sort array python by column
Sorting a NumPy array by a column orders its rows based
on the ordering of the values in the column.
For example, sorting the array [[8 2 -2] [-4 1 7] [6 3 9]]
by its second column returns [[-4 1 7] [8 2 -2] [6 3 9]].
USE numpy.args
sorted_array = an_array[numpy.argsort(an_array[:, 1])]pandas dataframe sort by column name first 10 values
print df
0 Bytes Client Ip
0 1 1 1000 192.168.10.2
1 0 0 2000 192.168.10.12
2 2 2 500 192.168.10.4
3 3 3 159 192.168.10.56
print df.nlargest(3, 'Client')
0 Bytes Client Ip
1 0 0 2000 192.168.10.12
0 1 1 1000 192.168.10.2
2 2 2 500 192.168.10.4Copyright © 2021 Codeinu
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