filter rows 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: pandas filter dataframe

In [96]: df
Out[96]:
   A  B  C  D
a  1  4  9  1
b  4  5  0  2
c  5  5  1  0
d  1  3  9  6

In [99]: df[(df.A == 1) & (df.D == 6)]
Out[99]:
   A  B  C  D
d  1  3  9  6

Example 3: pandas filter rows by value in list

df.loc[df['col name'].isin(ls_conditions)]

Example 4: filter rows pandas

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

Example 5: pandas column filter

filter = df['column']!= 0
df = df[filter]

Example 6: how to apply filters in pandas

# filter rows for year 2002 using  the boolean expression
>gapminder_2002 = gapminder[gapminder.year.eq(2002)]
>print(gapminder_2002.shape)
(142, 6)