Python NumPy: Importing data with only one column from a csv into 2D array

Question

I am trying to import this data from a csv file into a 2D array:

This is my code:

Y = np.genfromtxt("output_data.csv", delimiter=",")

I am looking for a structure like this:

[[ 0. ]
 [ 1. ]
 [ 1. ]
 [ 0. ]]

but instead it comes out like this:

[ 0.  1.  1.  0.]

As soon as I add a second column to the data it comes out the correct way. I am looking for a general solution so I don't have to program any special cases for a single column of data.

Thanks :)

KolaB · Accepted Answer · 2017-04-03 17:35:58Z

4

Try

Y = np.loadtxt("output_data.csv", delimiter=",", ndmin=2)

answered Apr 3, 2017 at 17:35

KolaB

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