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我有超过 60 个特定坐标的 nc 文件,其中仅包含一个变量。我想从 csv 文件中提取变量(tasmax)。一个文件的代码是:
ncdata <- nc_open("data.nc") tasmax<-ncvar_get(ncdata,"tasmax") nc_close(ncdata) tasmax<-as.data.frame(tasmax) write.csv2(tasmax,file="data.csv")
我试图为所有文件创建一个循环,但总是出错..有什么想法吗?
我遵循此代码并工作:
df=NULL files<- list.files('tasmax/ssp370',pattern='*.nc',full.names=TRUE) for(i in seq_along(files)) { nc = nc_open(files[i])code tasmax<-ncvar_get(nc,"tasmax") nc_close(nc) cbind(df,tasmax)->df } df<-as.data.frame(df) write.csv2(df,file="data.csv")