Results: l13.sas

Robust Regression of Systolic After

The ROBUSTREG Procedure

The Robustreg Procedure

Model Information

Model Information
Data Set WORK.BP
Dependent Variable spa
Number of Independent Variables 1
Number of Observations 15
Method M Estimation

Number of Observations

Number of Observations Read 15
Number of Observations Used 15

Parameter Information

Parameter Information
Parameter Effect
Intercept Intercept
spb spb

Summary Statistics

Summary Statistics
Variable Q1 Median Q3 Mean Standard
Deviation
MAD
spb 160.0 174.0 198.0 176.9 20.5651 20.7564
spa 145.0 157.0 168.0 158.0 20.0036 16.3086

Parameter Estimates

Parameter Estimates
Parameter DF Estimate Standard
Error
95% Confidence Limits Chi-Square Pr > ChiSq
Intercept 1 2.5153 23.0409 -42.6440 47.6746 0.01 0.9131
spb 1 0.8762 0.1294 0.6225 1.1298 45.84 <.0001
Scale 1 8.2458          

Diagnostics Summary

Diagnostics Summary
Observation
Type
Proportion Cutoff
Outlier 0.0000 3.0000

Fit Plot

Robust fit for spa.

Goodness-of-Fit

Goodness-of-Fit
Statistic Value
R-Square 0.6946
AICR 17.5469
BICR 19.3471
Deviance 947.2189