This is an easy question but say I have an MxN matrix. All I want to do is extract specific columns and store them in another numpy array but I get invalid syntax errors. Here is the code:
extractedData = data[[:,1],[:,9]].
It seems like the above line should suffice but I guess not. I looked around but couldn't find anything syntax wise regarding this specific scenario.
I assume you wanted columns
data[:, [1, 9]]
Or with names:
data[:, ['Column Name1','Column Name2']]
You can get the names from
Assuming you want to get columns 1 and 9 with that code snippet, it should be:
extractedData = data[:,[1,9]]