forcats 0.1.0
I’m excited to announce forcats, a new package for categorical variables, or factors. Factors have a bad rap in R because they often turn up when you don’t want them....continue reading.
Monthly Archive: August 2016
Bringing SVG to life with d3.js
Scalable Vector Graphics (SVG) are create to display high quality, scalable, graphics on the web. Most graphics software like Adobe … Read More →continue reading.
Shiny tips & tricks for improving your apps and solving common problems
This document contains a collection of various Shiny tricks that I commonly use or that I know many people ask about. Each link contains a complete functional Shiny app that...continue reading.
tibble 1.2.0
We’re proud to announce version 1.2.0 of the tibble package. Tibbles are a modern reimagining of the data frame, keeping what time has shown to be effective, and throwing out...continue reading.
Draw your own dataset
For all those who want to visually test their classification algorithms on toy data, here is a RShiny app I made to easily click & draw your own custom dataset...continue reading.
meanShiftR
In this blog post, I will be introducing the meanShiftR package. meanShiftR is a rewrite of my original mean shift R package from 2013, based on the Fast Library for...continue reading.
meanShiftR
In this blog post, I will be introducing the meanShiftR package. meanShiftR is a rewrite of my original mean shift R package from 2013, based on the Fast Library for...continue reading.
Extending sparklyr to Compute Cost for K-means on YARN Cluster with Spark ML Library
Machine and statistical learning wizards are becoming more eager to perform analysis with Spark ML library if this is only possible. It’s trendy, posh, spicy and gives the feeling of...continue reading.
stringr 1.1.0
I’m pleased to announce version 1.1.0 of stringr. stringr makes string manipulation easier by using consistent function and argument names, and eliminating options that you don’t need 95% of the...continue reading.
Generalized inverse of a symmetric matrix
I have always found the common definition of the generalized inverse of a matrix quite unsatisfactory, because it is usually defined by a mere property, , which does not really...continue reading.
Using Leaflet and htmlwidgets in a Hugo blog post
We are excited to use many of the JavaScript data visualizations in R using the htmlwidgets package in future blog posts. Having decided on using Hugo, one of our first...continue reading.
A Shiny App for estimating Multiplier Exponent Curves from Manning’s Equation Inputs
WASP and other flow and water quality models ask users to input multiplier and exponent values relating velocity and depth to discharge. These relationships take the form of V=aQ^b and...continue reading.
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 Se…continue reading.
Copas Test for Overfitting in SAS
Overfitting is a concern for overly complex models. When a model suffers from the overfitting, it will tend to over-explain the model training data and can’t generalize well in the...continue reading.
Fixed Effects, Random Effects, and First Differencing
I came across a stackoverflow post the other day touching on first differencing and decided to write a quick review of the topic as well as related random effects and...continue reading.
Trading strategy: Making the most of the out of sample data
When testing trading strategies a common approach is to divide the initial data set into in sample data: the part of the data designed to calibrate the model and out of...continue reading.
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...continue reading.
We Are Not Very Evenly Distributed
I saw this tweet making the rounds this past week. Half of all Americans live in the red counties, half live in the orange counties pic.twitter.com/ptBXNbzSFQ— Conrad Hackett (@conradhackett) August...continue reading.
YAML: Define an R function
Learn how to use yaml to define hierarchic models with business logic in R. The post YAML: Define an R function appeared first on ipub.continue reading.
A review of ‘R for Data Science’ book @hadleywickham #rstats #openscience
Data science Data science is a critical component of many domains of research including the domain I primarily function – ecology. However, in teaching biostatistics within the university context, we...continue reading.
