example 1 --KW
added resizing of x and y axes --KW
changed code to read larger data file (with 1000 rows instead of 100) to demonstrate ability to resize to handle a large quantity of data values (not just values that happen to be large magnitudes) --KW
example 2b: bar graph that automatically resizes to fit very large quantities of values --KW
changed renderer from P2D to default, and it seems to render better --KW