Matthew Sigal mattsigal

mattsigal / stratifiedNorm.R

Last active August 29, 2015 14:11

Create Stratified Norm Sample from Strata and Count Vector

	#' Function to draw observations from stratified norm sample
	#'
	#' This function creates a stratified random sample, given an arbitrary number of
	#' factors and levels within those factors.
	#'
	#' @param dat data.frame object
	#' @param strata character; a named vector indicating the strata variables
	#' @param observations numeric; number of cases to sample from each strata
	#' @param return.grid logical; return grid of factor combintions?
	#' @param full.data logical; return the original dataset with a new logical

mattsigal / Transformations

Created October 21, 2013 18:55

Simple example of transforming data/scale/coordinate system in ggplot2.

	library(ggplot2)

	# Sample diamonds dataframe:
	didat <- diamonds[sample(nrow(diamonds), 1000), ]

	# Original data:
	ggplot(didat, aes(x = depth, y = price)) + geom_point()

	# Transform data:
	ggplot(didat, aes(x = log10(depth), y = log10(price))) + geom_point()

mattsigal / index.html

Last active December 25, 2015 21:19

Highcharts

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