Drawing Histograms in Stata: A Step-by-Step Guide, Slides of Econometrics and Mathematical Economics

Download Drawing Histograms in Stata: A Step-by-Step Guide and more Slides Econometrics and Mathematical Economics in PDF only on Docsity! 1 Graphs in Stata Introduction to Histogram Docsity.com 2 Objectives The Objectives of this lecture are: • Drawing Simple Histogram • Drawing Complex Histogram (the use of ‘By’ option) Docsity.com 5 Histogram The Histogram appears. Stata command for this is: graph twoway histogram mpg OR Simply histogram mpg Docsity.com 6 Histogram Try changing the options ‘fraction’, ‘frequency’ and ‘percent’ as well. And see the resulted Histograms. Docsity.com 7 Histogram-Use of BY( ) option You can also use the ‘by( )’ option with the two way graph. Select ‘mpg’ as variable, Select ‘discrete data’ and Select ‘density’ on the y-axis. Docsity.com 10 Histogram-Use of BY( ) option To compare the results more closely, Go to tab named ‘By’ and change the ‘Layout’ to Row and Select ‘2’ as the number of rows and Click OK. Docsity.com 11 Histogram-Use of BY( ) option The following graph appears. Docsity.com 12 Histogram-Use of BY( ) option You can get the same graph by changing the ‘Layout’ to ‘columns’ and Select ‘1’ as the number of columns. Docsity.com