我在群集上运行 plyr 时遇到错误，而我在下面共享伪代码'm having a tough time debugging it. I'm . 我在 Xgetopt 中运行一个名为 getopt 的函数，它处理错误 . 它基本上对输入矩阵进行网格搜索优化，逐行 . 输入矩阵为11644x2 .
任何人都能告诉我这个错误来自何处或意味着什么？我不能做回溯，因为我无法在本地复制错误 .
> library(plyr)
> library(doMC)
> registerDoMC(32)
>
> Xgetopt = function(input){
+ out = tryCatch(getopt(input), error=function(e) e, finally=NA)
+ if(inherits(out, "error")) {out=NA; print("an error happened but it got handled.")}
+ return(out)
+ }
>
> tocalc = expand.grid(ID = sort(unique(m$model$ID)), price = seq(from=0,to=100,by=2.5))
> tocalc$ID = as.character(tocalc$ID)
> out = dlply(.data=tocalc,c('ID','price'),.fun=Xgetopt,.parallel=TRUE)
[1] "an error happened but it got handled."
[1] "an error happened but it got handled."
[1] "an error happened but it got handled."
snip (only a few errors, mostly successes)
[1] "99 37.5"
Error in names(result) <- names(pieces) :
'names' attribute [11644] must be the same length as the vector [11187]
Calls: dlply -> llply
Execution halted