convert a pandas column to int

1# convert Series
2my_series = pd.to_numeric(my_series)
3
4# convert column "a" of a DataFrame
5df["a"] = pd.to_numeric(df["a"])
6

1>>> s = pd.Series(["8", 6, "7.5", 3, "0.9"]) # mixed string and numeric values
2>>> s
30      8
41      6
52    7.5
63      3
74    0.9
8dtype: object
9
10>>> pd.to_numeric(s) # convert everything to float values
110    8.0
121    6.0
132    7.5
143    3.0
154    0.9
16dtype: float64
17

1df = pd.read_csv("weather.tsv", sep="\t",  
2                 dtype={'Day': str,'Wind':int64})
3df.dtypes
4