Variables:
Minard.troops: A data frame with 20 observations on the following 4 variables giving the number of surviving troops.
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long
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Longitude
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lat
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Latitude
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survivors
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Number of surviving troops, a numeric vector
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direction
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a factor with levels A ("Advance") R ("Retreat")
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group
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a numeric vector
Minard.cities: A data frame with 20 observations on the following 3 variables giving the locations of various places along the path of Napoleon's army.
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long
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Longitude
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lat
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Latitude
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city
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City name: a factor with levels Bobr Chjat ... Witebsk Wixma
Minard.temp: A data frame with 9 observations on the following 4 variables, giving the temperature at various places along the march of retreat from Moscow.
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long
-
Longitude
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temp
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Temperature
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days
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Number of days on the retreat march
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date
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a factor with levels Dec01 Dec06 Dec07 Nov09 Nov14 Nov28 Oct18 Oct24
Details
date in Minard.temp should be made a real date in 1815.