The "indexing" page of the documentation might help you with this:
https://docs.scipy.org/doc/numpy-1.14.0/reference/arrays.indexing.html
On 05/18/2018 09:50 PM, sharan.basa...@gmail.com wrote:
This is regarding numpy array. I am a bit confused how parts of the array are
being accessed in the example below.
1 import scipy as sp
2 data = sp.genfromtxt("web_traffic.tsv", delimiter="\t")
3 print(data[:10])
4 x = data[:,0]
5 y = data[:,1]
Apparently, line 3 prints the first 10 entries in the array
line 4 & 5 is to extract all rows but only 1st and second columns alone for x
and y respectively.
I am confused as to how data[:10] gives the first 10 rows while data[:,0] gives
all rows
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