Skip to content

Instantly share code, notes, and snippets.

tt <- tryCatch(hostmp <- read.config(file = "hosp.yaml"),
error=function(e) e,
warning=function(w) w)
ifelse(is(tt,"warning"),"Hospital Configuration Warning/Error.
Please ensure configuration file has terminating empty line.",
"Hospital Configuration OK")
hosplu <- data.frame(matrix("", ncol = 4, nrow = 0))
hosplu <- do.call(rbind, lapply(hostmp, data.frame, stringsAsFactors = F))
hosplu <- as.data.frame(apply(hosplu, 2, trim), stringsAsFactors = F)
@t-student
t-student / demographics.R
Last active February 5, 2018 22:27
Demographics via dplyr - group_by
# See majutils
mean_sd <- function (x, dp = 2)
{
my.stat <- paste0(round(mean(x, na.rm = T), dp), " (", round(sd(x,
na.rm = T), dp), ")")
return(my.stat)
}
prop <- function (x, level, dp = 1, percent = T)
{
@t-student
t-student / tidyr-spreading.R
Last active February 5, 2018 22:26
tidyr spread when you want to spread multiple summary values
> head(df.tmp)
# A tibble: 6 x 9
patientid practiceid mmt.date mmt.val int pre preend post stage
<dbl> <dbl> <date> <dbl> <date> <date> <date> <date> <chr>
1 21342 3.00 2015-12-09 83.0 2017-03-07 2015-12-07 2016-12-07 2017-09-07 PRE
2 19273 3.00 2015-12-11 120 2017-03-07 2015-12-07 2016-12-07 2017-09-07 PRE
3 19273 3.00 2015-12-11 50.0 2017-03-07 2015-12-07 2016-12-07 2017-09-07 PRE
4 19273 3.00 2015-12-11 0 2017-03-07 2015-12-07 2016-12-07 2017-09-07 PRE
5 19273 3.00 2015-12-17 72.0 2017-03-07 2015-12-07 2016-12-07 2017-09-07 PRE
6 19273 3.00 2015-12-17 135 2017-03-07 2015-12-07 2016-12-07 2017-09-07 PRE
---
title: "A test"
author: "t-student"
date: "January 5, 2018"
output: html_document
---
I'll be exploring the differences between these three models:
```{r, eval = FALSE}
# > head(df1, 2)
# id cartvol0 cartvol1 incr.cart interval diff
# 1 1 1.987862 2.023709 Yes 3 0.03584695
# 2 2 1.694808 1.584858 No 2 -0.10995007
df1$diff <- df1$cartvol1 - df1$cartvol0
v <- as.numeric(quantile(df1$cartvol0, c(0.3333, 0.6667)))
df1$interval <- as.factor(findInterval(df1$cartvol0, v)+1)
ddply(df1, .(interval), summarise, diff.mean = mean(diff, na.rm = T), n = length(diff))
p <- ggplot(data = df2, aes(x = factor(time), y = cartvol ))
p <- p + geom_boxplot()
p <- p + geom_jitter(size=1, position=position_jitter(width=0.03, height=0), colour = "blue")
#p <- p + geom_smooth(method = "lm", se = T)
p <- p + xlab("Time" )
p <- p + ylab("Cartilage volume")
p <- p + theme_bw()
p <- p + theme(legend.position="bottom")
print(p)
# > head(df2)
# id variable cartvol time timeb
# 1 1 cartvol0 1.987862 0 0
# 2 2 cartvol0 1.694808 0 0
# 3 3 cartvol0 2.342389 0 0
# 4 4 cartvol0 1.727150 0 0
# 5 5 cartvol0 1.546601 0 0
# 6 6 cartvol0 1.425992 0 0
grid <- with(df2, seq(min(cartvol), max(cartvol), length = 100))
knee.mean <- mean(df2$kneeheel, na.rm = T)
knee.sd <- sd(df2$kneeheel, na.rm = T)
p <- ggplot(data = df2, aes(x=kneeheel))
p <- p + geom_density(aes(y=..density..))
p <- p + stat_function(fun = dnorm, args = list(mean = knee.mean, sd = knee.sd), colour = "red")
print(p)
* Sort the table columns alphabetically ;
proc contents data=Newcoach1t1 out=col_names noprint; run;
proc contents data=Newcoach1t1 out=col_names(keep=name ) noprint; run;
proc sort data=col_names; by name; run;
data _null_;
set col_names;
by name;
retain sorted_cols;
length sorted_cols $2500.;
rm(list = ls())
library(contrast)
taps <- c(242, 245, 244, 248, 247, 248,
242, 244, 246, 242, 248, 246, 245, 247,
248, 250, 247, 246, 243, 244, 246, 248,
250, 252, 248, 250, 246, 248, 245, 250)
group <- c(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2)
df1 <- data.frame(taps, group)