[Numpy-discussion] How to subset a matrix according to some criterion?

[Juan Nunez-Iglesias]

selector = target != 2
data, target = data[selector], target[selector]

On 4 Dec 2017, 8:38 AM +1100, Peng Yu <pengyu.ut at gmail.com>, wrote:
> Hi, I'd like to select the rows of 'data' for which the corresponding
> elements in 'target' is not 2. Could anybody let know what is the best
> way (with the least code) to do conditional subsetting like this with
> numpy objects? Thanks.
>
> from sklearn import datasets
> data, target = datasets.load_iris()
>
> --
> Regards,
> Peng
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