Analyzing Accupedo step count data in R
Accupedo is a great (and free!) step counting app that I’ve been using for a while now to keep track of how much I walk every day. The app measures...continue reading.
Category: R
Cointegrated ETF Pairs Part II
Update 5/17: As discussed in the comments, the reason the results are so exaggerated is because it is missing portfolio rebalancing to account for the changing hedge ratio. It would...continue reading.
Elements of a successful #openscience #rstats workshop
What makes an open science workshop effective or successful*? Over the last 15 years, I have had the good fortune to participate in workshops as a student and sometimes as...continue reading.
Elements of a successful #openscience #rstats workshop
What makes an open science workshop effective or successful*? Over the last 15 years, I have had the good fortune to participate in workshops as a student and sometimes as...continue reading.
Two meanings of priors, part II: Quantifying uncertainty about model parameters
by Angelika Stefan & Felix Schönbrodt This is the second part of “Two meanings of priors”. The first part explained a first meaning – “priors as subjective probabilities of models”....continue reading.
R For Beginners: Basic Graphics Code to Produce Informative Graphs, Part Two, Working With Big Data
R for beginners: Some basic graphics code to produce informative graphs, part two, working with big data A tutorial by D. M. Wiig In part one of this tutorial I...continue reading.
R for Beginners: Some Simple Code to Produce Informative Graphs, Part One
A Tutorial by D. M. Wiig The R programming language has a multitude of packages that can be used to display various types of graph. For a new user looking...continue reading.
Custom images for Shiny dashboard valueBox icons
The shinydashboard package provides functions like valueBox that conveniently display basic information like summary statistics. In addition to presenting a value and subtitle on a colored background, an icon may...continue reading.
Cointegrated ETF Pairs Part I
The next two blog posts will explore the basics of the statistical arbitrage strategies outlined in Ernest Chan’s book, Algorithmic Trading: Winning Strategies and Their Rationale. In the first post we...continue reading.
Random Forest Classification of Mushrooms
There is a plethora of classification algorithms available to people who have a bit of coding experience and a set of data. A common machine learning method is the random...continue reading.
Delaware River Water Quality Visualization App
The Delaware River Basin Commission (DRBC) just released a new app for visualizing water quality in the Delaware River Basin. The DRBC Special Protection Waters Monitoring Program Explorer is a...continue reading.
Two meanings of priors, part I: The plausibility of models
by Angelika Stefan & Felix Schönbrodt When reading about Bayesian statistics, you regularly come across terms like “objective priors“, “prior odds”, “prior distribution”, and “normal prior”. However, it may not...continue reading.
All my life
Here is a little script to show you your life. In weeks. Each point is a week. Each black point is a week that you have already spent. The number...continue reading.
City of Fort Collins Spending Analysis
Stoltzmaniac is going local in today’s blog post! I dug into the City of Fort Collins open data and published my findings below. The data was surprisingly clean and laid...continue reading.
Spring school on Statistical analysis of hyperspectral and high-dimensional remote-sensing data
We are happy to announce the MSCJ-LIFE spring school on Statistical analysis of hyperspectral and high-dimensional remote-sensing data. The spring school will take place in Jena (Germany) at the GIScience...continue reading.
SIR model with deSolve & ggplot2
This is my first post ever and in 2017! Since I am recent graduate and currently un-employed, my hope is to upload some interesting material on using R on a weekly...continue reading.
Shiny Chart Builder – Explore your database with a point-and-click interface
You can use R’s Shiny to create an interactive dashboard with this application, make your database explorable without knowing SQL or R!continue reading.
Fireworks (in R)
New Year – a new chapter, new verse, or just the same old story ? Ultimately we write it. The choice is ours. ― Alex Morritt The Analytics Lab and...continue reading.
Fireworks (in R)
New Year – a new chapter, new verse, or just the same old story ? Ultimately we write it. The choice is ours. ― Alex Morritt The Analytics Lab and...continue reading.
Pokemon and TrelliscopeJS!
I’m always looking for ways to spark my kid’s interest in computers, data, etc. This has proven to be more difficult than I thought it would be (kids these days…)....continue reading.
