and matrices. rollapplyr is a … jerma kissing chucky cheese
滚动应用 R, R rollapply 忽略不适用, R rollmean 按组, Rollmean dplyr, Rollapply …
Web现在,我想使用rollapply函数以滚动窗口的方式进行同样的练习。我写的是: regress <- dt[ ,rollapply(.SD, width = 3, reg.fun(.SD, depvar="Y" indepvars=c("X1","X2")) ), .SDcols = c("Y", … WebAug 11, 2024 · 我想在多列数据数据上使用rollapply函数,即我希望能够独立使用每个列,例如让我们考虑以下数据: DT = data.table(x=rep(c(a,b,c),each=3), y=c(1,3,6), v=1:9) DTx y v1: a 1 12: a 3 23: a 6 34: b 1 45: b 3 56: ... How to rollapply over a multi column data table. WebDec 21, 2024 · 使用roll apply在R中滚动回归. 我导入的数据包含7个变量: Y 和 X1 ,_ 184026 ,_ 1184027 , X4 ,_ 1184029 , X6 . 我尝试在 zoo 中应用 rollapply 函数,以便 … jerma monster rancher