Data Cleaning Exercises

Input table:Inputs are read-only. Every step works on a copy.
Input table members, rows 1 to 17 of 17
#
100841798506· (raw value "98506 ")true
2000002·02139· (raw value " 02139 ")maybe
3002939missing0
4015246·51389 (raw value " 51389")y
5077927·08222 (raw value " 08222")N
609280330041true
7085051⇥12134· (raw value "\t12134 ")N
800000100501yes
9004197·52402 (raw value " 52402")true
10016386⇥46532· (raw value "\t46532 ")no
11016648·20460 (raw value " 20460")yes
12078978missingno
1306284482606· (raw value "82606 ")y
14040367⇥71788· (raw value "\t71788 ")No· (raw value "No ")
1505427278568· (raw value "78568 ")YES
16022910⇥11785 (raw value "\t11785")YES
1707697160216· (raw value "60216 ")missing

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17 input rows → 17 clean + 0 exceptions

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A worked solution becomes available after your first check or once you've used every hint.

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