pandas insert column in the beginning
insert_index = 0
insert_colname = 'new column'
insert_values = [1, 2, 3, 4, 5] # this can be a numpy array too
df.insert(loc=insert_index, column=insert_colname, value=insert_values)pandas insert column in the beginning
insert_index = 0
insert_colname = 'new column'
insert_values = [1, 2, 3, 4, 5] # this can be a numpy array too
df.insert(loc=insert_index, column=insert_colname, value=insert_values)how to add a column to a pandas df
#using the insert function:
df.insert(location, column_name, list_of_values)
#example
df.insert(0, 'new_column', ['a','b','c'])
#explanation:
#put "new_column" as first column of the dataframe
#and puts 'a','b' and 'c' as values
#using array-like access:
df['new_column_name'] = value
#df stands for dataframehow to add the column to the beginning of dataframe
# Third position would be at index 2, because of zero-indexing.
df.insert(2, 'new-col', data)insert new column to dataframe
group = np.random.randint(10, size=6)
df_new['Group'] = groupCopyright © 2021 Codeinu
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