[datatable-help] Split not Working! Not splitting with right proportion

[gmateb]

I would llike to split my dataset into training (70%) and testing (30%) sets,
but R does not split it with the right proportion.

my code:

<http://r.789695.n4.nabble.com/file/t385593/1.png> 
after execution:
<http://r.789695.n4.nabble.com/file/t385593/2.png> 

<http://r.789695.n4.nabble.com/file/t385593/3.png> 



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