replace null values

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showing results for - "replace null values"
Paula
07 Aug 2020
1# Replace null values
2
3df4.na.fill(50).show()
4# +---+------+-----+
5# |age|height| name|
6# +---+------+-----+
7# | 10|    80|Alice|
8# |  5|    50|  Bob|
9# | 50|    50|  Tom|
10# | 50|    50| null|
11# +---+------+-----+
12
13df5.na.fill(False).show()
14# +----+-------+-----+
15# | age|   name|  spy|
16# +----+-------+-----+
17# |  10|  Alice|false|
18# |   5|    Bob|false|
19# |null|Mallory| true|
20# +----+-------+-----+
21
22df4.na.fill({'age': 50, 'name': 'unknown'}).show()
23# +---+------+-------+
24# |age|height|   name|
25# +---+------+-------+
26# | 10|    80|  Alice|
27# |  5|  null|    Bob|
28# | 50|  null|    Tom|
29# | 50|  null|unknown|
30# +---+------+-------+