Logistic regression with categorical data in Ruby
I had some fun analysing the shelter animal data from kaggle using the Ruby gems daru for data wrangling and statsample-glm for model fitting. In this blog post, I want...continue reading.
Category: R News
Return of the NEISS Data
Almost six months ago (!) I wrote a blog post about the NEISS data set, a sample of accidents reported to emergency rooms in the U.S. that are related to...continue reading.
BioC 2016 Conference Overview and Few Ways of Downloading TCGA Data
Few weeks ago I have a great pleasure of attending BioC 2016: Where Software and Biology Connect Conference at Stanford, where I have learned a lot! It wouldn’t be possible...continue reading.
Don’t miss Hadley Wickham’s Master R Workshop September 12 and 13 in NYC
New York City is a wonderful place to be most of the time but especially in September! If you live or work in the city or just want a good...continue reading.
Monte Carlo Analysis of Manning’s Equation: A Shiny App
Monte Carlo analysis is a great way to explore the impact of input variable uncertainty on the results of engineering equations, and with vector variables and distribution and sampling functions...continue reading.
Updated OpenBLAS instructions for R-3.3+ and Rtools34
I’ve just updated the instructions for building a 64-bit OpenBLAS-based Rblas.dll for Windows to reflect changes to R 3.3+ and Rtools34. Enjoy! The post Updated OpenBLAS instructions for R-3.3+ and...continue reading.
Spatio-Temporal Point Pattern Analysis in ArcGIS with R
This post would probably be the last in my series about merging R and ArcGIS. In August unfortunately I would have to work for real and I will not have...continue reading.
dplyr basics
This blog post demonstrates the usage of the R package dplyr. It turns out that dplyr is intuitive to the point where I probably won’t ever need to look back...continue reading.
Discover R and RStudio at JSM 2016 Chicago!
The JSM conference in Chicago, July 31 thru August 4, 2016, is one of the largest to be found on statistics, with many terrific talks for R users. We’ve listed...continue reading.
Data Science Boot Camp completed at Ryerson University
I am pleased to update you on the Data Science Boot Camp we ran at the Ted Rogers School of Management at Ryerson University in Toronto in collaboration with IBM’s...continue reading.
Data frame columns as arguments to dplyr functions
Suppose that you would like to create a function which does a series of computations on a data frame. You would like to pass a column as this function’s argument....continue reading.
Data frame columns as arguments to dplyr functions
Suppose that you would like to create a function which does a series of computations on a data frame. You would like to pass a column as this function’s argument....continue reading.
The cdlTools R package
This is a brief tutorial on the cdlTools package developed by Lu Chen and I to download and perform some simple analysis on USDA’s cropland data layer (CDL). This tutorial...continue reading.
Time Series Analysis in ArcGIS
In this post I will introduce another toolbox I created to show the functions that can be added to ArcGIS by using R and the R-Bridge technology.In this toolbox I...continue reading.
MICAD: A new algorithm/R package for anomaly detection
Overview Anomaly detection algorithms are core to many fraud and security applications/business solutions. Identifying cases where specific values are outside norms can be useful in outlier detection (as a predicate...continue reading.
Accurate Part-of-Speech tagging of German texts with NLTK
Part-of-speech tagging or POS tagging of texts is a technique that is often performed in Natural Language Processing. It allows … Read More →continue reading.
Autocorrecting misspelled Words in Python using HunSpell
When you’re dealing with natural language data, especially survey data, misspelled words occur quite often in free-text answers and might … Read More →continue reading.
EGRET plotFlowConc using ggplot2
Marcus Beck (USEPA) Laura DeCicco (USGS-OWI) Introduction EGRET is an R-package for the analysis of long-term changes in water quality and streamflow, and includes the water-quality method Weighted Regressions on...continue reading.
#rstudio #github missing command lines for mac setup @rstudio @github @swcarpentry
Preamble Every few months, I try to do a clean install on my machine. I know that OS X Sierra is due out in September, but I elected to do...continue reading.
The Power of ggplot2 in ArcGIS – The Plotting Toolbox
In this post I present my third experiment with R-Bridge. The plotting toolbox is a plug-in for ArcGIS 10.3.x that allows the creation of beautiful and informative plot, with ggplot2,...continue reading.
