X_train = data[:split,:-1]
X_test = data[split:,:-1]
sir, i am unable to understand the role of -1 here. please explain why x_train is getting 2 columns while X-teast is getting just one.
Splitting data in logistic regression
hey @Roopa1i_ma1hotra,
There is no such particular use here , it just shown for a example .
I am not getting this ,it shouldn’t be as such. Can you please share a link to your code , where you are getting this.
Thank You 
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