Rimodellare i dati con pandas
Maria Eugenia Inzaugarat
Data Scientist
Concept of long and wide formats
Use .pivot() method - columns as unique variables, index as individual observations
.pivot()
Create pivot tables
Learn the difference between .pivot() and .pivot_table()
.pivot_table()
From a wide to a long format using:
.melt()
wide_to_long()
Splitting or concatenating string columns
Multi-level index
Use .stack() and .unstack()
.stack()
.unstack()
Handle generated missing data
Combine reshaping and grouping processes
List-like column transformation
Nested data in columns
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