adding zeroes before decimal place in R

Question

I've used formatC to adding leading zeroes when needed but I'm currently working with census tracts that require I add trailing zeroes with no decimal. I've read through the options but can't see a way formatC places the zeroes to the end without making them decimals places? Any thoughts are much appreciated.

tract<-c(1,11,101,1001,10001,100001)
formatC(tract,width=6,format="d",flag="0")

possible duplicate of [Pad with leading zeros to common width](http://stackoverflow.com/questions/14409084/pad-with-leading-zeros-to-common-width) — , Jul 21 '15 at 01:07
`gsub("\\s","0",formatC(tract,format="f",flag="-",digits=0,width=6))` was the best I could muster when using formatC. — thelatemail, Jul 21 '15 at 01:33

score 2 · Accepted Answer · answered Jul 21 '15 at 00:49

2

You can add trailing zeros with str_pad from the stringr package:

library(stringr)
str_pad(tract, 6, "right", "0")
# [1] "100000" "110000" "101000" "100100" "100010" "100001"

answered Jul 21 '15 at 00:49

josliber

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score 1 · Answer 2 · answered Jul 21 '15 at 00:49

1

With stringi:

library(stringi)
stri_pad_right(tract, 6, "0")

answered Jul 21 '15 at 00:49

zero323

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adding zeroes before decimal place in R

2 Answers2