Using cranlogs in R with Plotly
In this post we’ll use the cranlogs package to visualize the number of downloads for Plotly’s R API [crayon-57bb54828452d767357133/] [Read more...]
August 2016
SSA Baby Names Visualization with R and Shiny
CapitalOne contacted me a few months ago and requested that I apply for an internship with them for a data science related position. I never got the job (nor did I really want it; I had already agreed to teach during the summer and I was apprehensive about leaving people ...
The Breathtaking 1-Matrix
La luna sale a caminar siguiendo tus pupilas (Ojos color sol, Calle 13) This is a 5×5 1-matrix: And this is a 20×20 1-matrix visualized: Maybe in some other galaxy, aliens represent matrix in this way.
The thief package for R: Temporal HIErarchical Forecasting
I have a new R package available to do temporal hierarchical forecasting, based on my paper with George Athanasopoulos, Nikolaos Kourentzes and Fotios Petropoulos. (Guess the odd guy out there!)
It is called “thief” - an acronym for Temporal HIErar... [Read more...]
Five Questions about Data Science
From Safari Books Online (https://www.safaribooksonline.com/blog/2016/02/10/data-science-qa/) ---Recently, we were able to ask five questions of Murtaza Haider, about the new book from IBM Press called “Getting Started with Data Science: Making Sense of Data with Analytics.” Below, the author talks about the benefits of data science ...
Exploring Reported Crime Incidents in Hartford, CT
A shiny flexdashboard project -
Open government data portals are essential to transparency and civic education for citizens, and supports the work for data researchers and academics especially in smaller cities such as Hartford, CT. These por... [Read more...]
Android Dictionary
Learning a new language is hard because it requires new cognitive frameworks. While learning a new language, you will come across new terms and words whose meaning you need to learn along with it’s usage. With age and experience, your vocabulary will develop and that will serve as a ... [Read more...]
Gotta catch them all
Introduction
When data becomes high-dimensional, the inherent relational structure between the variables can sometimes become unclear or indistinct. One, might want to find clusters for numerous amounts of reasons - me, I want to use it to better unde... [Read more...]
RcppEigen 0.3.2.9.0
A new upstream release 3.2.9 of Eigen is now reflected in a new RcppEigen release 0.3.2.9.0 which got onto CRAN late yesterday and is now going into Debian. Once again, Yixuan Qiu did the heavy lifting of merging upstream (and two local twists we need to keep around). Another change is by ... [Read more...]
Exploring and Understanding Hyperparameter Tuning
Learners use hyperparameters to achieve better performance on particular
datasets. When we use a machine learning package to choose the best hyperparmeters,
the relationship between changing the hyperparameter and performance might not
be obvious. ml...
The Olympic Medal Table Visualized Gapminder Style
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. The markdown+Rknitr source code of this blog is available under a GNU General Public License (GPL v3) license from .
Abstract
Following Hans Rosling's Gapminder animation style we visualize the total number of medals a country wins during each ...
Manny Parzen Used R!
Prof. Manny Parzen, a pioneer of modern statistics, passed away in February, aged 87. I should have commented back then, but it’s still worth saying something today. I happened to be thinking of him this morning. I did not know Manny personally. This makes it odd that I refer to ... [Read more...]
townsendr interactive map
This week I updated my Townsend Material Deprivation Score project. The update makes townsendr an interactive online map of deprivation that users can simply view in their browser, rather than having to download and run the R code or view only static maps. I think the result is much more ... [Read more...]
Descriptive Statistics Final Project with Python & R
The post Descriptive Statistics Final Project with Python & R appeared first on Networkx. [Read more...]
Set-up NeoVim on Mac for R
The objective of this post is to describe step-by-step how to set up NeoVim on Mac to use it as a powerfull editor for R code.
I need also a gui version of NeoVim for fast editing.
Pre-requise
OSX 10.11
Xcode
Admin access
Homebrew
Time n... [Read more...]
RQuantLib 0.4.3: Lots of new Fixed Income functions
A release of RQuantLib is now on CRAN and in Debian. It contains a lot of new code contributed by Terry Leitch over a number of pull requests. See below for full details but the changes focus on Fixed Income and Fixed Income Derivatives, and cover swap, discount curves, swaptions ... [Read more...]
postCP change point detection with GSOC
IntroductionThe project aimed at improving the postCP package and making it available on CRAN again. The snag that prevented the package from being updated is the recent requirement that in the R code, .C() calls require DUP=TRUE arguments, and .Call() is suggested instead of .C(). The implementation of postCP ...
Visualizing when I’m most productive during the day
Analyzing my (and others') git activity -
Click here to explore the data yourself
Yesterday I saw this retweet from @timelyportfolio that links to a gist by @gka.
The gist gave a few short scripts that can show you when your git commits t...
Visualizing when I’m most productive during the day
Analyzing my (and others') git activity -
Click here to explore the data yourself
Yesterday I saw this retweet from @timelyportfolio that links to a gist by @gka.
The gist gave a few short scripts that can show you when your git commits tak... [Read more...]
Five problems (and one solution) with dual-axis time series plots
If you need to present two time series spanning the same period, but in wildly different scales, it's tempting to use a time series chart with two separate vertical axes, one for each series, like this one from the Reserve Bank of New Zealand: Charts like this typically have one ... [Read more...]
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