June 2007
M T W T F S S
« Apr   Jan »
 123
45678910
11121314151617
18192021222324
252627282930  

“relevel” factors when using them to create dummy variables

?relevel

: The levels of a factor are re-ordered so that the level specified by ‘ref’ is first and the others are moved down. This is useful for ‘contr.treatment’ contrasts which take the first level as the reference.

Eben Moglen in Delhi on June 9

Eben moglen will deliver a lecture in Delhi on June 9.

V.

Working with ggplot, version 2

In my previous post on this issue, I had presented a code that made weighted boxplots and annotated them with boxplot statistics and the mean values. The problem with that code was that it printed these annotations right on the vertical axes of the boxplots. Also, a relatively minor problem was that, when the values [...]