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ODS Statistical Graphics November 10, 2004 Linda Atkinson Overview ODS for Statistical Graphics enables you to create statistical graphics as automatically as tables are currently created

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slide1

ODS Statistical Graphics

November 10, 2004

Linda Atkinson

overview
Overview
  • ODS for Statistical Graphics
  • enables you to create statistical graphics as automatically as tables are currently created
  • provides commonly used displays, including scatter plots, histograms, box-and-whisker plots, and contour plots, in ODS output
  • is experimental in SAS 9.1
procedures
Procedures
  • Procedures supporting ODS Graphics in SAS 9.1:
  • Base SAS▪ TIMESERIES
  • CORR ▪ UCM
  • SAS/ETS▪ VARMAX
  • ARIMA ▪ X12
  • AUTOREG SAS High-Performance Forecasting
  • ENTROPY ▪ HPF
  • EXPAND
  • MODEL
  • SYSLIN
procedures cont
Procedures (cont.)
  • SAS/STAT
  • ANOVA ▪ LOGISTIC
  • CORRESP ▪ MI
  • GAM ▪ MIXED
  • GENMOD ▪ PHREG
  • GLM ▪ PRINCOMP
  • KDE ▪ PRINQUAL
  • LIFETEST ▪ REG
  • LOESS ▪ ROBUSTREG
a simple example
A Simple Example

ods html;

ods graphics on;

procreg data=sashelp.class;

model weight=height;

run;

quit;

ods graphics off;

ods html close;

specifying a destination
Specifying a Destination

ods pdf file='d:\odsdemo\diagnostics.pdf';

ods graphics on;

procreg data=sashelp.class;

model weight=height;

run;

quit;

ods graphics off;

ods pdf close;

changing style
Changing style

ods pdf file='d:\odsdemo\diagnostics.pdf'

style=analysis;

ods graphics on;

procreg data=sashelp.class;

model weight=height;

run;

quit;

ods graphics off;

ods pdf close;

recommended styles
Recommended styles
  • Four SAS-supplied styles are recommended for use with ODS Graphics:
  • Analysis
  • Default
  • Journal
  • Statistical
slide11

Default Style

Journal Style

Analysis Style

Statistical Style

selecting graphs
Selecting graphs

ods html style=default;

ods graphics on;

ods trace on; /* Lists the output objects created by ODS. */

proc reg data=sashelp.class plots(unpack);

/* UNPACK option displays plots individually instead of

in a panel. */

model weight=height;

run;

quit;

ods graphics off;

ods html close;

ods trace off;

trace output
Trace output

Output Added:

-------------

Name: ResidualHistogram

Label: Residual Histogram

Template: Stat.REG.Graphics.ResidualHistogram

Path: Reg.MODEL1.ObswiseStats.Weight.DiagnosticPlots.ResidualHistogram

-------------

Output Added:

-------------

Name: ResidualByPredicted

Label: Residual By Predicted

Template: Stat.REG.Graphics.ResidualByPredicted

Path: Reg.MODEL1.ObswiseStats.Weight.DiagnosticPlots.ResidualByPredicted

-------------

selecting graphs cont
Selecting graphs (cont.)

ods html style=default;

ods graphics on;

ods select residualhistogram;

procreg data=sashelp.class plots(unpack);

model weight=height;

run;

quit;

ods graphics off;

ods html close;

graph specification example
Graph specification example

ods html;

ods graphics on;

proclifetest data=BMT;

time T * Status(0);

survival plots=(survival, hwb);

strata Group;

run;

ods graphics off;

ods html close;

changing image file type
Changing image file type

ods html;

ods graphics on / imagefmt=jpeg;

proclifetest data=BMT;

time T * Status(0);

survival plots=(survival, hwb);

strata Group;

run;

ods graphics off;

ods html close;

creating graphs with tool tips
Creating graphs with tool tips

ods html file='d:\odsdemo\boxplots.html' gpath='d:\odsdemo';

/* gpath option specifies where to store graphics image files */

ods graphics on / imagefmt=staticmap;

/* staticmap option generates image map of coordinates

for tool tips */

procmixed data=pr method=ml boxplot(npanel=15);

class Person Gender;

model y = Gender Age Gender*Age;

random intercept Age / type=un subject=Person;

run;

ods graphics off;

ods html close;

customizing graphs
Customizing Graphs

ods html;

ods graphics on;

procrobustreg data=growth plot=resqqplot;

model GDP = LFG GAP EQP NEQ;

run;

ods graphics off;

ods html close;

reverting to default templates
Reverting to Default Templates

Customized templates are stored in Sasuser.Templat or in user-defined template stores. The default templates provided by SAS are saved in the read-only template store Sashelp.Tmplmst. Consequently, if you have modified any of the default templates and you want to create ODS Graphics with the original default templates, one way to do so is by changing your ODS path as follows.

ods path sashelp.tmplmst(read)

sasuser.templat(update);

modifying styles
Modifying Styles

proctemplate;

define style styles.DemoStyle;

parent=styles.Default;

replace StatGraphFitLine / linestyle=2;

end;

run;

ods html style=DemoStyle;

ods graphics on;

procrobustreg data=growth plot=resqqplot;

model GDP = LFG GAP EQP NEQ;

run;

ods graphics off;

ods html close;

references
References

“An Introduction to ODS for Statistical Graphics in SAS 9.1”, Robert N. Rodriguez, SUGI 29 Conference Proceedings, SAS Institute Inc., 2004.

http://www2.sas.com/proceedings/sugi29/204-29.pdf

“Statistical Graphics Using ODS (Experimental), SAS/STAT User’s Guide, SAS 9.1 online documentation;

“TEMPLATE Procedure: Creating ODS Statistical Graphics Output (Experimental)”; and

“ODS Statistical Graphics (Experimental) and ODS Styles: Usage and Reference”, all at

http://support.sas.com/rnd/base/topics/statgraph/

additional papers
Additional Papers

“Thumbs Up for ODS Graphics, But Don’t Throw Out All Your SAS/GRAPH Programs!”, Rick M Mitchell, SUGI 29 Conference Proceedings, SAS Institute Inc., 2004.

http://www2.sas.com/proceedings/sugi29/083-29.pdf

“Let the Data Speak: New Regression Diagnostics Based on Cumulative Residuals”, Gordon Johnston and Ying So, SUGI 28 Conference Proceedings, SAS Institute Inc., 2003.

http://www2.sas.com/proceedings/sugi28/255-28.pdf