X = pd.get_dummies(train_data[features]) code example
Example 1: how to get dummies in a dataframe pandas
df = pd.get_dummies(df, columns=['type'])
Example 2: pd.get_dummies
>>> s = pd.Series(list('abca'))
>>> pd.get_dummies(s)
a b c
0 1 0 0
1 0 1 0
2 0 0 1
3 1 0 0