pandas df filter by column value code example

Example 1: filter data in a dataframe python on a if condition of a value python by Testy Toucan on May 22 2020 Donate Comment

# filter rows in a dataframe by a condition on a column

df_filtered = df.loc[df['column'] == value]

Example 2: only keep rows of a dataframe based on a column value

df.loc[(df['column_name'] >= A) & (df['column_name'] <= B)]

Example 3: 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