10 pages
Table 1
Independent Variable Skewness Values – Pre-Transformation
| Descriptive Statistics | ||
| Skewness | Std. Error | |
| Listing price ($) | .567 | .309 |
| Interior floor size (sqft) | .141 | .309 |
| Land size (sqft) | 2.412 | .309 |
| # bedrooms | -.257 | .309 |
| # bathrooms | -.107 | .309 |
| Year Built | -.343 | .309 |
| Walkscore | -.293 | .309 |
| Walkability 70>=1 , 70<=0 | 2.213 | .309 |
| Building age (years) | .343 | .309 |
| Fireplace | .511 | .309 |
| Valid N (listwise) | ||
Table 2
Independent Variable Skewness Values – Post Transformation
| Descriptive Statistics | |||
| Skewness | |||
| Statistic | Statistic | Std. Error | |
| Price Log 10 | 60 | -.125 | .309 |
| interior floor size sqft Log 10 | 60 | -.286 | .309 |
| Land size sqft Log 10 | 60 | 1.058 | .309 |
| Bedrooms Log 10 | 60 | -.788 | .309 |
| Bathrooms Log 10 | 60 | -.741 | .309 |
| Year Built Log 10 | 60 | -.356 | .309 |
| Walk score Log 10 | 60 | -1.620 | .309 |
| Walkability Log 10 | |||
| Building age years Log 10 | 60 | -.393 | .309 |
| Fireplace Log 10 | 58 | .109 | .314 |
| Valid N (list wise) | |||
| Statistics | |||||||||
| LandsizesqftLog10 | bedroomsLog10 | bathroomsLog10 | YearBuiltLog10 | nteriorfloorsizesqftLog10 | |||||
| 60 | 60 | 60 | 60 | 60 | |||||
| 24 | 24 | 24 | 24 | 24 | |||||
| 25 Q1 | 3.7793 | .6021 | .4771 | 3.2919 | 3.3907 | ||||
| 3.8622 | .6990 | .6505 | 3.2993 | 3.5359 | |||||
| 3.9651 | .7782 | .7782 | 3.3045 | 3.6663 | |||||
Table 3
Independent Variable Skewness Values
| Variable | Q1 | Q3 | Lower Boundary | Upper Boundary |
| Land size sqft Log 10 | 3.7793 | 3.9651 | 3.37054 | 4.37386 |
| Bedrooms Log 10 | .6021 | .7782 | 0.21468 | 1.16562 |
| Bathrooms Log 10 | .4771 | .7782 | -0.18532 | 1.44062 |
| Year Built Log 10 | 3.2919 | 3.3045 | 3.26418 | 3.33222 |
| Interior floor size sqft Log 10 | 3.3907 | 3.6663 | 2.78438 | 4.27262 |
Note: Q1 represents the 25th percentile and Q3 represents the 75th percentile. Lower Boundary = Q1 – ((Q3-Q1) X 2.2), and Upper Boundary = Q3 + ((Q3-Q1) X 2.2) (Hoaglin & Iglewicz, 1987)
| Sample ID | Listing price | Interior floor size (sqft) | Land size (sqft) | beds | baths | Yr Built | Walkscore | Walkability 70>=1 , 70<=0 | Building age | Fireplace |
| $1,119,000 | 1,720 | 4,000 | 1983 | 66 | 34 | |||||
| $1,359,000 | 2,648 | 4,420 | 1983 | 85 | 34 | |||||
| $1,388,000 | 1,678 | 4,092 | 1957 | 70 | 60 | |||||
| $1,498,800 | 2,425 | 7,200 | 1973 | 33 | 44 | |||||
| $1,499,000 | 2,448 | 9,240 | 1973 | 35 | 44 | |||||
| $1,499,000 | 2,134 | 6,600 | 1958 | 50 | 59 | |||||
| $1,589,999 | 2,206 | 4,360 | 1980 | 68 | 37 | |||||
| $1,598,000 | 1,913 | 12,735 | 1952 | 58 | 65 | |||||
| $1,650,000 | 2,464 | 6,231 | 1959 | 61 | 58 | |||||
| 10 | $1,660,000 | 2,996 | 7,000 | 1958 | 44 | 59 | ||||
| 11 | $1,668,000 | 2,550 | 8,777 | 1958 | 42 | 59 | ||||
| 12 | $1,680,000 | 2,450 | 4,455 | 1995 | 74 | 22 | ||||
| 13 | $1,799,000 | 3,114 | 7,200 | 1976 | 47 | 41 | ||||
| 14 | $1,978,000 | 2,457 | 7,540 | 1954 | 12 | 63 | ||||
| 15 | $1,980,000 | 3,463 | 7,276 | 2008 | 66 | |||||
| 16 | $1,980,000 | 1,724 | 9,450 | 1970 | 15 | 47 | ||||
| 17 | $2,088,800 | 2,213 | 7,197 | 1977 | 59 | 40 | ||||
| 18 | $2,089,000 | 3,005 | 4,200 | 2016 | 56 | |||||
| 19 | $2,098,000 | 3,252 | 4,620 | 2006 | 63 | 11 | ||||
| 20 | $2,098,000 | 3,332 | 4,554 | 2016 | 73 | |||||
| 21 | $2,188,000 | 3,476 | 6,004 | 2013 | 72 | |||||
| 22 | $2,188,000 | 3,188 | 6,050 | 1989 | 37 | 28 | ||||
| 23 | $2,188,000 | 3,410 | 27,500 | 1969 | 57 | 48 | ||||
| 24 | $2,248,000 | 3,315 | 4,356 | 2016 | 23 | |||||
| 25 | $2,248,000 | 3,271 | 8,830 | 1978 | 54 | 39 | ||||
| 26 | $2,298,000 | 2,188 | 8,645 | 1957 | 65 | 60 | ||||
| 27 | $2,298,800 | 3,460 | 4,920 | 2016 | 72 | |||||
| 28 | $2,298,800 | 3,460 | 4,920 | 2016 | 72 | |||||
| 29 | $2,298,000 | 2,188 | 8,645 | 1957 | 56 | 60 | ||||
| 30 | $2,338,000 | 2,244 | 10,235 | 1957 | 28 | 60 | ||||
| 31 | $2,388,000 | 4,246 | 5,907 | 2016 | 62 | |||||
| 32 | $2,480,000 | 5,759 | 18,428 | 1997 | 18 | 20 | ||||
| 33 | $2,488,000 | 4,776 | 7,000 | 2012 | 59 | |||||
| 34 | $2,538,000 | 4,272 | 6,480 | 2015 | 37 | |||||
| 35 | $2,588,000 | 4,764 | 7,357 | 2016 | 54 | |||||
| 36 | $2,598,000 | 4,716 | 7,773 | 2016 | 46 | |||||
| 37 | $2,688,000 | 2,734 | 12,547 | 1955 | 62 | |||||
| 38 | $2,698,000 | 2,541 | 7,070 | 1976 | 68 | 41 | ||||
| 39 | $2,738,000 | 5,066 | 7,000 | 2016 | 69 | |||||
| 40 | $2,788,000 | 3,163 | 9,193 | 2011 | ||||||
| 41 | $2,798,888 | 4,897 | 6,975 | 2016 | 68 | |||||
| 42 | $2,799,900 | 4,124 | 6,000 | 1921 | 87 | 96 | ||||
| 43 | $2,880,000 | 4,100 | 7,287 | 1999 | 21 | 18 | ||||
| 44 | $2,889,000 | 5,031 | 8,050 | 2014 | 29 | |||||
| 45 | $2,900,000 | 4,396 | 7,000 | 2016 | 51 | |||||
| 46 | $2,988,000 | 5,165 | 8,712 | 2004 | 22 | 13 | ||||
| 47 | $2,998,000 | 2,246 | 13,480 | 1964 | 53 | |||||
| 48 | $3,088,000 | 5,251 | 7,200 | 2014 | 30 | |||||
| 49 | $3,380,000 | 4,003 | 23,220 | 1955 | 24 | 62 | ||||
| 50 | $3,388,000 | 5,010 | 8,052 | 2016 | 29 | |||||
| 51 | $3,398,888 | 3,565 | 20,472 | 1951 | 66 | |||||
| 52 | $3,480,000 | 4,660 | 13,200 | 2014 | 31 | |||||
| 53 | $3,495,000 | 4,259 | 6,000 | 2015 | 44 | |||||
| 54 | $3,648,000 | 4,923 | 7,540 | 2016 | 26 | |||||
| 55 | $3,688,000 | 5,399 | 8,050 | 2016 | 47 | |||||
| 56 | $3,788,000 | 4,484 | 7,920 | 2016 | 54 | |||||
| 57 | $3,960,000 | 4,572 | 34,123 | 1958 | 59 | |||||
| 58 | $3,988,000 | 3,850 | 22,600 | 1956 | 61 | |||||
| 59 | $4,388,000 | 4,751 | 15,284 | 1966 | 51 | |||||
| 60 | $4,588,000 | 5,560 | 10,675 | 2016 | 63 |
