# devol

How to download and try this example

    Usage: pl -gif devol.htm
    Uses the data file devol.dat

    // set page-wide attributes using proc page
    #proc page
    #if @DEVICE in gif,png
      scale: 0.7 0.5
    #endif
    color: gray(0.7)

    // set up plotting area and axes using proc areadef
    #proc areadef:
    title: Number of inquiries per month
    titledetails: size=18 align=C adjust=0,0.1 color=black
    xscaletype: date mm/yy
    xrange: 12/86 06/89
    yrange: 0 2000

    xaxis.stubs: inc 1 month
    xaxis.stubformat: M
    xaxis.autoyears: 'yy
    xaxis.grid: width=0.5
    xaxis.stubrange: 01/87 05/89
    xaxis.label: Month and year
    xaxis.labeldetails: adjust=0,-0.15

    yaxis.stubs: inc 200
    yaxis.grid: width=0.5

    // read in data set using proc getdata
    #proc getdata:
    file:	devol.dat

    // do stairstep line plot using proc lineplot
    #proc lineplot:
    Yfield:		2
    xfield:		1
    linedetails: width=2 color=purple
    stairstep: yes
    numbers: color=purple
    lastseglen: 30(s)