Stencilled 2018-09-24 18:00:00
Injustice : God Among Us Year one - Tom Taylor
5⁄5
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September 2018
simstudy update: improved correlated binary outcomes
An updated version of the simstudy package (0.1.10) is now available on CRAN. The impetus for this release was a series of requests about generating correlated binary outcomes. In the last post, I described a beta-binomial data generating process that uses the recently added beta distribution. In addition to that update, ...
Mapping the 2018 East Africa floods from space with smapr
Hundreds of thousands of people in east Africa have been displaced and hundreds have died as a result of torrential rains which ended a drought but saturated soils and engorged rivers, resulting in extreme flooding in 2018.
This post will explore these events using the R package smapr, which provides access ...
Uncertainty in Data Science (Transcript)
Here is a link to the podcast.
Introducing Allen Downey
Hugo: Hi, there, Allen, and welcome to DataFramed.
Allen: Hey, Hugo. Thank you very much.
Hugo: Such a pleasure to have you on the show, and I'm really excited to have you here to talk about uncertainty in data science, ...
Save On an Annual DataCamp Subscription (Less Than 2 Days Left)
DataCamp is now offering a discount on unlimited access to their course curriculum. Access over 170+ course in R, Python, SQL and more taught by experts and thought-leaders in data science such as Mine Cetinkaya-Rundel (R-Studio), Hadley Wickham (R-Studio), Max Kuhn (caret) and more. Check out this link to get the ...
Automating and Scheduling R Scripts in Windows: Tutorial
This tutorial will teach you how to run and schedule R scripts from the command line. Even though parts of this tutorial applies for other operating systems as well, the focus will be on Windows, since it is a bit less straightforward than in other systems. By the end of ...
Data Science With R Course Series – Week 2
Data Science and Machine Learning in business begins with R. Why? R is the premier language that enables rapid exploration, modeling, and communication in a way that no other programming language can match: SPEED! This is why you need to learn R. Time ... [Read more...]
A Subtle Flaw in Some Popular R NSE Interfaces
It is no great secret: I like value oriented interfaces that preserve referential transparency. It is the side of the public debate I take in R programming. "One of the most useful properties of expressions is that called by Quine referential transparency. In essence this means that if we wish ... [Read more...]
Google Trends using gtrends and R shiny
Recently while I was searching for trend data I came across Google Trends. So in the post I am using gtrends, a r package to understand the trends and display it using a R shiny app using the shinymaterial package. The shinymaterial package tends to m... [Read more...]
Visualizing your favourite song?
Recently I was searching for some gifts when I stumbled across Sound Viz and Cumberland Coast .
These were your favorite songs which were visualized and printed. So that’s when I started looking into on how could you visualize them. So I wanted to try the same and that’s ... [Read more...]
Colleges vs Breweries – What tops in your State ?
In this post we see how the no. of breweries stack up against no. of colleges across USA. Here I am using d3js and a grid bar chartwhere each grid represents 5 breweries/colleges.I collected the data for Brewery
from Beer Advocate and for colleges from wikipedia
More Breweries ... [Read more...]
Tuning a data preprocessing pipeline with recipes and modelgrid
In this post I will demonstrate, how the modelgrid package can be used to facilitate experiments with the data preprocessing pipeline of a predictive model.
Data preprocessing - an integral part of a model configuration
Model tuning is not just a matter of tuning the hyperparameters of an algorithm. Since ... [Read more...]
Tol Color Schemes
Introduction
Choosing colors for a graphic is a bit like taking a trip down the rabbit hole,
that is, it can take much longer than expected and be both fun and frustrating at the same time.
Striking a balance between colors that look good to you and your audience is ...
What Are We Plotting, What Are We Animating
This is my first blog post about gganimate — a package I’ve been working on since mid-spring this year. I have many thoughts and lots to say about animation and gganimate, so much in fact that it has seemed too big a task to begin writing about. Further, I felt ...
Why do we use arrow as an assignment operator?
By-Group Summary with SparkR – Follow-up for A Reader Comment
A reader, e.g. Mr. Wayne Zhang, of my previous post (https://statcompute.wordpress.com/2018/09/03/playing-map-and-reduce-in-r-by-group-calculation) made a good comment that “Why not use directly either Spark or H2O to derive such computations without involving detailed map/reduce”. Although Spark is not as flexible as R in the statistical ... [Read more...]
Recreating Michael Betancourt’s Bayesian modeling course from his online materials
Several people wanted to have the slides from Betancourt's lectures at SMLP2018. It is possible to recreate most of the course from his writings:1. Intro to probability:https://betanalpha.github.io/assets/case_studies/probability_theory.html2. Workflow... [Read more...]
More health economics in R
Nathan Green has alerted/invited me to another workshop aimed at increasing the use of R in Health Economics. He and I had some discussion in the past few months and especially around the time we were running our workshop back in July.
The “scoping” workshop at Imperial has also ... [Read more...]
More health economics in R
Nathan Green has alerted/invited me to another workshop aimed at increasing the use of R in Health Economics. He and I had some discussion in the past few months and especially around the time we were running our workshop back in July.
The “scoping” workshop at Imperial has also ... [Read more...]
sjrdata: all SCImago Journal & Country Rank data, ready for R
SCImago Journal & Country Rank provides valuable estimates of academic journals’ prestige. The data is freely available at the project website and is distributed for deeper analysis in forms of .csv and .xlsx files. I downloaded all the files a...
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