# 5124 search results for "git"

## Mapping the March 2014 California Earthquake with ggmap

April 1, 2014
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I had no intention to blog this, but @jayjacobs convinced me otherwise. I was curious about the recent (end of March, 2014) California earthquake “storm” and did a quick plot for “fun” and personal use using ggmap/ggplot. I used data from the Southern California Earthquake Center (that I cleaned up a bit and that you

## You don’t need to understand pointers to program using R

April 1, 2014
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R is a statistical analysis package based on writing short scripts or programs (versus being based on GUIs like spreadsheets or directed workflow editors). I say “writing short scripts” because R’s programming language (itself called S) is a bit of an oddity that you really wouldn’t be using except it gives you access to superior Related posts:

## Include uncertainty in a financial model

April 1, 2014
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Here’s a post that appears on my new website, ragscripts.com. On-line resources for analysts are often either too general to be of practical use or too specialised to be accessible. The aim of ragscripts.com is to remedy this by providing start to finish directions for complex analytical tasks. The site is under construction at the … Continue reading...

April 1, 2014
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My little series of posts about the new googleVis charts continues with calendar charts. Google's calendar charts are still in beta, but they provide already a nice heat map visualisation of calendar year data. The current development version of google...

## analyze the european social survey (ess) with r

March 31, 2014
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with more than a decade of microdata aimed at gauging the political mood across european nations, the european social survey (ess) allows scientists like you to examine socio-demographic shifts among broad groups all the way down to pirate party (pirat...

## Capturing Intraday data, Backup plan

March 31, 2014
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In the Capturing Intraday data post, I outlined steps to setup your own process to capture Intraday data. But what do you do if you missed some data points due for example internet being down or due to power outage your server was re-started. To fill up the gaps in the Intraday data, you could

## Predictive analysis in ecommerce

March 31, 2014
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Welcome to the blog post! We all know the predictive analysis is very hot topic now days. Everyone is looking for how the power of predictive analysis can be used in their business and get their business questions solved.  Recently, I was doing study on the predictive analysis in ecommerce. I found many interesting things The post Predictive...

## Moustache target distribution and Wes Anderson

March 31, 2014
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$Moustache target distribution and Wes Anderson$

Today I am going to introduce the moustache target distribution (moustarget distribution for brievety). Load some packages first. Let’s invoke the moustarget distribution. This defines a target distribution represented by a SVG file using RShapeTarget. The target probability density function is defined on and is proportional to on the segments described in the SVG files,

## Probabilistic Momentum with Intraday data

March 30, 2014
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I want to follow up the Intraday data post with testing the Probabilistic Momentum strategy on Intraday data. I will use Intraday data for SPY and GLD from the Bonnot Gang to test the strategy. Next, let’s examine the hourly perfromance of the strategy. There are lots of abnormal returns in the 9:30-10:00am box due