Displaying 2 results from an estimated 2 matches for "cvd_basestudy".
2011 Apr 28
1
Extract complete rows by group and maximum
Hi
I'm trying to extract complete rows from a dataframe by group based on
the maximum in a column within that group.
Thus I have a dataframe:
cvd_basestudy ... es_time ...
_____________
study1 ... 0.3091667
study2 ... 0.3091667
study2 ... 0.2625000
study3 ... 0.3033333
study3 ... 0.2625000
__________
etc
I can extract the basestudy and the max(es_time) using ddply
ddply(datares_sinus_variable, .(cvd_basestudy),
func...
2011 Jan 18
2
ggplot2, geom_hline and facet_grid
...which I want to do Bland-Altman style plots for each rhythm type
Using ggplot2, when I use geom_hline with facet_grid I get an extra set of empty panels.
I can't get it to do it with the "Diamonds" data supplied with the package so here is a (much abbreviated) example:
> lvexs
cvd_basestudy ecd_rhythm fixed_time variable_time
1 CBP05J02 AF 30.9000 29.4225
2 CBP05J02 AF 33.1700 32.0350
3 CBP05J02 AF 32.5700 30.2775
4 CBP05J02 AF 32.0550 33.7275
5 CBP05J02 SINUS 30.9175 28.347...