Hello,
have a look at the below data

Code:
360002  0
360020  7
360024  7
360037  0
360041  0
360041  0
360049  0
360049 10
360063  0
360063  0
360063  0
360063  2
360063  0
360066  0
360066  6
360066  0
360072  0
360081  6
360095  3
360110  7
360111  0
360111  0
360111  0
360111  0
360116  0
360116  0
360117  0
360119 12
360125  0
360125  0
360129  0
360134  4
360135  7
360140  0
360140  0
360140  0
360142  0
360142  0
360142  0
360142  0
360142  0
360153  0
360155  0
360155  0
360164  0
360165  7
360165  7
360168  0
360187  3
360187  3
360192  0
360196  7
360196  7
360208  4
360208  1
360209  0
360209  0
360215  0
360215  0
360215  0
360231  1
360231  0
360231  0
360258  0
360258  0
360261  0
360261  0
360261  1
360261  0
360261  0
360261  0
360261  0
360269  0
360269  0
360269  5
360285  8
360288 12
360288 12
360288 12
360288  7
360290  0
360290 12
360290  0
360292  0
360293  0
360293  0
360293  0
360297  5
360309  0
360309  0
360315 10
360315  0
360315 10
360320  0
360321  0
360321  0
360322  9
360322  9
360322  0
360330  0
here the first column is showing the cluster number and second column is 'years of schooling'
I want to calculate average years of schooling at each cluster, and make a third variable.
Is there any command in STATA through which i can do this

Thanks and Regard