.RData
	.Rhistory
	PA1_template.html
	PA1_template.md
	activity.csv
	figure/
	new file:   .RData
	new file:   .Rhistory
	new file:   PA1_template.html
	new file:   PA1_template.md
	new file:   activity.csv
	new file:   figure/unnamed-chunk-12.png
	new file:   figure/unnamed-chunk-13.png
	new file:   figure/unnamed-chunk-2.png
	new file:   figure/unnamed-chunk-4.png
	new file:   figure/unnamed-chunk-5.png
	new file:   figure/unnamed-chunk-8.png