Show count of unique values for each value in the field in dataframe

Question

How to show count of unique values for each value in the field in dataframe?

 I want to see count of distinct values for field in a dataframe.

Answer 1

Hi,

Use below r code.

For one field, you can do this.

dataframe %>% group_by(field) %>% count()

The best way is to use table() . useNA excludea NA from counting values.

table(dataframe,useNA="no")