Adobe Analytics Clickstream Data Feed: Loading To Relational Database
By Randy Zwitch In my previous post about the Adobe Analytics Clickstream Data Feed, I showed how it was possible to take a single day worth of data and build a dataframe in R. However, most likely...
View ArticleClik here to view.
Stacking the deck against treemaps
By hrbrmstr So, I (unapologetically) did this to @Highcharts last week: @hrbrmstr Your loss of words inspired this post!! https://t.co/3KO0BP0k0u @hadleywickham @ma_salmon @tdmv @bearloga @rushworth_a...
View ArticleClik here to view.
apply lapply rapply sapply functions in R
By suresh kumar Gorakala As part of Data Science with R, this is third tutorial after basic data types,control structures in r. One of the issues with for loop is its memory consumption and its...
View ArticleClik here to view.
Creating a March Madness bracket with Machine Learning
By David Smith March Madness is upon us here in the US. This annual college basketball competition pits 64 teams in a single-elimination tournament, and the team that goes undefeated for all 6 rounds...
View ArticleClik here to view.
Plotting Choropleths from Shapefiles in R with ggmap – Toronto Neighbourhoods...
By Myles Harrison Introduction So, I’m not really a geographer. But any good analyst worth their salt will eventually have to do some kind of mapping or spatial visualization. Mapping is not really a...
View ArticleClik here to view.
Using ProPublica “statefaces” in ggplot2
By hrbrmstr I’m a huge fan of ProPublica. They have a super-savvy tech team, great reporters, awesome graphics folks and excel at data-driven journalism. Plus, they give away virtually everything,...
View ArticleInteractive Performance Evaluation of Binary Classifiers
By Anup Nair Through this post I would like to describe a package that I recently developed and published on CRAN. The package titled IMP (Interactive Model Performance) enables interactive performance...
View ArticleImprove SVM Tuning through Parallelism
By statcompute 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...
View ArticleClik here to view.
embed images in ggplot2 via subview and annotate a phylogenetic tree with...
By R on Guangchuang Yu I extended the subview function to support embed image file in a ggplot object. set.seed(123) d = data.frame(x=rnorm(10), y=rnorm(10)) imgfile In previous post, I have introduced...
View ArticleClik here to view.
Ensemble Learning in R
By Tal Galili Guest post by Stefan Feuerriegel Previous research in data mining has devised numerous different algorithms for learning tasks. While an individual algorithm might already work decently,...
View ArticleR Markdown v0.9.5
By jjallaire 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...
View ArticleClik here to view.
Stemming and Spell Checking in R
By Jeroen Ooms Last week we introduced the new hunspell R package. This week a new version was released which adds support for additional languages and text analysis features. Additional languages By...
View ArticleClik here to view.
Data table exercises: keys and subsetting
By Han de Vries The data.table package is a popular R package that facilitates fast selections, aggregations and joins on large data sets. It is well-documented through several vignettes, and even has...
View ArticleClik here to view.
R Markdown Custom Formats
By jjallaire You can install the 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...
View ArticleClik here to view.
R Markdown Custom Formats
By jjallaire 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 universe of...
View ArticlePreventing airline maintenance delays with R
By David Smith So you’ve boarded the plane and settled into your seat, ready for your trip to a holiday paradise for a well-earned vacation. But then there’s that dreaded announcement from the cockpit,...
View ArticleClik here to view.
R Markdown v0.9.5
By jjallaire 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...
View ArticleClik here to view.
European R users meeting / meeting of R heroes / Poznań 12-14.10.2016
By smarterpoland European R users meeting (eRum 2016) will take place between October 12th and 14th. We already have confirmed great invited speakers such as: Rasmus Bååth, Romain François, Ulrike...
View ArticleClik here to view.
Understanding Statistical Models Through the Datasets They Seek to Explain:...
By Joel Cadwell R may be the lingua franca, yet many of the packages within the R library seem to be written in different languages. We can follow the R code because we know how to program but still...
View ArticleClik here to view.
Mapping Election Results with R and Choroplethr
By R. Duncan McIntosh Today’s guest post is by R. Duncan McIntosh. Last week Duncan tweeted about using choroplethr to map the 2016 Florida primary election results. I’ve been wanting to analyze...
View Article