Data Cleaning Exercises

Input table:Inputs are read-only. Every step works on a copy.
Input table visits, rows 1 to 15 of 15
#
1vplbsEast·80· (raw value " 80 ")
2vivo8⇥East (raw value "\tEast")108
3v08ubemptymissing
4vtj0dSouth0
5v59m5·North (raw value " North")·66· (raw value " 66 ")
6vo7m1missingempty
7v67u0empty0
8vpbs2West·28· (raw value " 28 ")
9vep98West0
10vfx87·North (raw value " North")·66· (raw value " 66 ")
11vgnmc·North (raw value " North")missing
12vmoeoempty83
13vglcgSouth· (raw value "South ")104
14vmus1· (raw value " ")missing
15vwgco⇥East (raw value "\tEast")empty

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15 input rows → 15 clean

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