R is an open-source programming language and environment with powerful and extensive features for data analysis, data visualization, and statistical computing. Although R first appeared in the 1990s, ...

When conducting surveys, two kinds of nonresponse may cause incomplete data files: unit nonresponse (complete nonresponse) and item nonresponse (partial nonresponse). The selectivity of the unit ...

Non-probability samples provide a challenging source of information for official statistics, because the data generating mechanism is unknown. Making inference from such samples therefore requires a ...

Scientists have used probability simulations to come to an estimate on the number of alien civilizations that might exist in our Milky Way galaxy, and the number they've arrived at is pretty specific: ...

Co-workers do some armchair theorizing on statistics. By John Hodgman Joseph writes: A co-worker told me that there is a 50-50 chance we are living in a computer simulation. I agree, because ...