[R] factor with numeric names

[agent dunham]

Dear all, 

According to the post I was trying:

factorA = c(2,2,3,3,4,4,3,4,2,2)
levels(factor <- c("lv1","lv2","lv3") )

But this returns NULL and doesn't change factor names. 

Actually, my factor is included in a data.frame, so I also tried: 

levels(df$factorA)[levels(df$factorA)=="2"] <- "lv1"  Also
levels(df$factorA)[levels(df$factorA)==2] <- "lv1"
levels(df$factorA)[levels(df$factorA)=="3"] <- "lv2"
levels(df$factorA)[levels(df$factorA)=="4"] <- "lv3"

then I type table(df$factorA) and it doesn't work either. 

Any help would be appreciated. Thanks, 
user at host.com



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