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convert date to POSIXct and correct hour based on time zone
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| get.correct.hour = function(i){ | |
| x = as.POSIXct(strptime(dt$postedTime[i], format = "%Y-%m-%dT%H:%M:%S"), tz = "GMT") | |
| tz.str = cities.gps[which(cities.gps$city == dt$city[i]),"time.zone"] | |
| return(hour(format(x, tz = tz.str))) | |
| } |
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| city | ne_lat | ne_lon | sw_lat | sw_lon | time.zone | |
|---|---|---|---|---|---|---|
| Nashville | 36.405788 | -86.515762 | 35.96788 | -87.054901 | America/Chicago | |
| Chicago | 42.022949 | -87.52449 | 41.644588 | -87.939484 | America/Chicago | |
| Arlington | 38.934341 | -77.032143 | 38.827351 | -77.172272 | America/Chicago | |
| Philadelphia | 40.137989 | -74.955757 | 39.867001 | -75.280258 | America/New_York | |
| Denver | 39.914082 | -104.617737 | 39.614231 | -105.10984 | America/Denver | |
| Dallas | 33.016441 | -96.539612 | 32.6096 | -97.000023 | America/Chicago | |
| Louisville | 38.288502 | -85.598717 | 38.139961 | -85.842743 | America/New_York | |
| Atlanta | 33.887192 | -84.289719 | 33.647991 | -84.551819 | America/New_York | |
| Santa Ana | 33.784149 | -117.831306 | 33.692928 | -117.943893 | America/Los_Angeles | |
| San Francisco | 37.832371 | -122.354874 | 37.604031 | -123.013657 | America/Los_Angeles | |
| Riverside | 34.019501 | -117.273552 | 33.876228 | -117.523903 | America/Los_Angeles | |
| New Orleans | 30.199579 | -89.625443 | 29.865511 | -90.140053 | America/Chicago | |
| Columbus | 40.13921 | -82.771339 | 39.810081 | -83.183777 | America/New_York | |
| Indianapolis | 39.927509 | -85.937683 | 39.632191 | -86.328171 | America/New_York | |
| Corpus Christi | 27.89607 | -97.112602 | 27.56065 | -97.682404 | America/Chicago | |
| Phoenix | 33.892658 | -111.925308 | 33.290249 | -112.32402 | America/Denver | |
| Sacramento | 38.6856 | -121.362701 | 38.43779 | -121.560509 | America/Los_Angeles | |
| Aurora | 41.823002 | -88.204941 | 41.679958 | -88.408447 | America/Denver | |
| San Diego | 33.114231 | -116.905792 | 32.53479 | -117.282356 | America/Los_Angeles | |
| Albuquerque | 35.217941 | -106.471161 | 34.94677 | -106.881798 | America/Denver | |
| El Paso | 32.001461 | -106.249588 | 31.62307 | -106.635727 | America/Denver | |
| Las Vegas | 36.380619 | -115.062172 | 36.129559 | -115.414619 | America/Los_Angeles | |
| Virginia Beach | 37.02747 | -75.867287 | 36.550388 | -76.228127 | America/New_York | |
| Los Angeles | 34.336781 | -118.155212 | 33.703732 | -118.668167 | America/Los_Angeles | |
| Mesa | 33.513931 | -111.580643 | 33.277359 | -111.893982 | America/Denver | |
| Memphis | 35.26387 | -89.744888 | 34.99469 | -90.310547 | America/Chicago | |
| Jacksonville | 30.58679 | -81.390358 | 30.1038 | -82.049469 | America/New_York | |
| Tampa | 28.171431 | -82.259949 | 27.813231 | -82.648819 | America/New_York | |
| Colorado Springs | 39.03537 | -104.598877 | 38.716019 | -104.915649 | America/Denver | |
| Bakersfield | 35.447971 | -118.772339 | 35.194 | -119.265327 | America/Los_Angeles | |
| Omaha | 41.392429 | -95.870644 | 41.190559 | -96.268242 | America/Chicago | |
| Charlotte | 35.400299 | -80.651527 | 35.010502 | -81.009392 | America/New_York | |
| Miami | 25.8557 | -80.142387 | 25.709 | -80.319611 | America/New_York | |
| San Jose | 37.469158 | -121.589149 | 37.125511 | -122.04567 | America/Los_Angeles | |
| Wichita | 37.804829 | -97.152939 | 37.556091 | -97.534897 | America/Chicago | |
| Kansas City | 39.355148 | -94.385468 | 38.817791 | -94.751801 | America/Chicago | |
| Detroit | 42.450241 | -82.910507 | 42.255459 | -83.287697 | America/New_York | |
| Lexington | 38.11692 | -84.371101 | 37.940041 | -84.604652 | America/New_York | |
| Tucson | 32.3209 | -110.7062 | 31.99165 | -111.058739 | America/Denver | |
| Raleigh | 35.970951 | -78.49736 | 35.72076 | -78.819069 | America/New_York | |
| Anaheim | 33.879398 | -117.667931 | 33.788898 | -118.017319 | America/Los_Angeles | |
| Austin | 30.51684 | -97.56147 | 30.09877 | -97.938377 | America/Chicago | |
| Portland | 45.65308 | -122.472137 | 45.43251 | -122.836731 | America/Los_Angeles | |
| Baltimore | 39.372082 | -76.528961 | 39.197289 | -76.711281 | America/New_York | |
| St. Louis | 38.77425 | -90.166489 | 38.53194 | -90.319702 | America/Chicago | |
| Houston | 30.11174 | -95.016777 | 29.52347 | -95.788094 | America/Chicago | |
| Oakland | 37.885361 | -122.114357 | 37.69923 | -122.342628 | America/Los_Angeles | |
| Tulsa | 36.322071 | -95.761528 | 35.958969 | -96.073448 | America/Chicago | |
| Fresno | 36.911549 | -119.655006 | 36.662701 | -119.934372 | America/Los_Angeles | |
| Boston | 42.397259 | -70.808517 | 42.227859 | -71.191208 | America/New_York | |
| Washington | 38.995541 | -76.909538 | 38.791672 | -77.119766 | America/New_York | |
| Fort Worth | 33.04916 | -97.033791 | 32.551701 | -97.592392 | America/Chicago | |
| Minneapolis | 45.051281 | -93.193741 | 44.89043 | -93.329147 | America/Chicago | |
| San Antonio | 29.73105 | -98.222961 | 29.22414 | -98.813454 | America/Chicago | |
| Long Beach | 33.885448 | -118.063202 | 33.714748 | -118.249207 | America/Los_Angeles | |
| New York | 40.917622 | -73.700378 | 40.477421 | -74.258904 | America/New_York | |
| Cleveland | 41.59911 | -81.53273 | 41.39259 | -81.879517 | America/New_York | |
| Milwaukee | 43.192581 | -87.863708 | 42.92078 | -88.070457 | America/Chicago | |
| Oklahoma City | 35.67551 | -97.124718 | 35.290691 | -97.830917 | America/Chicago | |
| Seattle | 47.734138 | -122.236481 | 47.49556 | -122.436127 | America/Los_Angeles |
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