The TTEST Procedure

ODS Graph Names

You can reference every graph produced through ODS Graphics with a name. The names of the graphs that PROC TTEST generates are listed in Table 103.7, along with the required statements and options.

Table 103.7: Graphs Produced by PROC TTEST

ODS Graph Name

Plot Description

Option

AgreementOfPeriods

Plot of period 2 against period 1 response values for an AB/BA crossover design

VAR / CROSSOVER=
PLOTS=AGREEMENT(TYPE=PERIOD)

AgreementOfTreatments

Plot of second treatment against first treatment response values for an AB/BA crossover design

VAR / CROSSOVER=
PLOTS=AGREEMENT

AgreementPlot

Plot of second response against first response for a paired design

PAIRED statement
PLOTS=AGREEMENT

BoxPlot

Box plots, also with confidence band for one-sample or paired design

PLOTS=BOX
PLOTS=SUMMARY(UNPACK)

Histogram

Histograms with overlaid kernel densities, and also normal densities if DIST=NORMAL

PLOTS=HISTOGRAM
PLOTS=SUMMARY(UNPACK)

Interval

Confidence intervals for means

PLOTS=INTERVAL

ProfilesOverPrd

Plot of response profiles over periods 1 and 2 for an AB/BA crossover design

VAR / CROSSOVER=
PLOTS=PROFILES(TYPE=PERIOD)

ProfilesOverTrt

Plot of response profiles over first and second treatments for an AB/BA crossover design

VAR / CROSSOVER=
PLOTS=PROFILES

ProfilesPlot

Plot of response profiles over first and second response values for a paired design

PAIRED statement
PLOTS=PROFILES

QQPlot

Normal quantile-quantile plots

PLOTS=QQ

SummaryPanel

Histograms with overlaid kernel densities (and also normal densities if DIST=NORMAL) and box plots (and also with confidence band for one-sample or paired design)

PLOTS=SUMMARY