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zinojeng
‎12-12-2019
  • 3 Posts
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Account for time-varying covariates in conditional logistic regression...

by Calcite | Level 5 in Statistical Procedures
‎12-05-2019 09:24 AM
‎12-05-2019 09:24 AM
    I meet a problem by doing a nest-case control study. Since both cases and controls are from a cohort and have exposures information in time-dependent manner, just wonder how to account for these time-dependent covariates in the conditional logistic regression analysis.       Is the way in conditional regression similar as COX regression?      PROC PHREG DATA = count; MODEL (start, stop)*censor(0) = sex marital age weight height; STRATA id; RUN; Thank you. Sincerely.  Yelson, Tseng, MD ... View more

Some of tick values have been thinned in SAS SGplot, How can display a...

by Calcite | Level 5 in Graphics Programming
‎07-12-2016 04:35 AM
‎07-12-2016 04:35 AM
plot of the odds ratios and their 95% confidence intervals created using SAS PROC SGPLOT,    but some of the tick values have been thinned. How plot the figure without remove or thinned tick values ?    Thanks a lot!      title "SGPLOT: Forest Plot"; proc sgplot data=excel_b; scatter x=oddsratioest y=effect / xerrorlower=lowercl xerrorupper=uppercl markerattrs=or (symbol=DiamondFilled size=5); refline 1 / axis=x; xaxis label="OR and 95% CI " min=0.9; yaxis label="Covariates"; run;                                                            ... View more
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