14 - Introduction to R

Skill Builders

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Compute statistics for the data in the following table. Before starting, read the following boxed insert on smart editing.

year	square feet	electricity
2007	14,214,216	2,141,705
2008	14,359,041	2,108,088
2009	14,752,886	2,150,841
2010	15,341,886	2,211,414
2011	15,573,100	2,187,164
2012	15,740,742	2,057,364

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Create a matrix with 6 rows and 3 columns containing the numbers 1 through 18.

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Install the weathermetrics package and run the preceding code.

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Create a CSV file of annual CO2 measurements (PPM) for 1969 through 2011 taken at the Mauna Loa Observatory.2 You should set up the file so that it contains three columns: year, month, and CO2 measurements. Read the file into R, do some basic stats, and plot year versus CO2.

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Create a file with the maximum temperature for each year.