问题
I'm new with R and I've an issue So my issue is : I've multiples tables ex: 10 , also different list from kmeans results related to this tables (10). So I want use cbind in order to add each cluster to its table :
Ex:
NEW_table1<- cbind(table1,kmeans_table1$cluster)
NEW_table2<- cbind(table2,kmeans_table2$cluster)
...
I've tryd with this code but a get an error
for (i in 1:10)
{ assign(paste0("NEW_table", i)<-cbind(as.name(paste0("filter_table",i)),Class=(i$cluster) ))
}
> Error in i$cluster : $ operator is invalid for atomic vectors
回答1:
Without seeing the data I'll have a guess that this might work:
do.call(cbind, mapply(function(x, y) cbind(x, y), tables, kmeans, simplify=F))
where tables is a list of your tables i.e. list(tables) and kmeans is a list of your kmeans i.e. list(kmeans)
x = 1:10
x2 = list(x, x, x)
y = 10:1
y2 = list(y, y, y)
do.call(cbind, mapply(function(x, y) cbind(x, y), x2, y2, SIMPLIFY = F))
回答2:
I guess what you want might be something like below
list2env(setNames(lapply(paste0("table",1:10), function(v) cbind(get(v),get(paste0("kmeans_",v))$cluster)),
paste0("NEW_table",1:10)),
envir = .GlobalEnv)
回答3:
thank you all, I'v fixed by the following code:
# VAR its a list of distinct values from column in large table
VAR<- unique(table$column)
for(i in VAR){
assign(
paste0("New_table", i),cbind(get(paste0("filter_table",i)),Class=get(i)$cluster)
)
}
来源:https://stackoverflow.com/questions/60321045/cbind-with-loop-in-r