<?xml version="1.0"?> <!DOCTYPE gretldata SYSTEM "gretldata.dtd"> <gretldata name="data4-1" frequency="1" startobs="1" endobs="14" type="cross-section"> <description> DATA4-1: Data on single family homes in University City community of San Diego, in 1990. price = sale price in thousands of dollars (Range 199.9 - 505) sqft = square feet of living area (Range 1065 - 3000) bedrms = number of bedrooms (Range 3 - 4) baths = number of bathrooms (Range 1.75 - 3) </description> <variables count="4"> <variable name="price" label="sale price in thousands of dollars (Range 199.9 - 505)"/> <variable name="sqft" label="square feet of living area (Range 1065 - 3000)"/> <variable name="bedrms" label="number of bedrooms (Range 3 - 4)"/> <variable name="baths" label="number of bathrooms (Range 1.75 - 3)"/> </variables> <observations count="14" labels="false"> <obs>199.9 1065 3 1.75 </obs> <obs>228.0 1254 3 2.00 </obs> <obs>235.0 1300 3 2.00 </obs> <obs>285.0 1577 4 2.50 </obs> <obs>239.0 1600 3 2.00 </obs> <obs>293.0 1750 4 2.00 </obs> <obs>285.0 1800 4 2.75 </obs> <obs>365.0 1870 4 2.00 </obs> <obs>295.0 1935 4 2.50 </obs> <obs>290.0 1948 4 2.00 </obs> <obs>385.0 2254 4 3.00 </obs> <obs>505.0 2600 3 2.50 </obs> <obs>425.0 2800 4 3.00 </obs> <obs>415.0 3000 4 3.00 </obs> </observations> </gretldata>