User guide

Figure6.13:Close-upofquarterlydataplot
6.7.2 Controlling Tic Label Locations
ThefirstticlabelontheX-axisofthegraphthatendedthelastsectionislocatedonthe
firstdatapoint,2007Q4.Letussupposethatwewouldpreferthegraphtohavetic
labelsonlyonthefirstquarterofeachyear.Wecanaccomplishthisbyusingthefunc-
tionplotSetXTicInterval.
plotSetXTicInterval hasthefollowingparameters:
interval
thenumberofdatapointsbetweeneachX-ticthat
islabeled.
firstLabeled
thevalueofthefirstdatapointtobelabeled.
SinceweareworkingwithquarterlydataandwouldliketoplaceX-ticlabelsoneach
year,wewillsettheintervalparameterequaltofourandwewillsetthefirst-
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GAUSSUser Guide
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