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Python: Pandas DataFrames
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Python: Pandas DataFrames
50 exercises
·
3 free
01
1. Create DataFrame from dict
Free
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02
2. Print first 5 rows
Free
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03
3. Summary statistics
Free
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04
4. Select a specific column
Locked
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05
5. Filter rows by condition
Locked
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06
6. Add a new column
Locked
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07
7. Group by a column and compute mean
Locked
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08
8. Sort by a specific column
Locked
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09
9. Drop rows with missing values
Locked
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10
10. Merge two DataFrames
Locked
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11
11. Rename a column
Locked
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12
12. Drop a column
Locked
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13
13. Fill missing values
Locked
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14
14. Replace values
Locked
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15
15. Drop duplicates
Locked
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16
16. Map values
Locked
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17
17. Apply function to a column
Locked
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18
18. Concatenate two DataFrames
Locked
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19
19. Melt (unpivot) a DataFrame
Locked
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20
20. Create a pivot table
Locked
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21
21. Set a MultiIndex
Locked
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22
22. Unstack a MultiIndex
Locked
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23
23. Insert a row by loc
Locked
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24
24. Mask and replace values in a column
Locked
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25
25. Value counts of a column
Locked
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26
26. Read from CSV (StringIO)
Locked
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27
27. Write to CSV (StringIO)
Locked
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28
28. Reindex a DataFrame
Locked
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29
29. Set and reset index
Locked
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30
30. Sort by multiple columns
Locked
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31
31. Merge with a left join
Locked
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32
32. Outer join merge
Locked
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33
33. Aggregate multiple columns
Locked
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34
34. Map with a dictionary
Locked
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35
35. Count unique values in a column
Locked
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36
36. Assign a new column with .assign()
Locked
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37
37. Detect and count duplicates
Locked
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38
38. Query usage
Locked
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39
39. Pivot from long to wide
Locked
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40
40. Pivot from wide to long
Locked
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41
41. Slice rows with loc
Locked
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42
42. Slice by position with iloc
Locked
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43
43. Group by multiple columns
Locked
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44
44. Merge on multiple keys
Locked
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45
45. Sort groupby results
Locked
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46
46. Rolling mean
Locked
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47
47. Shift column
Locked
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48
48. Insert column at a specific position
Locked
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49
49. Create DataFrame from list of dicts
Locked
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50
50. Combine multiple aggregations with groupby
Locked
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