Data Mining OCR PDFs — Using pdftabextract to liberate tabular data from scanned documents
During the last months I often had to deal with the problem of extracting tabular data from scanned documents. These … Read More →continue reading.
Monthly Archive: February 2017
Deconstructing ‘Measurement error and the replication crisis’
Yesterday, I read ‘Measurement error and the replication crisis’ by Eric Loken and Andrew Gelman, which left me puzzled. The first part of the paper consists of general statements about...continue reading.
Tired of doing real math 2 — grad school and coffee consumption
Lately I notice a sharp increase in my coffee consumption (reading Howard Schultz’s Starbucks book, which is actually quite good by the way, does not help either :grimacing:). Having recently...continue reading.
rstudio::conf 2017 session recordings are now available
Couldn’t make it to Orlando in January? We’re excited to bring you the next best thing. Whether you missed the conference, missed a talk, or just want to refresh your...continue reading.
30 issues of Demographic Digest – the most frequent journals
This week, the 30-th issue of my Demographic Digest was published. Demographic Digest is my project that started in November 2015. Twice a month I select fresh demographic papers and...continue reading.
MODIStsp v.1.3.1 released !
“MODIStsp” is a R package allowing automatic download and preprocessing of MODIS Land Products time series, available at this https://github.com/lbusett/MODIStsp github page (See also here for additional information) v1.3.1 adds...continue reading.
See RStudio + sparklyr for big data at Strata + Hadoop World
If big data is your thing, you use R, and you’re headed to Strata + Hadoop World in San Jose March 13 & 14th, you can experience in person how...continue reading.
Sending serial triggers from PsychoPy to ETG-4000 fNIRS
In the process of designing my latest experiment in PsychoPy I realised that setting up the serial port connection is not the most obvious thing to do. I wrote this...continue reading.
Building a pokemon graph database
What happens when you combine Pokemon with Neo4j? I’m a huge Pokemon fan. So, when I found about this awesome post from Joshua Kunst, I just couldn’t wait to throw...continue reading.
Comparing (Fancy) Survival Curves with Weighted Log-rank Tests
We have just adopted weighted Log-rank tests to the survminer package, thanks to survMisc::comp. What are they and why they are useful? Read this blog post to find out. I...continue reading.
RStudio Connect 1.4.2
We’re excited to announce the latest release of RStudio Connect: version 1.4.2. This release includes a number of notable features including an overhauled interface for parameterized R Markdown reports. Enhanced...continue reading.
Twitter sentiment analysis with Machine Learning in R using doc2vec approach (part 1)
We will use Document-Term Matrix that is the result of Vocabulary-based vectorization for training the model for Twitter sentiment analysisRecently I’ve worked with word2vec and doc2vec algorithms that I found interesting...continue reading.
Twitter sentiment analysis with Machine Learning in R using doc2vec approach (part 1)
We will use Document-Term Matrix that is the result of Vocabulary-based vectorization for training the model for Twitter sentiment analysisRecently I’ve worked with word2vec and doc2vec algorithms that I found interesting...continue reading.
Announcing the release of my e-book: Introduction to Empirical Bayes
I’m excited to announce the release of my new e-book: Introduction to Empirical Bayes: Examples from Baseball Statistics, available here. This book is adapted from a series of ten posts...continue reading.
What Programming Languages Are Used Most on Weekends?
Note: Cross-posted with the Stack Overflow blog. Check out the code for this analysis on Kaggle. For me, the weekends are mostly about spending time with my family, reading for...continue reading.
R Tutorial: Visualizing Multivariate Relationships in Large Datasets
R Tutorial: Visualizing multivariate relationships in Large Datasets A tutorial by D.M. Wiig In two previous blog posts I discussed some techniques for visualizing relationships involving two or three variables...continue reading.
How successful can an R meetup be? meet(R) in Tricity! – RSelenium and Big Data processing
At Thursday (12.01.2017) we had a chance to attend the first TriCity R Users Group (Pomerania, Poland) meeting. The meetup was unexpectedly very successful! The success can be measured in...continue reading.
Male mortality in Russia and Japan
Russia is sadly notorious for its ridiculously high adult male mortality. According to Human Mortality Database data (2010), the probability for a Russian men to survive from 20 to 60...continue reading.
Sex ratios in all countries from Human Mortality Database
Sex ratios reflect the two basic regularities of human demographics: 1) there are always more boys being born; 2) males experience higher mortality throughout their life-course. The sex ratio at...continue reading.
UNHCR Refugee Data Visualized
I was working on to expand the disease transmission model from my first post but with the currents events, I felt compelled to work on something different. The new United States presidential administration formulated an...continue reading.
