Drawing average line in histogram (matplotlib)
I am drawing a histogram using matplotlib in python, and would like to draw a line representing the average of the dataset, overlaid on the histogram as a dotted line (or maybe some other color would do too). Any ideas on how to draw a line overlaid on the histogram? I am using the plot() command, but not sure how to draw a vertical line (i.e. what value should I give for the y-axis? thanks! You can use plot or vlines to draw a vertical line, but to draw a vertical line from the bottom to the top of the y axis, axvline is the probably the simplest function to use. Here's an example: In [80]: