Usefulness of factor and cluster analysis in grouping census tracts.
D002140:California; D003710:Demography; D005006:Ethnicity; D005163:Factor Analysis, Statistical; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D007752:Obstetric Labor, Premature / Q000453:epidemiology; D011153:Population; D011157:Population Dynamics; D011247:Pregnancy; D011295:Prenatal Care / Q000706:statistics & numerical data; D012959:Socioeconomic Factors; D014798:Vital Statistics