How to download and try this example

Usage: pl -gif hitcount.htm

Uses the data file hitcount.dat

See also hitcount2.

Thanks to Jim Arnott for suggesting the proc processdata count feature,
the idea of this example, and for the bit of prodding on the datetime
scale type.

#proc getdata file: hitcount.dat // the following filter strips seconds from the time value, // then builds a ddMmmyyyy date and connects it with the time // value (separated by a dot) pf_fieldnames: datetime nbytes filter: ##set TIME = @@4 ##set TIME = $substring(@@TIME,1,5) @@3@@2@@6.@@TIME @@7 // use proc processdata to sum nbytes for each unique time value #proc processdata action: count fields: datetime nbytes // set field names for the result... fieldnames: datetime nbytes // #proc print // label: After transform: nrecords=@NRECORDS nfields=@NFIELDS // set up plotting area with datetime in X and autorange on the y axis. // do x axis showing day of week and y axis #proc areadef title: Intranet web page hits rectangle: 1 1 6 2.5 xscaletype: datetime ddMmmyyyy.hh:mm xrange: 26Sep1999.00:00 02Oct1999.23:59 yautorange: datafield=nbytes nearest=20000 margin=50000 lowfix=0 xaxis.stubs: inc 1 day xaxis.stubformat: Www xaxis.stubslide: 0.4 xaxis.minorticinc: 6 hours yaxis.stubs: inc 50 1000 //yaxis.label: kBytes Transferred yaxis.labeldistance: 0.6 frame: yes // do a 2nd X axis with month and day #proc xaxis stubs: inc 1 day stubformat: Mmmdd stubslide: 0.4 stubdetails: adjust=0,-0.14 // use proc yaxis again to do grid lines at every 100 kB #proc yaxis grid: color=orange gridskip: min ticincrement: 100 1000 // make bar graph #proc bars locfield: datetime lenfield: nbytes thinbarline: color=green truncate: yes