donnemartin/data-science-ipython-notebooks

pandas - Working with Strings

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#60 opened on Oct 20, 2018

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 (3 comments) (0 reactions) (0 assignees)Python (8,029 forks)batch import
bughelp wanted

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Description

In the code cell 3: data = ['peter', 'Paul', None, 'MARY', 'gUIDO'] data.map(lambda s: s.capitalize()) was changed to [s.capitalize() for s in data if s!= None ] and now the code woks fine.

Contributor guide

Research direction
Reproduce the error with the original map code and verify the fix works with list comprehension.
Tech stack
python
Domain
data
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
1
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Python
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
80