data Data for use with datavizpyr.com https://datavizpyr.com/density-plots-with-pandas-in-python/ vaccination data effect_of_vaccination_on_us_contagious_diseases.tsv downloaded from Rafael Irizarry's R package dslabs (https://simplystatistics.org/2019/08/28/you-can-replicate-almost-any-plot-with-ggplot2/)