R/ChicagoO3.R

In fields: Tools for Spatial Data

#
# fields  is a package for analysis of spatial data written for
# the R software environment.
# Copyright (C) 2024 Colorado School of Mines
# 1500 Illinois St., Golden, CO 80401
# Contact: Douglas Nychka,  douglasnychka@gmail.com,
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
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# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# GNU General Public License for more details.
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##END HEADER
# test data -- some old ozone data for chicago area

"ChicagoO3" <- structure(list(x = structure(c(10.2420950223404, 
    3.80376523711237, 9.10894898014071, 9.62401536295848, -2.42853799498812, 
    -12.626852374789, -0.419779101996896, -7.88824165286121, 
    3.54623204570348, -16.9019033521803, -27.2032310085453, -6.18852258956094, 
    -5.26140310048807, -12.2147992685346, -25.5550185835271, 
    -15.6657440334172, 21.109995699806, 12.9204402129956, 33.8836419936979, 
    28.1148985061338, -8.81404505952784, 6.475624941694, -12.2040623901154, 
    -18.5689928883614, 6.8907291046231, -14.9714234763093, -2.03401039835273, 
    10.6958505981398, 12.287083222701, -4.939739538856, 11.4568748968428, 
    20.2432463455088, 35.0486281566463, 28.0610414140067, 23.2873435403219, 
    -20.2294095400778, -19.6759373228389, -16.9777602637997, 
    -17.5312324810386, -18.4998088612067), .Dim = as.integer(c(20, 
    2)), .Dimnames = list(c("170310032", "170310037", "170310050", 
    "170311002", "170311003", "170311601", "170314002", "170314003", 
    "170317002", "170436001", "170890005", "170970001", "170971002", 
    "170973001", "171110001", "171971008", "180891016", "180892008", 
    "181270020", "181270024"), c("East.West", "North.South"))), 
    y = c(36.4902936963152, 34.6396930821552, 31.6444005657229, 
        34.4646956838262, 37.7204739668803, 40.1342965426748, 
        37.0181086910068, 38.4001686365134, 44.0485589002946, 
        38.4870329290307, 42.2402282830657, 40.0049235817847, 
        42.1090485712195, 39.6319596353327, 42.8054712629932, 
        44.1097465187358, 35.1186331327201, 46.898470931915, 
        42.9564231070325, 46.6868555984414), lon.lat = structure(c(-87.546, 
        -87.671, -87.568, -87.558, -87.792, -87.99, -87.753, 
        -87.898, -87.676, -88.073, -88.273, -87.865, -87.847, 
        -87.982, -88.241, -88.049, -87.335, -87.494, -87.087, 
        -87.199, 41.757, 41.978, 41.708, 41.616, 41.984, 41.668, 
        41.855, 42.039, 42.062, 41.813, 42.05, 42.177, 42.391, 
        42.29, 42.221, 41.592, 41.6, 41.639, 41.631, 41.617), 
        .Dim = as.integer(c(20, 2)), .Dimnames = list(c("170310032", 
            "170310037", "170310050", "170311002", "170311003", 
            "170311601", "170314002", "170314003", "170317002", 
            "170436001", "170890005", "170970001", "170971002", 
            "170973001", "171110001", "171971008", "180891016", 
            "180892008", "181270020", "181270024"), c("lon", 
            "lat")))), .Names = c("x", "y", "lon.lat"))