Thomas Lumley

Coercion of logical to double

1

In the MonetDBLite backend to dbplyr, both automatic and explicit coercion of logical to double fails. For example, with ``` library(tidyverse) library(MonetDBLite) ms% summarise(mean(is_setosa)) %>% collect() iris %>% mutate(is_setosa=as.numeric(Species=="setosa")) %>%...

computer becomes unresponsive with MonetDBLite working hard

4

On my laptop (MacBook Air, four years old) when I execute a query in MonetDBLite (from R.app) that creates a table much larger than memory, the computer becomes unresponsive while...

If the error to be diffused over nearby hexes puts any of the triangles below zero, the negative part is passed on to the subsequent hex in rendering order. At...