dsparks’s gists

dsparks / CoefficientPlot.R

Last active November 29, 2017 22:36

ggplot2 coefficient plot, with discrete interval bounds

	CoefficientPlot <- function(models, alpha = 0.05, modelnames = ""){
	# models must be a list()

	Multiplier <- qnorm(1 - alpha / 2)
	CoefficientTables <- lapply(models, function(x){summary(x)$coef})
	TableRows <- unlist(lapply(CoefficientTables, nrow))

	if(modelnames[1] == ""){
	ModelNameLabels <- rep(paste("Model", 1:length(TableRows)), TableRows)
	} else {

dsparks / Completion Projector.R

Created February 9, 2011 18:34

to project the time at which a loop will be finished

	Projector <- function(st, loopover, iteration){
	Currently <- Sys.time()
	Elapsed <- (Currently - st) * length(loopover)/which(iteration == loopover)
	units(Elapsed) <- "mins"
	return(st + Elapsed * 60)
	}

	StartTime <- Sys.time()
	for(oo in c(1:50)){
	print(oo)

dsparks / GroupRank.R

Created February 9, 2011 18:35

rank within a group, then paste back together in original order

GroupRank <- function(x, group){  unsplit(lapply(split(-x, group), rank), group)  }

dsparks / LineFinder.R

Created February 9, 2011 18:36

locates a string in a vector of strings

lineFinder <- function(string, vector){  (1:length(vector))[regexpr(string, vector) != -1]  }

dsparks / MakeTable.R

Created February 9, 2011 18:37

helper function for parsing text

makeTable <- function(vector, toregex){  do.call(rbind, strsplit(vector, toregex))  }

dsparks / Pad0.R

Created February 9, 2011 18:38

create string variable from numeric variable with padding 0s

	Pad0 <- function(x, mx=NULL, fill=0) {
	## pad numeric vars to strings of specified size
	lx <- nchar(as.character(x))
	mx.calc <- max(lx, na.rm=TRUE)
	if (!is.null(mx)) {
	if (mx<mx.calc) {
	stop("number of maxchar is too small")
	}
	} else {
	mx <- mx.calc

dsparks / Reorderer.R

Created February 9, 2011 18:39

convert string to factor, ordered by another variable

Reorderer <- function(tofactor, inorder){  factor(tofactor, levels = tofactor[order(inorder)])  }

dsparks / SmoothCoefficientPlot.R

Last active June 13, 2025 05:10

ggplot2 regression coefficient plot, intervals smoothed out to transparent

	SmoothCoefficientPlot <- function(models, modelnames = "", removeintercept = FALSE){
	# models must be a list()

	Alphas <- seq(1, 99, 2) / 100

	Multiplier <- qnorm(1 - Alphas / 2)
	zzTransparency <<- 1/(length(Multiplier)/4)
	CoefficientTables <- lapply(models, function(x){summary(x)$coef})
	TableRows <- unlist(lapply(CoefficientTables, nrow))

dsparks / SpaceTrim.R

Created February 9, 2011 18:41

remove leading and trailing spaces from a string

spaceTrim <- function(x){ gsub("(^ +)|( +$)", "", x) }

dsparks / DropTags.R

Created February 9, 2011 18:53

remove content inside html tags from string variables

DropTags <- function(x){ gsub("<[^>]*>", " ", x) }