Variation of suicide and homicide rates by longitude and latitude.
State suicide rates in 1980 varied gradually, rather than abruptly, with longitude, as did homicide rates with latitude.
Psychology Program, Richard Stockton College of New Jersey, Pomona 08240-0195, USA.
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D005544:Forecasting; D005843:Geography; D006708:Homicide / Q000706:statistics & numerical data* / Q000639:trends; D006801:Humans; D016014:Linear Models; D011336:Probability; D013405:Suicide / Q000706:statistics & numerical data* / Q000639:trends; D014481:United States / Q000453:epidemiology