filter rows in pandas 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: filter rows pandas

newdf = df[(df.origin == "JFK") & (df.carrier == "B6")]

Example 3: pandas filter rows by 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
# filter rows for year 2002 using  the boolean variable
>gapminder_2002 = gapminder[is_2002]
>print(gapminder_2002.shape)
(142, 6)

Example 4: 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