mean according to another column
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Hi all!! I need your help please!
My data are in 4 columns:
5,11550634065452 5,68000000000000 2,89500000000000e+18 0,000277777777777821
5,11371667045788 5,68027777777778 4,28850000000000e+18 0,000277777777778709
5,11237469650691 5,68055555555556 3,99960000000000e+18 0,000277777777776933
5,11058681295688 5,68083333333333 3,56330000000000e+18 0,000277777777777821
4,22865065482816 5,89750000000000 2,74900000000000e+18 0,216666666666667
4,22683293766465 5,89805555555556 3,82680000000000e+18 0,000555555555555642
4,22531743417035 5,89861111111111 3,05860000000000e+18 0,000555555555555642
4,22380486438042 5,89916666666667 3,72440000000000e+18 0,000555555555555642
4,22229371155370 5,89944444444445 3,42520000000000e+18 0,277777777777821
4,22078125510264 5,90000000000000 2,90090000000000e+18 0,000555555555555642
4,21927232883456 5,90027777777778 2,72760000000000e+18 0,000277777777776933
4,21806586681390 5,90083333333333 3,59180000000000e+18 0,000555555555555642
4,21655652713407 5,90138888888889 4,65340000000000e+18 0,000555555555555642
I'd like to find mean values from columns 1:3, but not from all lines. The 4th column has some lines where the number is >0.01, like the lines 5 & 9. So, I want to find the mean from lines 1-4, 5-8, and 9 until the number from 4th column is >0.01 and so on, until line 4878. (the step is not stable).
What can i do?
Thank you!
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