# 127 search results for "iris"

## SVN Version Control, R, and some rambling thought on AWS,Rscripts

December 16, 2011
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I do a alot of my modelling on Rstudio hosted on EC2 instances. If you don’t use, I would highly recommend. A brilliant tool. Kudos to the Rstudio team. I have made a personal and professional pledge to obsessively use version control. I hope to show...

## Sending Email from R (using sendEmail)

November 25, 2011
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Like a lot of other R users I’ve felt the need for sending email from R. I haven’t surveyed CRAN for such a package but looked for the possibility of sending command line email in Windows. Found a nice application called sendEmail that can be found here Below are code snippets in R that will

## animation with gridSVG

November 12, 2011
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Some time ago I posted a question in stackoverflow to learn how to produce a multipage SVG file. This is …Continuar leyendo »

## Next Level Web Scraping

November 5, 2011
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The outcome presented above will not be very useful to most of you - still, this could be a good example for what possibly can be done via web scraping in R.Background: TIRIS is the federal geo-statistical service of North-Tyrol, Austria. One of many g...

## Where to find data to use with R

October 11, 2011
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(Contributing blogger Joe Rickert has put together a fantastic list of data sources suitable for use with R. If you're looking for data to use in the Applications of R Contest -- entries close October 31 -- this is a great resource for you -- Ed.) Hardly a day goes by without someone or something reminding me that we...

## Graphically analyzing variable interactions in R

August 23, 2011
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I studied Ecology as an undergraduate, which meant I spent a lot of time gathering and analyzing field data. One of the basic tools we used to look for relationships in a large set of variables was correlation and scatterplot matrices. Each of these ...

## ggplot2 Version of Figures in “25 Recipes for Getting Started with R”

August 16, 2011
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In order to provide an option to compare graphs produced by basic internal plot function and ggplot2, I recreated the figures in the book, 25 Recipes for Getting Started with R, with ggplot2.The code used to create the images is in separate paragraphs, allowing easy comparison.Read...

## Scatterplot matrices in R

July 25, 2011
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I just discovered a handy function in R to produce a scatterplot matrix of selected variables in a dataset. The base graphics function is pairs(). Producing these plots can be helpful in exploring your data, especially using the second method below.Try...

## AIB Stock Price, EGARCH-M, and rgarch

May 17, 2011
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$AIB Stock Price, EGARCH-M, and rgarch$

This post examines conditional heteroskedasticity models in the context of daily stock price data for Allied Irish Banks (AIB), specifically how to test for conditional heteroskedasticity in a series, how to approach model specification and estimation when time-varying volatility is present, and how to forecast with these models; all of this is done in R,

## Day #9 Using R in Knime nodes

March 22, 2011
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First you need to create a workflow in Knime. This is what i used. I loaded in the Iris data, renamed the tables for further use in my scripts and showed a view, or first did an R snippet to show a view afterwards. Once this is done, make sure your R-B...