http://manuals.pqstat.pl/ 2026-05-16T05:40:02+00:00 http://manuals.pqstat.pl/ http://manuals.pqstat.pl/lib/tpl/dokuwiki/images/favicon.ico text/html 2022-02-16T09:45:17+00:00 Anonymous (anonymous@undisclosed.example.com) http://manuals.pqstat.pl/en:statpqpl:survpl:wsteppl:kmpl Kaplan-Meier curves Kaplan-Meier curves allow the evaluation of the survival time without the need to arbitrarily group the observations like in the case of life tables. The estimator was introduced by Kaplan and Meier (1958)\cite{kaplan}. The window with settings for text/html 2022-02-16T09:44:46+00:00 Anonymous (anonymous@undisclosed.example.com) http://manuals.pqstat.pl/en:statpqpl:survpl:wsteppl:tabpl Life tables The window with settings for life tables is accessed via the menu Advanced statistics→Survival analysis→Life tables Life tables are created for time ranges with equal spans, provided by the researcher. The ranges can be defined by giving the step. For each range PQStat calculates: