143 search results for "iris"

Put some cushions on the sofa

June 21, 2013
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I posted earlier this week about sofa (here), introducing a package I started recently that interacts with CouchDB from R. There's been a fair amount of response at least in terms of page views, so I'll take that as a sign to keep going.One thing that would be nice while you are CouchDB-ing is to interact with local...

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Put some cushions on the sofa

June 21, 2013
By

I posted earlier this week about sofa (here), introducing a package I started recently that interacts with CouchDB from R. There's been a fair amount of response at least in terms of page views, so I'll take that as a sign to keep going.One thing that would be nice while you are CouchDB-ing is to interact with local...

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Safe Loading of RData Files

June 10, 2013
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Safe Loading of RData Files

Unless you have configured R not to ask, every time you close R or RStudio you are prompted to save your workspace. This saves an RData file to the working directory. The functions save.image() and save() offer a little more … Continue reading →

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Fylopic, an R wrapper to Phylopic

June 1, 2013
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Fylopic, an R wrapper to Phylopic

What is PhyloPic?PhyloPic is an awesome new service - I'll let the creator, Mike Keesey, explain what it is (paraphrasing here):PhyloPic stores silhouette images of organisms, and each image is associated with taxonomic names, and stores the taxonomy of all taxa, allowing searching by taxonomic names. Anyone can submit silhouettes to PhyloPic.What is a silhouette? It's like...

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Fylopic, an R wrapper to Phylopic

June 1, 2013
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Fylopic, an R wrapper to Phylopic

What is PhyloPic?PhyloPic is an awesome new service - I'll let the creator, Mike Keesey, explain what it is (paraphrasing here):PhyloPic stores silhouette images of organisms, and each image is associated with taxonomic names, and stores the taxonomy of all taxa, allowing searching by taxonomic names. Anyone can submit silhouettes to PhyloPic.What is a silhouette? It's like...

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Generating Nice Looking Tree Diagrams in R

May 31, 2013
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Generating Nice Looking Tree Diagrams in R

This function generates nice looking tree diagrams (see sample) below from tree objects (generated by package tree). This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option)

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Writing a Minimal Working Example (MWE) in R

May 27, 2013
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Writing a Minimal Working Example (MWE) in R

How to Ask for Help using R How to Ask for Help using RThe key to getting good help with an R problem is to provide a minimally working reproducible example (MWRE). Making an MWRE is really easy with R, and it will help ensure that...

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Pivot Tables for R: Try sqldf

May 21, 2013
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Pivot tables are a a growing staple for analysis in excel yet they remain limited to the functionality which Microsoft has chosen to include. Typical operations are the inclusion of filters, choice over rows, columns, and maths operations. In R … Continue reading →

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Package party: Conditional Inference Trees

May 21, 2013
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Package party: Conditional Inference Trees

I am going to be using the party package for one of my projects, so I spent some time today familiarising myself with it. The details of the package are described in Hothorn, T., Hornik, K., & Zeileis, A. (1999). “party: A Laboratory for Recursive Partytioning” which is available from CRAN. The main workhorse of

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Conversion between Factor and Dummies in R

May 18, 2013
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Conversion between Factor and Dummies in R

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