filter a dataframe by a column value code example
Example 1: only keep rows of a dataframe based on a column value
df.loc[df['column_name'] == some_value]
Example 2: filter df by column value
# does year equals to 2002?
# is_2002 is a boolean variable with True or False in it
>is_2002 = gapminder['year']==2002
>print(is_2002.head())
0 False
1 False
2 False
3 False
4 False