Estimating the Growth Rate and Doubling Time for Short-Term Prediction and Monitoring Trend During the COVID-19 Pandemic with a SAS Macro

Stanley Xu; Christina Clarke; Susan Shetterly; Komal Narwaney

is the (which was not peer-reviewed) The copyright holder for this preprint /*Add the current doubling time and growth rate to an overall dataset to print charts*/ proc append base = r_doubling_time new = r_doubling_time0 force; run; quit; %end; /*Print the resulting data*/ %do start_day = &fup_start %to (&fup_end-&int_length+1); %let stdyfmt = %sysfunc(putn(&start_day,date9.)); TITLE "Observed and predicted events and 95% CI for the interval beginning on &stdyfmt"; proc print data=preddeath_start_&stdyfmt noobs; var &dateofevent &numevents pred lower95 upper95;