How to find count of a single column?

Question

I have single column table and i need to find out count of it

status
average
good
bad
need to improve
good
bad 
average

Output should be like this

Good 2
average 2
bad 2
need to improve 1

How to do this?

Do **not** post images! Why have you edited the question? – Rui Barradas Apr 05 '18 at 13:36 — Rui Barradas, Apr 05 '18 at 13:36

score 0 · Answer 1 · answered Apr 05 '18 at 13:36

0

For count of rows by unique values using data.table:

myframe = data.table(myframe)
myFrame[,.N, by = myColumn]

answered Apr 05 '18 at 13:36

SolomonRoberts

1 Answers1