Sentence examples for strata version from inspiring English sources

All analyses were performed using Excel 2010 (Microsoft, Redmond, WA) or Strata version 11.2 (StataCorp, College Station, TX).

The expected number of second cancers was estimated by multiplying age-, sex-, race- and calendar-period-specific cancer incidence rates in the nine SEER registries by stratum-specific person-years at risk and then summing across strata (Seer*stat, version 6.4.4).

This period of approximately twenty years involved Darwin in a series of reflections that form successive strata in the final version of his theory of the evolution of species.

For the analysis of particular age strata, the non-stratified version of OR was used.

Analyses were performed using STATA version 9.0 (Strata Corporation, College Station, TX USA) and SPSS for Windows version 15.0 (SPSS Inc., Chicago, IL).

It's not the now defunct Afrikans apartheid but the new version, in which strata of the black population are in conflict.

Preference survey participants were randomly assigned to questionnaire version within treatment strata.

All models were fitted using the cph function of the Design package within R (Version 2.12.2). 32 33 The strata, cluster and frailty functions were used to fit the extended CoxPH models.

Using the svy command in Stata (version 12), primary sampling units and strata for the data set were defined to account for the cluster-randomised design.

A random number sequence for each strata is generated using a random function in SAS version 9.2 and generated a random sequence of A and B's to indicate allocation to intervention or control groups.

A random allocation sequence for each stratum was done using a computer-generated procedure (STATA version 9.2, StataCorp., College Station, TX, USA).