August 2013

Pappu Vs. Feku – Twitter Wars

August 10, 2013 | NP

In my quest to practice R and learn text mining, I am looking at one of the popular Twitter Wars between two political personalities of India who are fondly known in the TwitterVerse as ‘Pappu’ and ‘Feku’ which is basically their ‘ghar ka naam’ or ‘pyar wala naam’. Anyway, the ... [Read more...]

In case you missed it: July 2013 Roundup

August 9, 2013 | David Smith

In case you missed them, here are some articles from July of particular interest to R users: A new 90-second, creative commons video helps R enthusiasts share the history, community and applications of R. Analyst group Butler Analytics reviews 10 predictive analytics platforms, and says that "real analysts use R". An ... [Read more...]

Approximate string matching in R

August 9, 2013 | mark

I have released a new version of the stringdist package. Besides a some new string distance algorithms it now contains two convenient matching functions: amatch: Equivalent to R's match function but allowing for approximate matching. ain: Similar to R's %in% … Continue reading → [Read more...]

R-Squared for a VBGM

August 9, 2013 | dogle

Recently, a fishR user asked me the following question: After fitting the age-length data into VBGM, I overviewed the results. But I can’t find the coefficient of determination () for the VBGM fitting. Because some reviewer want the the coefficient … Continue reading → [Read more...]

inline 0.3.13

August 9, 2013 | Thinking inside the box

A minor maintenance release of inline is now on CRAN, and has just been already included in Debian. This release contains a patch kindly contributed by Mikhail Umorin which fixes the of \code{cfunction} with lists of signatures and function bodies. ... [Read more...]

R/gridSVG/d3 Line Reverse Data Bind

August 8, 2013 | klr

I veer from finance to tech, so let’s use some data from FRED/OECD this time.  I do not think I need to comment much on what has happened to New Car Registrations in Greece. Reverse data binding a line plot from ggplot2 or lattice is slightly more difficult ... [Read more...]

Absolute Deviation Around the Median

August 8, 2013 | Kevin Davenport

Median Absolute Deviation (MAD) or Absolute Deviation Around the Median as stated in the title, is a robust measure of central tendency. Robust statistics are statistics with good performance for data drawn from a wide range of non-normally distributed probability distributions. Unlike the standard mean/standard deviation combo, MAD is ... [Read more...]

R on Your iPhone (Not the Way You Think)

August 8, 2013 | klr

If you really love R, you should put it on your iPhone.  Apple gives the measurements for its products here. Let's use a little grid magic with ggplot2 to make a chart for the back of your iphone similar to this.
require(grid)<br>require(ggplot2)<br><br># thanks for the Apple measurements<br># https://developer.apple.com/resources/cases/<br>x11(<br>  height = as.numeric(convertX(unit(58.55, "mm"), "in")),<br>  width = as.numeric(convertX(unit(115.15,"mm"), "in"))<br>)<br><br># seems Rstudio make it hard to select a dev use until the new dev is<br># Active<br>dev.set(which = dev.next())<br># draw anything to activate our window<br>grid.text("my R iphone case")<br>
# draw your most beautiful plot with ggplot2 or lattice a good example<br># thanks http://sharpstatistics.co.uk/r/ggplot2-guide/<br>p <- ggplot(iris, aes(Sepal.Length, Sepal.Width)) + geom_point()<br>p + facet_grid(. ~ Species) + stat_smooth(method = "lm")<br>
# draws rectangular and circular(camera) cutout<br>grid.roundrect(<br>  y = unit(28.975, "mm"),<br>  x = unit(57.275, "mm"),<br>  height = unit(57.95, "mm"),<br>  width = unit(114.55, "mm"),<br>  r = unit(8.17, "mm"),<br>  name = "iphoneback"<br>)<br>grid.circle(<br>  y = unit(49.78, "mm"),<br>  x = unit(106.45, "mm"),<br>  r = unit(3.46, "mm")<br>)<br>
Cut and insert in or paste/... [Read more...]

Bio7 1.7 for Windows Released!

August 8, 2013 | » R

07.08.2013 A new Windows version of Bio7 is available. This version comes with a lot of new features and improvements for Java, R and ImageJ. One highlight is that you can now interpret Jython (Python) code with Bio7. In addition a new console implementation is available which offers access to a ... [Read more...]

Data Science MD July Recap: Python and R Meetup

August 8, 2013 | Jason Barbour

For July’s meetup, Data Science MD was honored to have Jonathan Street of NIH and Brian Godsey of RedOwl Analytics come discuss using Python and R for data analysis. Jonathan started off by describing the growing ecosystem of Python data … Continue reading → The post Data Science MD July Recap: ... [Read more...]

JSM 2013 – Wednesday

August 8, 2013 | Wesley

I was able to attend a continuing education short course workshops at the JSM conference that proved to be quite insightful.  The discussion was on data mining and was titled “Applied Data Mining Analysis: A Step-by-Step Introduction Using Real-World Data Sets”.  The presentation was given by Dan Steinberg and the ... [Read more...]
1 7 8 9 10 11 12

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)