vulgaris: Phenology data for North American lilacs

Description Usage Format Source Examples

Description

Data set from Schwartz, M.D. and J.M. Caprio, 2003, North American First Leaf and First Bloom Lilac Phenology Data, IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2003-078. NOAA/NGDC Paleoclimatology Program, Boulder CO, USA.

Usage

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Format

Source

http://www.ncdc.noaa.gov/paleo/phenology.html

Examples

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# Read in the data
data(vulgaris)
# Split the plot in two
par(mfrow=c(2,1))
# Plot US states
plot(us_states)
# Add Locations of observation stations
plot(vulgaris,add=TRUE,pch=16,col='red')
# Plot a histogram of year of observation next to this
hist(vulgaris$Year)

GISTools documentation built on May 6, 2019, 1:09 a.m.