python - convert a column in a dataframe into a list
myvar_list = df["myvar"].tolist()python - convert a column in a dataframe into a list
myvar_list = df["myvar"].tolist()convert a data frame column values to list
import pandas as pd
data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']),
'two': pd.Series([1, 2, 3, 4], index=['a', 'b', 'c', 'd'])}
df = pd.DataFrame(data_dict)
print(f"DataFrame:n{df}n")
print(f"column types:n{df.dtypes}")
col_one_list = df['one'].tolist()
col_one_arr = df['one'].to_numpy()
print(f"ncol_one_list:n{col_one_list}ntype:{type(col_one_list)}")
print(f"ncol_one_arr:n{col_one_arr}ntype:{type(col_one_arr)}")Copyright © 2021 Codeinu
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