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Python for Data

Load, clean, chart and explain real data with Python, numpy and pandas. Units 1 and 2 use plain Python.

Units

Launch: Unit 1, Data in Plain Python
1

Data in Plain Python

Read CSV files and summarise rows with plain Python lists and dictionaries.

6 lessons Free
2

Cleaning and Shaping

Fix missing values, wrong types and duplicate rows before you count anything.

6 lessons Free
3

Arrays with numpy

Use numpy arrays to do maths on a whole column at once.

6 lessons Account needed
4

Series and DataFrames

Build pandas tables and pick out the rows and columns you need.

6 lessons Account needed
5

Getting Data In

Load CSV and JSON files into pandas and check what arrived.

6 lessons Account needed
6

Filtering and Deriving

Filter pandas rows with conditions and add columns that answer questions.

6 lessons Account needed
7

Grouping and Aggregating

Group pandas rows by category to get counts, totals and averages.

6 lessons Account needed
8

Combining Tables

Join two pandas tables on a shared column and reshape the result.

6 lessons Account needed
9

Time Series

Turn text into pandas dates, then track totals by week or month.

6 lessons Account needed
10

Visualising and Reporting

Pick the right chart and write up what your data shows.

6 lessons Account needed