Request for comments on planned features for futile.logger 1.5
I will be pushing a new version of futile.logger (version 1.5) to CRAN in January. This version introduces a number …Continue reading →
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December 2018
Six Sigma DMAIC Series in R – Part4
CategoriesBasic Statistics
Tags
Data Visualisation
Linear Regression
R Programming
Hope you liked the Part 1 ,Part 2 and Part 3 of this Series. In this Part 4, we will go through the tools used during the Improve phase of Six Sigma DMAIC cycle. The most representative tool used during the Improve Phase is DOE-Design ...
Nesting Birds and Models in R Dataframes
R Dataframes in the tidyverse are more than just simple tables these days.
They can store complex information in list columns, and this becomes an
immensely powerful framework when we use it to apply methods to different
sets of data in parallel. In th...
Day 15 – little helper sci_palette
This little helper returns a set of colors which we often use at STATWORX.
Der Beitrag Day 15 – little helper sci_palette erschien zuerst auf STATWORX.
Cities boomed and doomed
Population in the United States grew by 3.76% from 313.91 million in 2012 to 325.72 million in 2017. The growth, however, is not uniform geographically. One of the geographical areas of particular interest is the city. Some cities are shrinking in population while some others exploding. The purpose of this post is to find cities ... [Read more...]
RStudio Pandoc – HTML To Markdown
The knitr and rmarkdown packages are used in conjunction with pandoc to convert R code and figures to a variety of formats including PDF, and word. Here, I’m exploring how to convert HTML back to markdown format. This post came about when I was searching how to convert XML ... [Read more...]
Advent of Code: Most Popular Languages
You might have heard of the Advent of Code,
a 25-day challenge involving a programming puzzle a day, to be solved
with the language of your choice. I’ve noted the popularity of this
activity in my Twitter timeline but also in my GitHub timeline where
I’ve seen the ...
Manipulate dates easily with {lubridate}
This blog post is an excerpt of my ebook Modern R with the tidyverse that you can read for
free here. This is taken from Chapter 5, which presents
the {tidyverse} packages and how to use them to compute descriptive statistics and manipulate data.
In the text below, I scrape a ... [Read more...]
Learning R: A gentle introduction to higher-order functions
Have you ever thought about why the definition of a function in R is different from many other programming languages? The part that causes the biggest difficulties (especially for beginners of R) is that you state the name of the function at the beginning and use the assignment operator – as ... [Read more...]
In case you missed it: November 2018 roundup
In case you missed them, here are some articles from November of particular interest to R users. David Gerard assesses the plausibility of a key plot point in 'Jurassic Park' with simulations in R. In-database R is available in Azure SQL Database for private preview. Introducing AzureR, a new suite ... [Read more...]
Day 14 – little helper print_fs
This little helper returns the folder structure of a given path. With this, one can for example add a nice overview to the documentation of a project or within a git.
Der Beitrag Day 14 – little helper print_fs erschien zuerst auf STATWORX.
running plot [and simulated annealing]
Last weekend, I found out a way to run updated plots within a loop in R, when calling plot() within the loop was never updated in real time. The above suggestion of including a Sys.sleep(0.25) worked perfectly on a simulated annealing example for deter...
Building an R package that includes RcppArmadillo code
[This is the second post in a three part series that demonstrates how to create an R package that includes RcppArmadillo source code. Follow these links for part one and part three] Last time I showed how you might speed up getting the coefficients from a linear regression. Comparisons once ...
My book ‘Deep Learning from first principles:Second Edition’ now on Amazon
The second edition of my book ‘Deep Learning from first principles:Second Edition- In vectorized Python, R and Octave’, is now available on Amazon, in both paperback ($14.99) and kindle ($9.99/Rs449/-) versions. Since this book is almost 70% code, all functions, and code snippets have been formatted to use the fixed-width ...
Growing old in Twitter
I started using Twitter more than 10 years ago (!). I open an account in this social network in 2008 and although I was not using it too much for the first year, I become a frequent user after that. It has helped me to get news, information both for my personal and ... [Read more...]
Pdftools 2.0: powerful pdf text extraction tools
A new version of pdftools has been released to CRAN. Go get it while it’s hot:
install.packages("pdftools")
This version has two major improvements: low level text extraction and encoding improvements.
About PDF textboxes
A pdf document may seem to contain paragraphs or tables in a viewer, but ...
Easy CI/CD of GPU applications on Google Cloud including bare-metal using Gitlab and Kubernetes
Summary
Are you a data scientist who only wants to focus on modelling and coding and not on setting up a GPU cluster? Then, this blog might be interesting for you. We developed an automated pipeline using gitlab and Kubernetes that is able to run code ... [Read more...]
Yet another visualization of the Bayesian Beta-Binomial model
The Beta-Binomial model is the “hello world” of Bayesian statistics. That is, it’s the first model you get to run, often before you even know what you are doing. There are many reasons for this:
It only has one parameter, the underlying pr... [Read more...]
Yet another visualization of the Bayesian Beta-Binomial model
The Beta-Binomial model is the “hello world” of Bayesian statistics. That is, it’s the first model you get to run, often before you even know what you are doing. There are many reasons for this:
It only has one parameter, the underlying pr... [Read more...]
Reusable Pipelines in R
Pipelines in R are popular, the most popular one being magrittr as used by dplyr. This note will discuss the advanced re-usable piping systems: rquery/rqdatatable operator trees and wrapr function object pipelines. In each case we have a set of objects designed to extract extra power from the wrapr ... [Read more...]
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