jfreels’s gists

jfreels / test

Created March 8, 2013 03:51

this is a test

test

jfreels / circleExample

Created March 13, 2013 11:59

Example from http://2011.12devsofxmas.co.uk/2012/01/data-visualisation/ @iblamefish



	var vis = d3.select("#visualisation");
	function update () {
	var circles = vis.selectAll("circle").data(randomData(), function (d) { return d.id; });
	circles.enter()
	.insert("svg:circle")
	.attr("cx", function (d) { return d.value1; })
	.attr("cy", function (d) { return d.value2; })
	.style("fill", "red");

jfreels / htmlTemplate.html

Last active December 14, 2015 21:39

html template

	<!DOCTYPE html>
	<html>
	<head>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	</head>
	<body>
	<h1>This is a test</h1>
	<script>
	d3.select("body").append("p").html("Hello World!");
	</script>

jfreels / jf.table.drought()

Last active December 17, 2015 14:18

Drought table example

	### Drought
	### A drought is a flat period in performance.
	### The max drought is the longest flat period in a track record.
	### The current drought is the current flat period in a track record.

	require(devtools)
	install_github("r_jfreels","jfreels")

	# load data
	require(PerformanceAnalytics)

jfreels / index.html

Created August 1, 2013 15:01

	<!doctype HTML>
	<html>
	<head>
	<link rel='stylesheet' href='http://cdn.strategiqcommerce.com/ajax/libs/rickshaw/1.2.1/rickshaw.min.css'>
	<link rel='stylesheet' href='http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css'>

	<script src='http://d3js.org/d3.v2.min.js' type='text/javascript'></script>
	<script src='http://cdn.strategiqcommerce.com/ajax/libs/rickshaw/1.2.1/rickshaw.min.js' type='text/javascript'></script>
	<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js' type='text/javascript'></script>
	<script src='https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.15/jquery-ui.min.js' type='text/javascript'></script>

jfreels / index.html

Created August 1, 2013 15:02

	<!doctype HTML>
	<html>
	<head>
	<link rel='stylesheet' href='http://cdn.strategiqcommerce.com/ajax/libs/rickshaw/1.2.1/rickshaw.min.css'>
	<link rel='stylesheet' href='http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css'>

	<script src='http://d3js.org/d3.v2.min.js' type='text/javascript'></script>
	<script src='http://cdn.strategiqcommerce.com/ajax/libs/rickshaw/1.2.1/rickshaw.min.js' type='text/javascript'></script>
	<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js' type='text/javascript'></script>
	<script src='https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.15/jquery-ui.min.js' type='text/javascript'></script>

jfreels / ddply_drawdown

Created August 28, 2013 21:23

Drawdown function for use with plyr / data.table

	## Drawdown using plyr / data.table

	vami<-function (ror) { cumprod(na.omit(ror) + 1) }
	dd<-function (ror) { -(1 - vami(ror)/cummax(c(1, cummax(vami(ror))))[-1]) }

	require(PerformanceAnalytics)
	require(plyr)
	require(reshape2)
	require(data.table)

jfreels / knit_expand_edhec_histograms.Rmd

Last active March 27, 2017 10:04

knit_expand() example

	knit_expand() example
	========================================================

	```{r, label='setup', include=FALSE}
	require(data.table)
	require(PerformanceAnalytics)
	require(reshape2)
	opts_chunk$set(eval=TRUE,echo=FALSE)
	data(edhec)
	edhec<-data.table(melt(data.frame(date=index(edhec),coredata(edhec)),id.vars='date'))

jfreels / edhec_long.json

Last active December 24, 2015 02:19

R to JSON: long vs. wide data.frame comparison

jfreels / README.md

Last active December 24, 2015 02:39

d3js: blank template

Justin Freels jfreels