Answers for "how to return list of one column values from datatable python"

5

how to get a dataframe column as a 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)}")
Posted by: Guest on June-09-2020
1

get dataframe column into a list

df_gearME = pd.read_excel('Gear M&Es.xlsx')
df_gearME['ColA'].to_list()
Posted by: Guest on July-21-2020

Code answers related to "how to return list of one column values from datatable python"

Python Answers by Framework

Browse Popular Code Answers by Language