Problem in Creating DataFrame in 2D array

[dharik-arsath]

I have a 2D array with input and output and If I use vaex.from_arrays((x=x,y=y)) it gives me only 2 columns with x being array itself in vaex dataframe

eg:
from sklearn.datasets import make_classification
x,y = make_classification(10)
x.shape -> 10 rows and 20 columns
vaex.from_arrays(x=x,y=y)

output_expected as columns being 0 1 2 3 ..... upto 19

but the output I got:
only x and y with x being array in dataframe

[JovanVeljanoski]

Vaex is a column oriented dataframe. You gave it two columns, so it has two columns.

Adding matrices is currently not officially supported. That might change in the future, but i don't expect it to be soon.

For now what you can do is simply:

df = vaex.from_arrays(**{f'col{i}': x[:, i] for i in range(x.shape[1])}, y=y)