3282 search results for "Map"

Winston Chang’s “Interactive Graphics with ggvis” at useR! 2014

August 14, 2014
By
gggggviz-Greenshot_2014-08-15_00-07-06

Winston Chang’s “Interactive Graphics with ggvis” talk at useR! 2014 was in many ways a...

Read more »

Summer Summary

August 13, 2014
By
Summer Summary

The universe is full of magical things patiently waiting for our wits to grow sharper (Eden Phillpots) I launched this blog 7 months ago and published 30 posts during this time. These are some of my figures until now: more than 15.000 views from 125 countries (below you can find my map of the empire)

Read more »

Quantitative Finance applications in R – 8

August 12, 2014
By
Quantitative Finance applications in R – 8

The latest in a series by Daniel Hanson Introduction Correlations between holdings in a portfolio are of course a key component in financial risk management. Borrowing a tool common in fields such as bioinformatics and genetics, we will look at how to use heat maps in R for visualizing correlations among financial returns, and examine behavior in both a...

Read more »

Exploiting Heterogeneity to Reveal Consumer Preference: Data Matrix Factorization

August 11, 2014
By
Exploiting Heterogeneity to Reveal Consumer Preference: Data Matrix Factorization

We begin with a data matrix, a set of numbers arrayed so that each row contains information from a different consumer. Marketing research focuses on the consumer, but the columns are permitted more freedom, although they ought to tell us something abou...

Read more »

Vtreat: designing a package for variable treatment

August 7, 2014
By
Vtreat: designing a package for variable treatment

When you apply machine learning algorithms on a regular basis, on a wide variety of data sets, you find that certain data issues come up again and again: Missing values (NA or blanks) Problematic numerical values (Inf, NaN, sentinel values like 999999999 or -1) Valid categorical levels that don’t appear in the training data (especially Related posts:

Read more »

why clusterProfiler fails

August 6, 2014
By

Recently, there are some comments said that sometimes clusterProfiler failed in KEGG enrichment analysis. kaji331 compared cluserProfiler with GeneAnswers and found that clusterProfiler gives larger p values. The result forces me to test it. Read More: 251 Words Totally

Read more »

Results of the Readers’ Survey

August 5, 2014
By
Results of the Readers’ Survey

 First of all, let me say “Thank You” to all of the 357 people who completed the survey. I was hoping for 100, so needless to say the response blew away my expectations. This endeavor seems like a worthwhile effort to do once a year. Next year I will refine the...

Read more »

Introducing rlist 0.3

August 5, 2014
By

rlist 0.3 is released! This package now provides a wide range of functions for dealing with list objects. It can be especially useful when they are used to store non-tabular data. Two notable features are added in this version. First, list.search and equal() are added in support of fuzzy filtering and searching. Second, List object is added to provide object-based,...

Read more »

Introducing rlist 0.3

August 5, 2014
By

rlist 0.3 is released! This package now provides a wide range of functions for dealing with list objects. It can be especially useful when they are used to store non-tabular data. Two notable features are added in this version. First, list.search and equal() are added in support of fuzzy filtering and searching. Second, List object is added to provide object-based,...

Read more »

Clarifying difference between Ratio and Interval Scale of Measurement

August 5, 2014
By

Clarifying difference between Ratio and Interval Scale of Measurement Clarifying difference between Ratio and Interval Scale of Measurement Introduction Recently while preparing lecture on scales of measurements and types of statistical data, I came across two scales of measurement when numbers are used to denote a quantitative variable. ...

Read more »

Sponsors

Mango solutions



RStudio homepage



Zero Inflated Models and Generalized Linear Mixed Models with R

Quantide: statistical consulting and training



http://www.eoda.de









ODSC

CRC R books series











Contact us if you wish to help support R-bloggers, and place your banner here.

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)