import pandas as pd # read in CSV df = pd.read_csv('cleaned/wellness.csv') # print out column uniques print(df["Illness"].unique()) # make dictionary of unique values and their associated values illness = {'No': 0, 'Slightly Off': 0.5, 'Yes': 1} # iterate through new column vectorize df["IllnessNum"] = [illness[item] for item in df["Illness"]] df.to_csv('cleaned/wellness.csv') print(df["Illness"]) print(df["IllnessNum"])