Blogs about: R Example And Scripts
Solar Trends: Sunspot Numbers Since 1749
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Kelly wrote 2 months ago: This is the 1st in a series of posts I will be doing on solar trends. In this post, I show how to r … more →
CO2: Emissions & Changes in Atmospheric Levels
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Kelly wrote 2 months ago: In previous posts, I have shown the 1750-2008 global CO2 emission trends and the atmospheric CO2 con … more →
Global Mean Sea Level Trends
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Kelly wrote 2 months ago: In this post, I show an R script that downloads the University of Colorado, Boulder’s 1993-20 … more →
Global Sea Surface Temperature Trends (1850-2009)
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Kelly wrote 2 months ago: In this post, I show an R script that downloads the Hadley Centre’s 1850-2009 monthly sea surf … more →
CO2 and Temperature Trends
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Kelly wrote 2 months ago: In a previous post I discussed problems with an Excel based CO2 and temperature trend chart that use … more →
CO2 Emission Trends
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Kelly wrote 3 months ago: “Since 1751 approximately 329 billion [metric] tons of carbon have been released to the atmosp … more →
Excel Chart Misrepresents CO2 - Temperature Relationship
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Kelly wrote 3 months ago: This post reviews an Excel chart that misrepresents the CO2 – temperature anomaly relationship … more →
Segmented Regression of GISS Temperature Trends
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Kelly wrote 4 months ago: In this post I show how to use the R strucchange package to prepare a segmented regression of the an … more →
Putting Consolidated Global Temperature Data on-line
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Kelly wrote 4 months ago: In this post I describe an R script that retrieves monthly global temperature anomaly data from 5 so … more →
Decadal Trend Rates in Global Temperature
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Kelly wrote 4 months ago: This post presents an R based chart of global GISS land and sea temperature anomaly data for the 188 … more →
rpanel Package - Adds Interactive Capabilites to R
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Kelly wrote 6 months ago: This post presents a short video that shows an interactive regression application using the rpanel p … more →
R Lets You Put Chart Inside Chart
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Kelly wrote 6 months ago: In this post I give a quick tip on how to embed one chart within another chart. This can be useful i … more →
2009 Kentucky Derby Bumps Chart
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Kelly wrote 6 months ago: In this post I show a bumps chart of the 2009 Kentucky Derby made with Excel. This was an incredibly … more →
Don't Try This With Excel
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Kelly wrote 7 months ago: In this post I show 4 charts of the same data to demonstrate what Excel chart users are missing by … more →
Learn R Toolkit Videos
Kelly wrote 7 months ago: My list of free Learn R Toolkit videos is growing. Here’s the latest list of free videos: Get … more →
Excel Deja Vu All Over Again
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Kelly wrote 7 months ago: In reading a recent Excel charting post, I got that Yogi Berra feeling, “..this is deja vu all … more →
Excel's Missing Factor
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Kelly wrote 7 months ago: In this post I show how R’s factor data type allows users to produce effective charts much mor … more →
Learn R Toolkit
Kelly wrote 7 months ago: Learn R Toolkit: I have developed this toolkit to help Excel users quickly learn R so that you can m … more →
Video To Help Excel Users Get Familiar With R
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Kelly wrote 9 months ago: I’ve made a short (9 minute) video to help Excel users get familiar with R. This video gives … more →
