To create a barchart we can extract a column from a data frame of the General Social Survey.
First download the data and codebook from 138 more words
A large avalanche on one of the most classical routes to the summit of Mont Blanc early yesterday morning alas caught several groups climbing towards Mont Blanc and most sadly killed nine of them, including the BMC former secretary Roger Payne. 153 more words
When creating dodged histograms or other bar plots with ggplot, there will be a missing value for one level of the x axis variable. In this case, the width of the bars with missing values for the other variable level will fill up the space usually taken up by that other bar. 49 more words