pandas drop column if all values are None code example

Example 1: dropping nan in pandas dataframe

df.dropna(subset=['name', 'born'])

Example 2: Returns a new DataFrame omitting rows with null values

# Returns a new DataFrame omitting rows with null values

df4.na.drop().show()
# +---+------+-----+
# |age|height| name|
# +---+------+-----+
# | 10|    80|Alice|
# +---+------+-----+