Updated R & BLAS Timings
With the recent releases of R 3.2.4 and OpenBLAS 2.17, I decided it was time to re-benchmark R speed. I’ve settled on a particular set of tests, based on my...continue reading.
With the recent releases of R 3.2.4 and OpenBLAS 2.17, I decided it was time to re-benchmark R speed. I’ve settled on a particular set of tests, based on my...continue reading.
It was just over a year ago that Dason Kurkiewicz and I released pacman to CRAN. We have been developing the package on GitHub in the past 14 months and...continue reading.
tryCatch is one of the functions that allows the users to handle errors in a simple way. With it, you can do things like: if(error), then(do this). Take the following...continue reading.
I’ve been introduced to unit testing while working with colleagues on quite a big project for which we use Python. At first I was a bit skeptical about the need...continue reading.
tryCatch is one of the functions that allows the users to handle errors in a simple way. With it, you can do things like: if(error), then(do this). Take the following...continue reading.
I’ve been introduced to unit testing while working with colleagues on quite a big project for which we use Python. At first I was a bit skeptical about the need...continue reading.
I see it more and more frequently: bar plots which are supposed to illustrate the regulation of a gene in terms of “fold change”, which include a “0” on the...continue reading.
Wes McKinney, Software Engineer, Cloudera Hadley Wickham, Chief Scientist, RStudio This past January, we (Hadley and Wes) met and discussed some of the systems challenges facing the Python and R...continue reading.
If you’re a data wrangler or data scientist, ODSC East in Boston from May 20-22 is a wonderful opportunity to get up-to-date on the latest open source tools and trends....continue reading.
The Delaware River experienced some high flow in late February 2016, providing an opportunity for an interesting animated graph of river response.This plot was developed using data from the USGS...continue reading.
from itertools import product from pandas import read_table, DataFrame from sklearn.cross_validation import KFold as kfold from sklearn.svm import SVC as svc from sklearn.metrics import roc_auc_score as auc df = read_table(‘credit_count.txt’,...continue reading.
The validate package is our attempt to make checking data against domain knowledge as easy as possible. Here is an example. library(magrittr) library(validate) iris %>% check_that( Sepal.Width > 0.5 *...continue reading.
Well, it’s been an interesting election season so far, right? Everybody holding up OK? Utah held its caucuses this past Tuesday on March 22 and I thought I would do...continue reading.
My Evil The Following with absoluteBLACK’s direct mount oval ring. The purpose of this post is to show how a sponsorship/marketing manager might track their athletes or brand ambassadors. The...continue reading.
I’m pleased to announce tibble, a new package for manipulating and printing data frames in R. Tibbles are a modern reimagining of the data.frame, keeping what time has proven to...continue reading.
The R Markdown package ships with a raft of output formats including HTML, PDF, MS Word, R package vignettes, as well as Beamer and HTML5 presentations. This isn’t the entire...continue reading.
A new release of the rmarkdown package is now available on CRAN. This release features some long-requested enhancements to the HTML document format, including: The ability to have a floating...continue reading.
As pointed out in the chapter 10 of “The Elements of Statistical Learning”, ANN and SVM (support vector machines) share similar pros and cons, e.g. lack of interpretability and good...continue reading.
Repeated Measurements AnalysisRepeated measurements analysis, and in particular longitudinal data analysis, is one of the two most frequently used types of analysis in my field (Biostatistics) – the other being...continue reading.
Version 2.1.0 has just been submitted to CRAN and should be available over the next day or so. This version primarily resolves the recent errors that people have been encountering...continue reading.