Module 2

Fitted Values and Residuals

Calculate fitted wages, residuals, squared residuals, and residual plots from the wage regression.

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Notebook lab guide

Related dataset

wage_sample.csv

Estimated time

25 to 40 min

Packages

pandas, numpy, matplotlib

Expected output

A printed summary plus a chart in the output panel.

Learning goals

Common errors

File not found: check that wage_sample.csv is installed or use the course data folder.
Package import error: use the browser notebook first, then download for local Jupyter if your local packages differ.
Column name error: compare your variable names with the dataset variables listed for this notebook.

Dataset path helper

import pandas as pd

df = pd.read_csv("/data/wage_sample.csv")
df.head()

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