pyspark dataframe count of where clause value is equals to

Question

following is the sample dataframe

I have one column in with 'id' and i need new dataframe with count number considering where clause where vaule is equal to "number", new dataframe with vaule and count

source df and required newdf with count of df

Any suggestions:

Answer 1

Just group by and count:

newdf = df.groupBy('Id').count()