copy a column from numpy array code example
Example 1: extract column numpy array python
# Extract/ Slice only the 3rd column from the numpy array
print(a2[:,[2]])
Example 2: numpy how to slice individual columns
X = data[:, [1, 9]]
# Extract/ Slice only the 3rd column from the numpy array
print(a2[:,[2]])
X = data[:, [1, 9]]