Learning R

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Kelly O’Day from the Charts & Graphs blog [http://chartsgraphs.wordpress.com/] asked the following question [http://learnr.wordpress.com/2009/05/08/ggplot2-plot-inside-a-plot/#comment-79]: I’ve been trying to figure out how to read this file: http://data.giss.nasa.gov/gistemp/tabledata/GLB.Ts.txt [http://data.giss.nasa.gov/gistemp/tabledata/GLB.Ts.txt] The repeating titles every 20 years has me stumped. Do you have a trick for reading this type of source data file into R? This post shows how to import the text file, and quickly plot the monthly data from 1880-2009. read more… Charts & Graphs blog demonstrates how to embed one chart within another chart using base graphics. A similar chart can be drawn using ggplot2. read more… Charts & Graphs blog has posted a 2009 Kentucky Derby bump chart made in Excel. Next a similar bump chart would be constructed in ggplot2. read more… In his blogpost Jon Peltier shows how to “make a line chart which has two time series, in which each time series has data for different dates”, both in Excel 2003 and ...

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