If-else conditional assignment in pandas
You can use numpy.where():
import numpy as nporiginal["new"] = np.where(original["col"].isin(["b", "x"]), 1, 99)print(original)# col new#0 a 99#1 b 1#2 c 99
You can use numpy.where():
import numpy as nporiginal["new"] = np.where(original["col"].isin(["b", "x"]), 1, 99)print(original)# col new#0 a 99#1 b 1#2 c 99