Numpy¶

How run apply on array

import numpy as np
x = np.array([[5,2,1,3], [2,1,5]])
fun = lambda t: np.argmax(t)
np.array([fun(xi) for xi in x])

Applying function on data-frame

Using df.apply(fun) can apply a function on columns or row:

Cheat Sheet of python core, Numpy, and Panda

Primer

Here and a brief of Useful functions of python core, Numpy and Panda are presented.

Data Structures

Python provides a variety of useful data structures, such as lists, sets, and dictionaries, and a new structure define by programmer which called class.