Helper function scripts, cluster quality assessment, and PCA elaboration #46

	name: Code Check
	on:
	push:
	branches:
	- gh-pages
	- main
	- code-check-action
	pull_request: []
	workflow_dispatch:
	jobs:
	code-check:
	runs-on: ubuntu-20.04
	env:
	GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
	defaults:
	run:
	shell: bash
	steps:
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.8'

	- name: Install Python modules
	run: \|
	python3 -m pip install --upgrade pip setuptools wheel pyyaml==5.3.1 requests matplotlib scikit-learn pandas
	- name: Install Code Checker
	run: \|
	python3 -m pip install --upgrade git+https://github.com/esciencecenter-digital-skills/cce.git#egg=cce
	- name: Checkout the lesson
	uses: actions/checkout@v2

	- name: Download prerequisite files
	run: \|
	wget -O gapminder-life-expectancy.csv https://github.com/carpentries-incubator/machine-learning-novice-sklearn/blob/gh-pages/data/gapminder-life-expectancy.csv
	wget -O worldbank-gdp.csv https://github.com/carpentries-incubator/machine-learning-novice-sklearn/blob/gh-pages/data/worldbank-gdp.csv
	wget -O worldbank-gdp-outliers.csv https://github.com/carpentries-incubator/machine-learning-novice-sklearn/blob/gh-pages/data/worldbank-gdp-outliers.csv
	- name: Run code checker
	run: \|
	ls -l
	pwd
	ls -l _episodes/
	FILES="_episodes/*"
	for f in $FILES
	do
	echo "Checking $f"
	cce -f "$f"
	done
	shell: bash {0} # opt out of fail-fast

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