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As of this morning, the getPass package version 0.1-1 is available on CRAN. The package offers a portable way to read user input without echoing the text, for the purposes of reading passwords. Some screenshots from various platforms are given below.... [Read more...]

Here is another short post which ranks T20 batsmen and bowlers. These are based on match data from Cricsheet. The ranking is done on average runs and average strike rate for batsmen and average wickets and average economy rate for bowlers. This post has also been published in RPubs RankT20... [Read more...]

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[social4i size=”large” align=”float-right”]   This is a re-post of Dr. Jack Vevea email to the R packages mailing list Greetings, R users! I’m [Read more...]

Staying on top of new CRAN packages is quite a challenge nowadays. However, thanks to Dirk’s CRANberries service I occasionally spot a new gem, such as wbstats, which appeared on CRAN last week. Similarly to the WDI package, wbstats offers an interface to the World Bank database. With the ... [Read more...]

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Staying on top of new CRAN packages is quite a challenge nowadays. However, thanks to Dirk's CRANberries service I occasionally spot a new gem, such as wbstats, which appeared on CRAN last week. Similarly to the WDI package, wbstats offers an interface to the World Bank database.With the functions ... [Read more...]

Over the last few months, I have been working casually on a new package to integrate MessagePack with R. What is MessagePack, you ask? To quote its website, "It's like JSON, but fast and small." Or in more extended terms: MessagePack is an efficient binary serialization format. It lets you ... [Read more...]

Design matrices unite seemingly disparate statistical methods, including linear regression, ANOVA, multiple regression, ANCOVA, and generalized linear modeling. As part of a hierarchical Bayesian modeling course that we offered this semester, we wanted our students to learn about design matrices to facilitate model specification and parameter interpretation. Naively, I thought ... [Read more...]

Naomi Robbins, author of Creating More Effective Graphs and Forbes contributor has teamed up with daughter Dr Joyce Robbins to present a new webinar this Thursday April 28, Creating Effective Graphs with Microsoft R Open. The webinar will demonstrate how to create a variety of useful graphics with R: comparisons, distributions, ... [Read more...]

png("goodbye.png", height = 625, width = 500)par(col = "purple")plot(1, 1, xlim = c(0,800), ylim = c(0,1600), type = "n", bty = "n", xaxt = "n", yaxt = "n", xlab = "", ylab = "")symbols(x = 400, y = 1200, circles = 400, add = T, lwd = 40)lines(x = c(40... [Read more...]

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Here is a short post which ranks IPL batsmen and bowlers. These are based on match data from Cricsheet. Ranking batsmen and bowlers in IPL is more challenging as the players can belong to different teams in different years. Hence I create a combined data frame of the batsmen and ... [Read more...]

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Machine learning is hard. Some people spend weeks, months, even years trying to learn machine learning without any success. They play around with datasets, buy books, compete on Kaggle, but ultimately make little progress. One of the big problems, is that many people just want to “dive in and build ... [Read more...]

[social4i size=”large” align=”float-right”] Guest post by Matt Dowle. This post was first published on the H2O blog, please go there to leave a [Read more...]