Problem Defination
The objective is to predict house price.

Data Location
The data for these sales comes from the official public records of home sales in the King County area, Washington State. The data sets contains 21613 rows. Each represents a home sold from May 2014 through May 2015. http://your.kingcounty.gov/assessor/eRealProperty/ResGlossaryOfTerms.html.

Data Description
Size:21613 obs. of 21 variables

Attributes: id - Unique ID for each home sold
date - Date of the home sale
price - Price of each home sold
bedrooms - Number of bedrooms
bathrooms - Number of bathrooms, where .5 accounts for a room with a toilet but no shower
sqft_living - Square footage of the apartments interior living space
sqft_lot - Square footage of the land space
floors - Number of floors
waterfront - A variable for whether the apartment was overlooking the waterfront or not
view - An index from 0 to 4 of how good the view of the property was
condition - An index from 1 to 5 on the condition of the apartment,
grade - An index from 1 to 13, where 1-3 falls short of building construction and design, 7 has an average level of construction and design, and 11-13 have a high quality level of construction and design.
sqft_above - The square footage of the interior housing space that is above ground level
sqft_basement - The square footage of the interior housing space that is below ground level
yr_built - The year the house was initially built
yr_renovated - The year of the house’s last renovation
zipcode - What zipcode area the house is in
lat - Lattitude
long - Longitude
sqft_living15 - The square footage of interior housing living space for the nearest 15 neighbors
sqft_lot15 - The square footage of the land lots of the nearest 15 neighbors

Setup

library(tidyr)
## Warning: package 'tidyr' was built under R version 3.3.3
library(dplyr)
## Warning: package 'dplyr' was built under R version 3.3.3
## 
## Attaching package: 'dplyr'
## The following objects are masked from 'package:stats':
## 
##     filter, lag
## The following objects are masked from 'package:base':
## 
##     intersect, setdiff, setequal, union
library(ggplot2)
## Warning: package 'ggplot2' was built under R version 3.3.3
#library(caret)
#library(plotROC)

Functions

Dataset

dfrModel <- read.csv("./data/house-data.csv", header=T, stringsAsFactors=F)
head(dfrModel)
##           id            date   price bedrooms bathrooms sqft_living
## 1 7129300520 20141013T000000  221900        3      1.00        1180
## 2 6414100192 20141209T000000  538000        3      2.25        2570
## 3 5631500400 20150225T000000  180000        2      1.00         770
## 4 2487200875 20141209T000000  604000        4      3.00        1960
## 5 1954400510 20150218T000000  510000        3      2.00        1680
## 6 7237550310 20140512T000000 1225000        4      4.50        5420
##   sqft_lot floors waterfront view condition grade sqft_above sqft_basement
## 1     5650      1          0    0         3     7       1180             0
## 2     7242      2          0    0         3     7       2170           400
## 3    10000      1          0    0         3     6        770             0
## 4     5000      1          0    0         5     7       1050           910
## 5     8080      1          0    0         3     8       1680             0
## 6   101930      1          0    0         3    11       3890          1530
##   yr_built yr_renovated zipcode     lat     long sqft_living15 sqft_lot15
## 1     1955            0   98178 47.5112 -122.257          1340       5650
## 2     1951         1991   98125 47.7210 -122.319          1690       7639
## 3     1933            0   98028 47.7379 -122.233          2720       8062
## 4     1965            0   98136 47.5208 -122.393          1360       5000
## 5     1987            0   98074 47.6168 -122.045          1800       7503
## 6     2001            0   98053 47.6561 -122.005          4760     101930

{r drop_cols, echo=TRUE} #dfrModel$date<- gsub('T000000', '', dfrModel$date #

dfrModel <- select(dfrModel, -c(lat,long,date,id))
head(dfrModel)
##     price bedrooms bathrooms sqft_living sqft_lot floors waterfront view
## 1  221900        3      1.00        1180     5650      1          0    0
## 2  538000        3      2.25        2570     7242      2          0    0
## 3  180000        2      1.00         770    10000      1          0    0
## 4  604000        4      3.00        1960     5000      1          0    0
## 5  510000        3      2.00        1680     8080      1          0    0
## 6 1225000        4      4.50        5420   101930      1          0    0
##   condition grade sqft_above sqft_basement yr_built yr_renovated zipcode
## 1         3     7       1180             0     1955            0   98178
## 2         3     7       2170           400     1951         1991   98125
## 3         3     6        770             0     1933            0   98028
## 4         5     7       1050           910     1965            0   98136
## 5         3     8       1680             0     1987            0   98074
## 6         3    11       3890          1530     2001            0   98053
##   sqft_living15 sqft_lot15
## 1          1340       5650
## 2          1690       7639
## 3          2720       8062
## 4          1360       5000
## 5          1800       7503
## 6          4760     101930

Summary

#summary(dfrModel)
lapply(dfrModel, FUN=summary)
## $price
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   75000  322000  450000  540100  645000 7700000 
## 
## $bedrooms
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   0.000   3.000   3.000   3.371   4.000  33.000 
## 
## $bathrooms
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   0.000   1.750   2.250   2.115   2.500   8.000 
## 
## $sqft_living
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##     290    1427    1910    2080    2550   13540 
## 
## $sqft_lot
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##     520    5040    7618   15110   10690 1651000 
## 
## $floors
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   1.000   1.000   1.500   1.494   2.000   3.500 
## 
## $waterfront
##     Min.  1st Qu.   Median     Mean  3rd Qu.     Max. 
## 0.000000 0.000000 0.000000 0.007542 0.000000 1.000000 
## 
## $view
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##  0.0000  0.0000  0.0000  0.2343  0.0000  4.0000 
## 
## $condition
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   1.000   3.000   3.000   3.409   4.000   5.000 
## 
## $grade
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   1.000   7.000   7.000   7.657   8.000  13.000 
## 
## $sqft_above
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##     290    1190    1560    1788    2210    9410 
## 
## $sqft_basement
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##     0.0     0.0     0.0   291.5   560.0  4820.0 
## 
## $yr_built
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##    1900    1951    1975    1971    1997    2015 
## 
## $yr_renovated
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##     0.0     0.0     0.0    84.4     0.0  2015.0 
## 
## $zipcode
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##   98000   98030   98060   98080   98120   98200 
## 
## $sqft_living15
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##     399    1490    1840    1987    2360    6210 
## 
## $sqft_lot15
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##     651    5100    7620   12770   10080  871200
##returns a list=lapply
#detect_outliers(dfrModel$floors)
#detect_outliers(dfrModel$grade)
#detect_outliers(dfrModel$condition)
lapply(dfrModel, FUN=detect_outliers)
## $price
##    [1] 1225000 2000000 1350000 1325000 1450000 2250000 1505000 2400000
##    [9] 2900000 1365000 2050000 3075000 2384000 1384000 1400000 1350000
##   [17] 1550000 1300000 1450000 1199000 1150000 1385000 1280000 1197354
##   [25] 1485000 2250000 1600000 2125000 1450000 1950000 1220000 3070000
##   [33] 1250000 1145000 1484900 1578000 1300000 1310000 2250000 1355000
##   [41] 1216000 2400000 1270000 1200000 1321500 2450000 1242500 1570000
##   [49] 1200000 1278000 1955000 1750000 5110800 1150000 1875000 1225000
##   [57] 2300000 2260000 5300000 1200000 2200000 1131000 1175000 1700000
##   [65] 1400000 2537000 1355000 1229000 5350000 1328000 1218000 1250000
##   [73] 1300000 1175000 1375000 1150000 1198000 2250000 1230000 1265000
##   [81] 1679000 1928000 1175000 2350000 1135000 1315000 1430000 1525000
##   [89] 1569500 1575000 1249000 1715000 2400000 1600000 1480000 2532000
##   [97] 1568000 1200000 1250000 3850000 1195000 1635000 1325000 1735000
##  [105] 1700000 1650000 1550000 1680000 1760000 1339000 2750000 1185000
##  [113] 1400000 1810000 1365000 1187500 1544500 1600000 3278000 1600000
##  [121] 1220000 1700000 1280000 1865000 1215000 1245000 1600000 1619999
##  [129] 1650000 1237500 1165000 1599950 4500000 1272000 1380000 1150000
##  [137] 1505000 1610000 1289000 1385000 1324050 1400000 1835000 3600000
##  [145] 1250000 3000000 1195000 2950000 1325000 2525000 1799000 2298000
##  [153] 2288000 1500000 1130000 1320000 1265000 1506000 1899000 1400000
##  [161] 1135000 1901000 1208000 1900000 1306000 1965000 1675000 2075000
##  [169] 2544750 1570000 1280600 1234568 1290000 1230000 1165000 1225000
##  [177] 1250000 2095000 1575000 1598888 1288000 1440000 1350000 1240000
##  [185] 2453500 2450000 1905000 1740000 1650000 2890000 1575000 2200000
##  [193] 1325000 2950000 1225000 1415000 7062500 1208000 1495000 1300000
##  [201] 1379900 1145000 1495000 2400000 1385000 1350000 2500000 2150000
##  [209] 1210000 4000000 1191000 1600000 2880500 1285000 1875000 1570000
##  [217] 1300000 2400000 1275000 1155000 1190000 1400000 2125000 1135000
##  [225] 1150000 1150000 2050000 1705000 5570000 1150000 1338750 1670000
##  [233] 1250000 2000000 1236000 1442500 1260000 1200000 1206505 1130000
##  [241] 1160000 1405000 2485000 1345000 1130000 1195000 1490000 1465000
##  [249] 1850000 2479000 2048000 1151250 1895000 1939999 1400000 1575000
##  [257] 1165000 1200000 1385000 1295000 1525000 1150000 1309500 1297000
##  [265] 1500000 1160000 1315000 1155000 1600000 1740000 1250000 2850000
##  [273] 1780000 1215000 1150000 1880000 1691000 2400000 1600000 1200000
##  [281] 1157400 1419000 1470000 2466350 1517000 1620500 1850000 1150000
##  [289] 1500000 1460000 1697000 1795000 1525000 1727000 3418800 1200000
##  [297] 1195000 1476000 1564350 2725000 1325000 2385000 2196000 1280000
##  [305] 1150000 1240000 1445000 2400000 1695000 2200000 1202500 1450000
##  [313] 1965221 1450000 1436000 1580000 2903000 1289000 1153000 1339000
##  [321] 1925000 1940000 3650000 1240000 1339000 1350000 1337500 1349000
##  [329] 1250000 1515000 1998000 2650000 1875000 1185000 1335000 2700000
##  [337] 1255000 2250000 1900000 1430000 1437500 1555000 1370000 1488000
##  [345] 1395000 1580000 1155000 1210000 1295648 2175000 1387000 3800000
##  [353] 1500000 1650000 1735000 1430000 1255000 3200000 1300000 1490000
##  [361] 1400000 7700000 1615000 1450000 1200000 1160000 2500000 3100000
##  [369] 1245000 1535000 1525000 1150000 1775000 1184000 1600000 1975000
##  [377] 1393000 1248000 2575000 1600000 1310000 1300000 1170000 1605000
##  [385] 1398000 2500000 1320000 1485000 1700000 1146800 1445000 2538000
##  [393] 1270000 1465000 2150000 1250000 1150000 1450000 1646000 1212500
##  [401] 1200000 1150000 1900000 3200000 1824100 2900000 1290000 3400000
##  [409] 1325000 1440000 1195000 1851000 1250000 1475000 4668000 1511250
##  [417] 1250000 1865000 1452000 1625000 2450000 2193000 1320000 1218000
##  [425] 1655000 1300000 1250000 1295000 2140000 1247000 1285000 1200000
##  [433] 1240000 1208000 1590000 1150000 4489000 1438888 1485000 1200000
##  [441] 1175000 1200000 1800000 1250000 1370000 1406888 1530000 1325000
##  [449] 1910000 1348000 1205000 1325000 1360000 1400000 1234000 1955000
##  [457] 1265000 1500000 1190000 1680000 6885000 1680000 2575000 1362500
##  [465] 1335000 1565000 1925000 1249000 1698000 2375000 1275000 1350000
##  [473] 1160000 1300000 1795000 1540000 1780000 1157200 1755000 1565000
##  [481] 1482500 1395713 1175000 1695000 1140000 1388000 1220000 1250000
##  [489] 1648000 1175000 1730000 1140000 1738000 1315000 1200000 1275000
##  [497] 1150000 1250000 1695000 1227500 1900000 1326000 1365000 1400000
##  [505] 1355000 2700000 1245000 1300000 1197000 2983000 1228000 1399000
##  [513] 1375000 1200000 3400000 1145000 3120000 2000000 1350000 1500000
##  [521] 1225000 1700000 1565000 1700000 1165000 1150000 1325000 1135000
##  [529] 1308000 1688000 1575000 1250000 1769000 1582500 1610000 1650000
##  [537] 1250000 1557600 1565000 1378600 1130000 1225000 1662000 1295000
##  [545] 1820000 1175000 1381000 1234582 1450000 2555000 1400000 1699000
##  [553] 3000000 1600000 1400000 2100000 1800000 1168000 1164000 1170000
##  [561] 1705000 2300000 1295000 2750000 1655000 1180000 1325000 1209000
##  [569] 3200000 1450000 1750000 1142000 1185000 1200000 1300000 2795000
##  [577] 1250000 1730000 1420000 1135000 1545000 1400000 1370000 1280000
##  [585] 1580000 2200000 1250000 1236300 1850000 1280000 1785000 1600000
##  [593] 1620000 1475000 1950000 1400000 1620000 1288000 1443917 1130000
##  [601] 1210000 1150000 2575000 3000000 1400000 1300000 1500000 1260000
##  [609] 1195000 1595000 1430000 2135000 1665000 1300000 1190000 1450000
##  [617] 1462497 1305000 1199500 1959000 1650000 1712750 1186039 1340000
##  [625] 1650000 1550000 4208000 1289000 1169000 1900000 1890000 1960000
##  [633] 1300000 2000000 2535000 1850000 1272500 1295000 1350000 2408000
##  [641] 1149000 2280000 1313000 1749000 1300000 3100000 1610000 1250000
##  [649] 1135000 2300000 1698888 2250000 1260000 1135000 1180000 1250000
##  [657] 1250000 1610000 1700000 1651000 2546000 1275000 1800000 2000000
##  [665] 1999000 1688000 1148000 1580000 1822500 2415000 1140000 1550000
##  [673] 1169000 1272000 1170000 1328000 1650000 3168750 1775000 1475000
##  [681] 1240000 1275000 1762000 1640000 1900000 2340000 2600000 1160000
##  [689] 1325000 1712500 1350000 1810000 1795000 1150000 1886700 1160000
##  [697] 3395000 1815000 1225000 1400000 2885000 1680000 2750000 3300000
##  [705] 1500000 2110000 2225000 1340000 1285000 2200000 1625000 1950000
##  [713] 1225000 1500000 1690000 1800000 1580000 2200000 1500000 2400000
##  [721] 1225000 1260500 1989000 2888000 2230000 1442500 1378000 1475000
##  [729] 1295000 1465000 1160000 1195000 1612500 1260000 1180000 1900000
##  [737] 2600000 1520000 1340000 1375000 1500000 1480000 1425000 1640000
##  [745] 2450000 1295000 2000000 1535000 1580000 1210000 1600000 1225000
##  [753] 1770000 2152500 1950000 1755000 2200000 1900000 1300000 1150000
##  [761] 1395000 1150000 1398000 2300000 3640900 3065000 1675000 1330000
##  [769] 1305000 1468000 1220000 1950000 1650000 1311000 1220000 3200000
##  [777] 1800000 1190000 2300000 1825000 1681000 2271150 1715000 1680000
##  [785] 1850000 1637500 1160000 1675000 1690000 1256500 1295000 1187500
##  [793] 2480000 1300000 1160000 1335000 1520000 1600000 1565000 1425000
##  [801] 1180000 1636000 1190000 1346400 1190000 1280000 1400000 1365000
##  [809] 1250000 1220000 1385000 1200000 1425000 1550000 1925000 1320000
##  [817] 1300000 1309500 1815000 1285000 1490000 1200000 1950000 1400000
##  [825] 2328000 1250000 1620000 1307000 1600000 3710000 1350000 1500000
##  [833] 1185000 1387000 1200000 1200000 1660000 1538000 1750000 1220000
##  [841] 1875000 1180500 1400000 1980000 1185000 1260000 1810000 1350000
##  [849] 1298000 1310000 2195000 1200688 1150000 2140000 1150000 1355000
##  [857] 1185000 1348000 1920000 1650000 2574000 2500000 1395000 1300000
##  [865] 1400000 1200000 1388000 2300000 1225000 3100000 2187730 1475000
##  [873] 1776000 1298000 2500000 1185001 1200000 1380000 1450000 1880000
##  [881] 1970000 1457000 1454000 1288000 2250000 1350000 1205000 1735000
##  [889] 1629000 2225000 1200000 1425000 1802750 1388000 1870000 1562000
##  [897] 1215000 1200000 2510000 1350000 1650000 1284000 1550000 2005000
##  [905] 1364000 1325000 1320000 2050000 1210000 1650000 1375000 2458000
##  [913] 1595000 1190000 1350000 1320000 1205000 2027000 1990000 1321625
##  [921] 1444000 1250000 1735000 1695000 1680000 1702500 3300000 1385000
##  [929] 1855000 2367000 1211000 2475000 1387800 1355000 1862000 3300000
##  [937] 1230000 1265000 2920000 1140000 1500000 1230000 2630000 1250000
##  [945] 1415000 1728000 2700000 3300000 3650000 1650000 1137500 1450000
##  [953] 2950000 1135250 1315000 1156000 1600000 1325000 1388000 1150000
##  [961] 1160000 1165000 1225000 2147500 1268888 1700000 2680000 1675000
##  [969] 1389000 1298888 1945000 1500000 2180000 1410000 1920000 1400000
##  [977] 1190000 1150000 1161000 1240000 1411600 1505000 3800000 1225000
##  [985] 1415000 3635000 1185000 2000000 1150000 2720000 1225000 1550000
##  [993] 1800000 1518634 1430800 2160000 1550000 1950000 1400000 1450000
## [1001] 1900000 1500000 1225000 1388000 2395000 1980000 1280000 1356925
## [1009] 1360000 1410000 1200000 1150000 1264000 1450000 1850000 2205000
## [1017] 1450000 1375000 1680000 2250000 1205000 1583000 2641100 1532500
## [1025] 2320000 1255784 1710000 2700000 1330000 1260000 1262000 1595000
## [1033] 1563100 1695000 1266525 1180000 1210000 1898000 1465000 1400000
## [1041] 2700000 1280000 1238000 1750000 2250000 1237500 1575000 1481000
## [1049] 2945000 1750000 1350000 1312000 1789950 2150000 1333000 2225000
## [1057] 1300000 1302000 1206688 3204000 1240000 3000000 2350000 1360000
## [1065] 1598000 1205000 1385000 1800000 1205000 1285000 1138990 2998000
## [1073] 1600000 1267500 3345000 1800000 1289990 1699990 1500000 1898000
## [1081] 2950000 1240415 1299888 1180000 1200000 1510000 2321000 1480000
## [1089] 1130000 1135000 2300000 1325000 1250000 1485000 1600000 1900000
## [1097] 1750000 1275000 1258000 1275000 1940000 1830000 1175000 1149000
## [1105] 1550000 1300000 1242000 1270000 2900000 1274950 1139990 1880000
## [1113] 1800000 1399950 1839900 2230000 1240000 2351956 1698000 1350000
## [1121] 1500000 1999950 1488000 2065000 1174660 1765000 1987500 1750000
## [1129] 1720000 1459000 1150000 1555000 2238888 1865000 1408762 1378000
## [1137] 1450000 3000000 1325000 1881583 1375000 1700000 3567000 1222500
## [1145] 1575000 1537000
## 
## $bedrooms
##   [1]  1  6  6  6  1  6  1  1  6  6  7  6  1  6  6  6  6  1  0  1  1  7  1
##  [24]  6  6  6  6  7  6  6  6  1  1  6  1  6  6  6  6  6  1  1  8  6  6  6
##  [47]  1  6  6  6  1  1  1  6  1  1  1  6  6  1  6  6  6  6  6  6  6  6  6
##  [70]  6  6  6  6  6  1  6  6  6  6  6  1  1  1  1  6  1  0  6  1  6  1  1
##  [93]  1  6  1  0  1  6  6  6  1  1  6  6  1  6  7  6  6  6  1  1  1  6  6
## [116]  1  1  7  8  8  1  9  6  1  6  9  6  6  6  1  1  1  6  6  6  1  6  6
## [139]  6  7  7  1  7  0  1  6  1  6  6  6  1  6  6  1  6  6  6  6  6  6  1
## [162]  1  1  1  1  6  6  9  1  1  1  6  8  6  6  6  6  1  6  6  6  1  1  6
## [185]  6  0  1  7  6  6  6  7  6  1  6  6  1  6  1  1  6  6  6  6  6  1  1
## [208]  6  6  6  6  1  1  1  6  7  1  6  1  6  1  6  1  6  6  6  1  0  0  7
## [231]  1  1  9  1  1  1  7  6  6  1 11  1  1  6  1  6  1  6  8  6  6  6  1
## [254]  7  6  1  6  6  1  6  6  1  8  1  6  1  1  1  6  6  6  7  6  6  7  0
## [277]  6  6  6  1  1  6  0  1  6  6  1  1  6  6  1  6  7  1  1  1  6  6  7
## [300]  1  8  6  6  6  6  6  6  6  1  6  1  1  6  1  1  6  1  6  6  1  1  6
## [323]  6  1  6  6  6  1  6  7  1  6  1  1  1  6  1  6  6  6  1  1  6  1  1
## [346]  1  7  7  0  7  1  7  1  6  1  1  1  6  8  6  1  6  7  6 10  1  6  6
## [369]  6  6  1  1  6  1  6  1  6  6  6  7  1  6  1  7  6  6  1  1  1  1  1
## [392]  6  0  1  1  6  6  6  6  1  6  7  6  7  6  8  6  6 10  1  6  7  1  6
## [415]  1  6  6  7  6  6  8  6  7  6  1  6  1 33  6  6  6  6  7  6  1  1  6
## [438]  1  6  6  1  6  7  6  1  1  9  1  6  1  6  6  6  8  1  7  6  1  1  6
## [461]  6  1  6  1  1  6  6  1  6  1  6  1  1  6  1  1  1  6  6  1  6  1  0
## [484]  6  9  7  8  1  1  1  6  6  6  1  7  1  6  6  1  1  6  7  6  6  6  1
## [507]  6  1 10  6  1  8  7  1  6  0  6  1  6  6  6  6  6  1  1  6  6  6  6
## [530]  6  6  1  6  6  1  6  6  1  1  1  1  6  1  1  6  1
## 
## $bathrooms
##   [1] 4.50 4.00 4.00 4.75 5.00 4.25 4.50 4.25 3.75 5.00 4.00 4.00 4.25 4.25
##  [15] 0.00 4.25 4.50 4.50 3.75 4.50 4.00 0.00 4.50 5.25 4.00 3.75 4.50 4.50
##  [29] 4.25 6.00 3.75 4.25 4.00 3.75 3.75 4.75 5.00 3.75 3.75 3.75 5.00 4.25
##  [43] 3.75 4.00 4.25 4.50 3.75 4.00 3.75 5.00 3.75 4.00 3.75 3.75 4.25 4.00
##  [57] 4.25 4.25 4.50 3.75 4.00 3.75 5.00 3.75 0.50 4.00 5.00 5.00 4.50 5.50
##  [71] 4.25 4.00 4.50 3.75 3.75 4.50 3.75 5.50 4.25 5.50 0.00 5.25 4.25 4.00
##  [85] 4.50 3.75 3.75 3.75 3.75 4.25 4.50 4.75 3.75 3.75 3.75 3.75 3.75 4.50
##  [99] 4.25 4.00 4.75 4.75 3.75 4.50 4.00 3.75 3.75 4.00 4.00 3.75 4.75 4.50
## [113] 3.75 6.75 6.00 4.50 5.50 4.50 3.75 4.00 4.25 3.75 5.75 3.75 4.00 4.00
## [127] 4.00 5.25 4.75 4.00 4.25 3.75 4.00 4.00 5.25 3.75 3.75 3.75 4.50 5.00
## [141] 3.75 3.75 4.50 4.00 3.75 3.75 4.00 4.75 3.75 0.00 4.25 5.00 3.75 4.00
## [155] 4.25 4.00 4.00 4.50 4.75 4.00 4.00 4.00 4.50 3.75 3.75 4.50 5.75 4.75
## [169] 3.75 4.00 4.00 3.75 4.25 4.25 3.75 0.00 4.50 5.50 4.00 4.50 4.50 4.00
## [183] 4.50 4.25 8.00 3.75 4.25 4.00 3.75 4.50 3.75 4.50 4.50 4.50 4.00 4.25
## [197] 5.00 4.50 4.25 4.50 6.75 4.00 3.75 4.50 4.25 3.75 4.50 3.75 3.75 4.00
## [211] 7.50 4.00 4.00 4.00 4.25 3.75 4.50 3.75 4.25 4.25 4.50 4.50 4.25 7.75
## [225] 4.25 4.75 4.00 4.00 4.25 4.00 4.00 4.50 4.25 4.00 4.50 4.25 4.00 4.25
## [239] 3.75 4.00 4.00 4.00 4.00 0.00 4.50 3.75 0.00 4.25 4.00 3.75 5.00 3.75
## [253] 4.25 3.75 4.00 4.00 3.75 5.50 0.50 4.00 3.75 0.00 4.25 3.75 3.75 4.50
## [267] 4.00 4.00 4.25 4.00 4.50 4.50 4.50 3.75 4.25 3.75 4.50 3.75 4.25 4.00
## [281] 4.50 0.50 3.75 4.25 4.50 4.50 4.25 4.00 4.00 3.75 4.50 4.50 3.75 0.50
## [295] 4.25 3.75 3.75 4.00 4.75 4.50 4.50 4.00 3.75 4.00 6.00 3.75 4.00 4.25
## [309] 4.00 3.75 4.25 4.00 4.50 3.75 4.00 3.75 4.50 8.00 4.25 3.75 4.00 4.50
## [323] 4.25 5.00 5.25 3.75 4.50 4.00 4.75 4.00 4.50 3.75 4.00 5.50 3.75 4.75
## [337] 4.00 4.00 3.75 3.75 4.25 4.50 4.25 0.00 4.50 6.25 3.75 4.00 4.00 3.75
## [351] 3.75 3.75 4.50 5.00 4.00 4.50 4.00 4.25 4.50 3.75 4.00 3.75 4.50 4.75
## [365] 4.75 4.00 4.00 3.75 3.75 3.75 3.75 4.75 3.75 3.75 5.25 3.75 5.75 4.50
## [379] 5.00 4.50 5.00 3.75 3.75 4.50 3.75 4.25 4.25 4.00 3.75 4.00 4.25 5.00
## [393] 3.75 4.00 4.00 4.00 5.75 5.25 3.75 3.75 4.50 4.00 4.00 5.25 4.50 4.00
## [407] 3.75 4.25 4.00 4.25 4.50 4.00 4.25 4.00 4.25 4.50 3.75 4.25 4.00 4.50
## [421] 4.00 4.50 3.75 5.25 4.00 3.75 3.75 4.00 3.75 4.50 4.50 3.75 5.25 6.25
## [435] 4.00 4.75 4.75 5.00 5.25 4.50 4.00 3.75 4.00 4.00 4.50 3.75 4.00 3.75
## [449] 5.50 4.25 4.00 4.25 3.75 6.00 4.25 3.75 4.25 4.25 4.50 0.00 4.50 4.00
## [463] 4.00 3.75 5.00 3.75 3.75 3.75 4.25 3.75 4.00 3.75 4.50 4.00 4.00 4.25
## [477] 4.25 4.50 4.00 4.50 3.75 4.00 4.50 4.00 4.50 4.00 4.25 4.75 3.75 4.75
## [491] 4.00 4.00 3.75 4.50 5.25 4.50 4.50 3.75 3.75 3.75 4.00 3.75 3.75 5.50
## [505] 4.50 4.25 4.50 4.50 4.25 4.00 4.00 4.00 4.25 3.75 4.25 4.25 3.75 3.75
## [519] 4.00 5.50 3.75 4.00 3.75 3.75 4.50 4.50 4.25 4.00 6.50 4.50 3.75 3.75
## [533] 4.00 4.75 3.75 3.75 4.00 4.00 3.75 5.25 4.25 4.50 5.00 4.00 4.00 6.00
## [547] 5.00 4.00 4.00 4.50 3.75 4.75 4.25 6.00 3.75 3.75 3.75 4.00 4.00 4.50
## [561] 4.25 6.50 3.75 4.00 3.75 4.00 4.50 4.00 4.50 3.75 3.75
## 
## $sqft_living
##   [1]  5420  4770  4380  5180  4410  5050  5310  4550  4290  4290  4800
##  [12]  6070  4870  4860  4860  4410  4760  6050  4740  5403  4380  4640
##  [23]  6050  4370  4570  4670  4860  4270  4890  4390  4250  5670  4475
##  [34]  6070  4300  4390  8010  4460  4610  4380  4250  4930  7390  4640
##  [45]  5320  8000  6563  4740  5450  4440  4830  4280  4570  4370  5710
##  [56]  5620  5774  4470  4490  5040  5770  5180  6400  4490  6055  4250
##  [67]  6300  4350  4460  4340  4250  5110  4700  4910  4750  6840  4930
##  [78]  5180  5130  6640  5740  7350  4510  4300  4870  5020  4740  5370
##  [89]  4860  6930  6550  6110  4883  5010  4660  4600  4910  5410  4270
## [100]  4520  5340  5230  5370  4730  4430  5780  6240 10040  4250  5360
## [111]  4610  7480  5620  4340  7080  5760  4400  4280  9200  4320  4420
## [122]  4380  4580  5310  4660  4300  4240  5180  6810  4690  5830  4930
## [133]  5700  5990  5070  4750  4270  4750  5040  4890  4350  4280  6390
## [144]  4570  4350  4410  4430  4720  5450  4470  6410  6330  4250  4290
## [155]  5860  5990  4260  4360  4370  4440  4970  4940  7220  5480  4740
## [166]  4386  5440  4500  4700  4410  4240  4470  4650  5180  5400  4810
## [177]  4750  4490  7050  4370  4870  6210  4270 12050  4250  4360  4260
## [188]  5480  4530  5850  4280  4800  4240  4380  4320  5250  4330  4350
## [199]  5330  4560  4560  4540  7100  4580  5230  9640  4460  4410  5030
## [210]  5660  4330  5067  5270  5150  4380  4460  6430  4430  4610  4250
## [221]  4460  4420  5720  4500  4300  4530  5584  9890  5770  5540  5050
## [232]  5220  4340  4830  4850  5844  5530  4480  5270  5860  5545  4610
## [243]  4700  4440  5960  4420  5000  6510  4610  5050  4600  7400  5730
## [254]  4260  4490  5370  4350  4320  4720  5000  5440  6085  4250  5461
## [265]  4400  4470  6640  4620  5300  4380  4500  4850  4400  4290  4330
## [276]  4560  5000  4590  5000  6900  4570  5840  4980  4560  4340  5490
## [287]  4320  7420  4850  4310  4690  4780  4590  4370  5100  6200  4500
## [298]  4360  5280  7440  4610  4285  4430  4690  4450  4440  4600 13540
## [309]  6980  4270  4590  4300  4340  4390  5850  4460  4260  4590  6380
## [320]  4550  7880  4440  4330  4320  4470  4790  4500  5270  5370  4340
## [331]  5190  4290  4730  5350  7620  4430  6200  4410  5840  4320  5550
## [342]  5290  5290  5020  5480  8670  4480  4770  4930  4320  4420  5470
## [353]  5160  4570  4600  4370  4260  4780  4670  5770  4300  4980  4280
## [364]  6040  5310  4830  4790  5010  7000  4320  5600  6030  4830  4400
## [375]  5170  4670  4660  4680  4400  4560  4590  5310  5930  4240  4630
## [386]  4310  4720  4510  4560  4420  4510  5550  4390  4430  4240  5860
## [397]  5810  4700  4500  4250  5210  5110  5960  4640  7730  4285  4475
## [408]  4300  4620  4740  4610  5610  4270  4280  5090  4240  4270  4440
## [419]  5150  4310  4960  4510  4560  5480  5040  5120  4410  5550  6500
## [430]  4920  4480  4860  5190  4560  4820  5570  4340  4960  5240  8020
## [441]  4390  4575  5470  5540  5820  4670  4420  4290  7710  5020  4280
## [452]  7320  4270  4660  4410  4290  4690  4710  6630  5510  4720  5490
## [463]  4370  6490  4460  5300  4260  4440  4460  5080  4520  4360  4660
## [474]  4910  4270  5430  4600  4890  4310  4630  5610  4660  4270  5050
## [485]  5330  4590  4800  7850  4280  4420  4490  4645  4570  4700  5305
## [496]  4320  4670  4650  5120  5220  4340  4360  5060  4700  4920  4810
## [507]  5635  4410  4410  5550  4270  4420  4690  4280  6670  6530  4640
## [518]  5350  6370  4360  4470  5790  6260  4600  4390  5780  4700  4410
## [529]  4490  4750  4360  5790  6160  4360  4490  5370  4500  5940  4700
## [540]  4450  5520  4495  4240  5190  7120  4390  4490  4370  5430  5010
## [551]  4680  5640  6880  4350  4460  4310  5230  4590  4620  4360  7270
## [562]  4920  5150  4300  5090  4420  4410  4350  4500  4850  4910  4470
## 
## $sqft_lot
##    [1]  101930   19901   44867   34848   24186   65005   21235   20158
##    [9]   50094   50529   35102   39683   41800   36847  107593   33919
##   [17]   28037  111078  315374   60984   19850   25245   38332   21000
##   [25]   35003   66211  155073   33474   19436   28040   94300  221284
##   [33]   36224   40510   20100   57346   26300   49375   22111   78408
##   [41]   64904   45004   43995   20000   32633   19800   77972   29970
##   [49]   40438   69415  209959   26977   25600   22357   40139  143947
##   [57]   32239   37461  174240  171626   27260   19700  219978   24920
##   [65]   20978   28025  181319   19635   57063   39150  194278  230652
##   [73]   36947   76230   24069   40518   29242   29170  108900  217014
##   [81]   22370   75794   84942  217800   32666   31465   34293   26326
##   [89]   36400   55867   22267  209523   19252   23488   25958   26055
##   [97]   39478   51836   37769   72745   22594  218252   31400   23680
##  [105]   40419   34133   36276   40097   36085   57381   24931   25600
##  [113]   30736   35287   23899  213444   25341   28243   50308  262018
##  [121]   35026   22410   47916   23568   43101   24759   20917  217800
##  [129]   44431   47045   21810   54160  242629  114562   35021   84267
##  [137]   57000   41900   28300   21357   35679   32175   27007   43377
##  [145]   40319   45517  103382   40259  101930   40202   27951   27631
##  [153]   23625   81892   81549  102366   37981   47044   21780   99752
##  [161]   28717   25714   24829   31238  220308  133729   79714  100545
##  [169]   22703  122038   35040   20041   21650   41346   73600   80837
##  [177]   20000   35000   21399   37034   23985   21937   20412   35015
##  [185]   27311   35040   40635   28563   41263   32670   21312   45302
##  [193]   47044   35000   49091   24773   46748   74052   43733   37058
##  [201]  206910   29078   35722  142803  204732   35298   38639  131115
##  [209]   28405   46580   36036  360241   56628 1651359   51836   36900
##  [217]   20296   53898   33981   53392  134489   33460   22863  306848
##  [225]   41656  156988   24663  183823   36831  206480   27589   26989
##  [233]   19680   19680   42436   52953   37000   28052   26337   31675
##  [241]   51763   23200   33920   21780   24825   96574   26487   33132
##  [249]   40946   52256   85813   87120   35679   20100   40098   35020
##  [257]   26000  150117   97138   57050   24700   46609   21300   19606
##  [265]   36246   26784   40946   70567   74495   76665   22334   43645
##  [273]   20805   22500   57063   69834   34982   37533   46609   21514
##  [281]   21630   26460   45738   19387   20873  216777   41600   37169
##  [289]   51177   23085   58712   21486   20685  217800  105587   35636
##  [297]   44431   99916   19602   38412   81892   24000  248600   64073
##  [305]   42077   51836   29982   35000   43560   37801  216332  219978
##  [313]   53250   39639  223377   49936   43821   35868   57587   33630
##  [321]  189486   30886   30605   43123   40014   41072   40341   37522
##  [329]   65340   20946   36583   45963   25002  389126  155130   36445
##  [337]   32214   50965   21344   50405  174240   39190   43575   57499
##  [345]  108464   37363  423838  126759   43995  175982   19998   19200
##  [353]   24755   60467   20000   40608   35752   54014   42580   57499
##  [361]  403365  505166   19600   23885   46609   20000   41167  218235
##  [369]   45100   40705   39098  211576   45133   47480   22482   21043
##  [377]  217374   21929   30869  241322   59058   36171   32044   73616
##  [385]   20868   36704   48993   38009   26040   19550   89298   49222
##  [393]   35996   40278   38509   67369   50094   27591   21794   32660
##  [401]   57514   37616   88426   42316   38125   27586   20377  115434
##  [409]   35001   43386  105415   27072   24829  199940   43088   20000
##  [417]   67953   20000   21262   41275  290980   77972  235224   22489
##  [425]   42733  157875  212137  206910   35235   46902  273556   20150
##  [433]  349351   35225   41339  217800   54557   28005   33278   27540
##  [441]   31838   48693   26500   68479   22000   29163   34513  208652
##  [449]   45738   89298   23000   84506  104544   24800   47916   21587
##  [457]   33080   27427   20280   32700  264844  212639   20130   94960
##  [465]  223462  138085   42253   37431  118918   42200  327135   93218
##  [473]   23994   42399   47480  130680   95396   38016   37325   19700
##  [481]  206474   35016   38038   55321  982998   25800   20242   35091
##  [489]  111513   25700   37800   98881   38644   22651   49137  115434
##  [497]   41664   59677   42000   22100   54450   28750  237402   20531
##  [505]   21907   21100   40910  189852  387684   38912   22100   57063
##  [513]   20870   19600   22000   32033   60840   38500   29111   62310
##  [521]   50529   60548   99170   42180   35315   80471  207346   20734
##  [529]   44866   32450   24691  196020   52272   22000  217800   21336
##  [537]   39848   19513   88327   75889  189486   78225  435600   59677
##  [545]  268329  262666   27702   35069   35991   30476   81021   49658
##  [553]  368517   22072   38869   40816  100835  982278   35236   42769
##  [561]   50479   87497   44431   24684  106722   46173   34870   60548
##  [569]   37373  108900  843309  177657  228254   35691   31798   39640
##  [577]   28516  197326  216493   19850   43995   33750   63118   23954
##  [585]  130244   63991   44093   75132   22703   32670  117612   45738
##  [593]   56628   36183   35261   48787   31510   20524   39370   47250
##  [601]   94525   25175   78408   37904   35621   19501  110579   36384
##  [609]   35880  224334   78408   20700   20700   35273   88909   72309
##  [617]   20023   22860  217800   38985  118047   41250   43647   85377
##  [625]  131116   34335   36254   20446   19850   36817   77536   74390
##  [633]   20000   35782  108900  111078   60123  434728  214315   81893
##  [641]   33747   94525   28185   40575  150282   20018   40106   25697
##  [649]   54450   33801   19991  392475   26359   43847   35012   55387
##  [657]  150270   43560   27007   62365   35062   43017  118483   87213
##  [665]   32780   23400  213879   30007   20466  108900   89298   40946
##  [673]   29163   67518   54048   23522   43560  100681   53574   98881
##  [681]   50094   22081   19978  105850   40003   41325   51836   19709
##  [689]   21780   35536   62726   23781   20588   20720   35000   21890
##  [697]  112750   43710  110642   19821   41041   28014   19593   42733
##  [705]   24500  100623  188760  218472  204296   52272   34290   31850
##  [713]   25211  159865   29224  111514   86636   36218   34680   22651
##  [721]  292288   74358   24501   25150  132858   21000  217800   48257
##  [729]   29347   20412   39848   60720   28750   35074   45738   69260
##  [737]   28600   85728   20301   37843   22518   31796   25500   43838
##  [745]  169448   43560   34991  219106   53143   19843   40386   21096
##  [753]   32234   36601   22547   61419  175421  167706   48743   48292
##  [761]   36116   64469   19602   19439  241200   75794   20000   21000
##  [769]   35218  190357   21138   35008   60392  215186   59242  191228
##  [777]   24969   30144   28718  210254   35438   30083   22486   33888
##  [785]   39446   20620   37500   25641   20031   91681   37642  101494
##  [793]   19193   41022   21562   21562   35000   56192  203860   34175
##  [801]   34689  218235   52769   87991  223462   35255   19401   34527
##  [809]   97574   65340  208737   38258   42800   21074   40887  217800
##  [817]   47502   41984   19876   20012   45738  239580   28000   28000
##  [825]   28535   27820   32757   19800   28046  920423   34947   35009
##  [833]   26036   35271   32109   53143   28703   45860  112521   19900
##  [841]   98445   45738   40973  219978   25663   25639   36893   86225
##  [849]   38095   41688  108464   50112   71191  119790   66646   20562
##  [857]  209199   21904   52567   24740   28008   87120   21701   24767
##  [865]   47480   60113   42840   82328   23962   19487  231739   20277
##  [873]  256132  881654   23760   37193   38794   19877  131551   20954
##  [881]   76877   45738   46786   34040   48788   20181   57499   43124
##  [889]  438213   27600   24603  189050  217800  187313   47958  577605
##  [897]   24354   37089   47916   78408  258746   35070   23891  123600
##  [905]   19370   31747   51354   44866   25993   21578   49149   20925
##  [913]   31314   49658   49044   39449   74052  198198  107157   54707
##  [921]  196995  100188   48352  219527   47480   19500   77603   30480
##  [929] 1074218   35075  145054   22098  145490   19210   38088   19969
##  [937]   27000   48351   70131   24650   38448   27505   55756   21780
##  [945]   67269   68824   34000 1024068   24437   30056  223898   43093
##  [953]  215622   24330   25248   22605  263538   90968   49658   19767
##  [961]   37200   33825   20053   36862  149410   22508   31564   27122
##  [969]   34848   39964   19570   26400  171190   19585   21375   27007
##  [977]   39000  233481   43560   30000   35100   34222  122403   41811
##  [985]   25741   34528   53696   46638   20001   39586   20553   78408
##  [993]   59612   36769   57063   37045   98445   24550  193593  286181
## [1001]   39634   29258   21785   20104   21750   21115   32718   20193
## [1009]   35280   43301   33671  210395   21804   47044   48351   65501
## [1017]   53428   67518   49222   27441   43000   36665   36585  453895
## [1025]  107386   26615   19785   33826   27972   34830  185130  230868
## [1033]   35169   87555   44001  118047   49223   22445   50994   54885
## [1041]   43560   34848   21465  295772  115670  185130   20339  125452
## [1049]  269345   26571   27517   43560  165528   19965  266587   32340
## [1057]   38781   26375   39529   21883   25046  339332   37647   33664
## [1065]   35988   49503  169448   60960   52707   22081   28270   52322
## [1073]   51212   21043  209088   23345   83200  313672   83199  117176
## [1081]  229125   61855   21370   21494   30410   52062   22029   28000
## [1089]   35245   27468   51836   20828  206474   22588   36820   31215
## [1097]   31720   38449   43186   25995   38043   47480  324086   41236
## [1105]   19386  213008   44000  265716   52826   20900   24805   24440
## [1113]   49709  123710   27350   28212   51649   38707  108366   34395
## [1121]   36210   83199  499571   91911   46382   62290   35100  222156
## [1129]   47480   22873   68257   31374   50654   22870   57499   57499
## [1137]  108900   24750  217805  186436   19200   35267   87625   47916
## [1145]   37913   25990   21318   43560   31584  202554   23779   67319
## [1153]   37075   70567   46538   89640  141570   44866  214750   44431
## [1161]   49222   60984   37096   26670   47050   41382   40902   42646
## [1169]   29004   95832   22764   20251   32380   55321   19703   31497
## [1177]   38816   28600   30940  217800   91476  114127   54450   19204
## [1185]   35689   67518   52889   48994   55847   19163  214315   53578
## [1193]   36136   27598   21894   20822   33503   31626  871200   22050
## [1201]   35362   21183   35060   22464   20700   38377   42689   24046
## [1209]   33980   36256   83231   38865   49658  147823   20668   50662
## [1217]   20197   27442   43995   45528   36342  239144   32807   35108
## [1225]   34200   49542   32909   22500   20383   35273   19783   30166
## [1233]   47044   35127   51400   38677   22795   41206   82764  223027
## [1241]   24897   23265   36562   32417   26761   50965   57063   41338
## [1249]   35201   27566   34092   45902   43995   27295   77550   94525
## [1257]   23660  322188  186872   21780   23478   35123   44947  209523
## [1265]   44374  208216   47044   94089  215186  179419   19454   56609
## [1273]   48037   23244   32430  323215  336283  308080   81892   23790
## [1281]   20450   40588   20107   55931   56192   20609  180263   54450
## [1289]  266151   21303   52983   40173   42247   34238   77536   35346
## [1297]   51908   25160   97661   35265   29699  224769   76665   57499
## [1305]   35081   22672   64468   20820   30649   30346   38900   43560
## [1313]  237402   71874  142725   35021   20666   57063   23326   65340
## [1321]   22880  422096   28500   92347   54450   33000   54450   22326
## [1329]   60373   81021  117176   19200   26266   46609   53330   23180
## [1337]   40510   43692   35073   19923  104108   64033   20793  168000
## [1345]   53400   38180   21781   21781   20251  108464   26211   66613
## [1353]   28703   35153   20682   67756   21870   44967   36537   21052
## [1361]   54014   19865  129808   29043   52707   37451   24539   27081
## [1369]   41458   46609  156816   20400   32496   35283  219542   26162
## [1377]   19283   85377   42159   31411   53882  250470   38012   35362
## [1385]   19988   21303   21303   33310   35070   28300   21158   35000
## [1393]   72309   26540  226076   65340  244716   61014   32565  101529
## [1401]  188200   31941   74487   35802   40752   43350   20349   24792
## [1409]  189486   32840   21744   21450  167869   36450   80150   33106
## [1417]   42884   23522   92347   28008  217800   94525   38141   65836
## [1425]   20440   39960   27810   37122   27806  284011  137565  217882
## [1433]   35100   54315   21802  213008   22343  100623   39639  104108
## [1441]   23522   29930   93218  210830  273556   30378  244807   43560
## [1449]   36114  148975   39639   41804   49928  385506  222156   54977
## [1457]   59800   20281   28001   20445  329903   23373   20400   21780
## [1465]   91158   20011   20875   21480   42981   21010   23030   28324
## [1473]   52889   31931   33151   21540  213879   49428   21275  361548
## [1481]   60872   35640   22693  136915   24300   29110   60548   22725
## [1489]  280962   67953   64694   65556   75794   73616   40250   54014
## [1497]   50800   47419   35610   31353   35430   52595   57934   40500
## [1505]   21064   31705   22120   65558   44866   53578  103672   23900
## [1513]   26642   36300   58370   22320   23250   59863   51396  220414
## [1521]   28710  426452   38119   25157   28298  307752  257875   57538
## [1529]   34925   30185  216493   21727   22710   23100   23100   19200
## [1537]  196817   34041   91476   35736   25807   52476   59677   36000
## [1545]   44431  507038   35010   24604   94960  286355  203861   19747
## [1553]   19607  128502   42966   25474   50595  715690   26413   33305
## [1561]  139392  251460   40392   25277   29013   22496   42500   43056
## [1569]   32112   19966  224769   70407   94089   30456  117176   27441
## [1577]  193406   24319   20240  220300   62290   20423   22885   46173
## [1585]   24192  223027  217800   27760   39704   37950  100188  435600
## [1593]   20824   46609   32481   19200  199253  199253   36446   43177
## [1601]  223462   20150   78843   42070   26136   88714   54013   24250
## [1609]   59677  127631   76531   38461   43995   34548   27075   47480
## [1617]   26720  432036  209523   20040  641203   41550  212137   34670
## [1625]   24700   20283   30884   78843   48787   27332   19225   46644
## [1633]   48787  203425  167125  210201   77574   45613  221720  403693
## [1641]   61419   39927  426450   22443   53357   35124   33661   99752
## [1649]   20750  262231  158558   35200   19275   89298   37076  106722
## [1657]  136290   22194   20388   49765   43787   25500   45254   33578
## [1665]   23400   35654   33600  365904  150945   20274   98445   31920
## [1673]   65340   41343  435600   70131   67475   23819   20785   81892
## [1681]   24586   26831   27200   47870   21780   58488  344124   29536
## [1689]   45738   21000   32500   41000   41194   43560   58157   48076
## [1697]   39000   27319  219978   24190   58806  252648   30120   27144
## [1705]   22080   32700  113691   26600   22421  224442  224442   67082
## [1713]  217800   36356  217852   32219   47044   33750   26099   30456
## [1721]  102366   23522   26319   37565   22702   33042  165092   79279
## [1729]   63597   63597   30689   43560   43560   65340   25705   23550
## [1737]   79279   64033   19400   57599   25038  209088   54059   28064
## [1745]   21876   23750  107362   42717  155509   24750   28480   29136
## [1753]   61419   85226   31570   19449   22093  443440   43170  102366
## [1761]   29985   26000   43748  247421   19550   21675  107157   21000
## [1769]   21893   24170   46609   42247   34412  200811   44315   81021
## [1777]   19271  103237   35445   52333  123710   19831   21183   21392
## [1785]  211266   28433   21600   43560   19965   92782   64438  205603
## [1793]   47318   22763   31505  288367   36615   60984   36360   25000
## [1801]  118047   23505   23115  113862   55764   26445   20000   19991
## [1809]   41689   19206   35400   36509   24684   35083   67953  188465
## [1817]   53578   48096   25992   33976   27008  183387   88426   21600
## [1825]  219542  128502   42180   35741   63737   27699   22257   22470
## [1833]  217697   25412   21000   22040   19485   22239   61419   23292
## [1841]   22572   28650  383328   28800   23972   34460   33158   49658
## [1849]   20672   45514   35380   41250   22000   22499   29539   28206
## [1857]   35429   22043   70567   39094   48716   32997   21850   19354
## [1865]   56192   78844  108900   35150   37238  103237   32250   21441
## [1873]  107157  103672   39317   53173  139392   35600   47044  186846
## [1881]   45732   19405  228690   35160   87991  213008   26943  153767
## [1889]   21780   56628   38400   21164   38186   74297   43608   68841
## [1897]   28185   35900   54000   36721   20100  321908   35124   27153
## [1905]   45738   22767  136778   90169   24466   23925   25710   23544
## [1913]   23065  226097   24054  217800   20345  435600   35512  226512
## [1921]   39356  129578   30184   33090   20348   20021  210830   34981
## [1929]   34800   43560   19874   40250   21343   32880   26574   72309
## [1937]   35171   44634   19744   91911   32467  128066   24140   42693
## [1945]   21340   29185   37120   40918   22896   19180  623779   36250
## [1953]   20662   20759   21755   36974   37258   25732   19270  209523
## [1961]   39430   28078   23000   48706   68519   33206   20040   43124
## [1969]   57745   21834   40312   25752   38884   45537  213008   22326
## [1977]   44384   35233   27042   55321   59586   39160   22089   20441
## [1985]   34939   35765   44431   19899   28531  107290   50123   20189
## [1993]   39165   32010   20000  131790   43332   32710   39932   36585
## [2001]   45234   35100   35617  230868   31491   25000   19860   90169
## [2009]   19290   31299   20424   19844   39189   36465   32251   96703
## [2017]  172497   25870   70800   81935   73151   22529   20812  144619
## [2025]   48787   85643  383328   23870   47179   20384   37264   35757
## [2033]   20067   23669   36558   21883   56192  478288   21485   27003
## [2041]   21780   65775   21455   42998  161913   40039   37277  213008
## [2049]   36478   21400   33740   69351   20894   43560   82764   23321
## [2057]  117176   53143   21208   19865   54380   50094   19542  158558
## [2065]   34850   21712   38546   60112   23809   36680  136343   34498
## [2073]   60984   32093 1164794   45738   39049   43700   30500  501376
## [2081]   47959   80400   82031   32379   35200   29308   20005   20001
## [2089]  246114   19864   23361   45302   23103   57499   50002   71002
## [2097]   53578   41147   21806  120661   34560   19200   57990   81021
## [2105]  533610   74052   43216  210394   62290   28254   38615  105850
## [2113]  223463  234788   28176   95396   21190   34510   59241   47743
## [2121]   30570  117378  203425   43091   94855   36200   48351   48351
## [2129]   19989   27215  216344   40600  101930  542322   24074   26114
## [2137]   24123   23400   45302   79993   29735  108900   54160   36762
## [2145]   44550   49658   39460   43560   81893   35169   20590   39324
## [2153]   22798   32772   19447   40642   32109   35183   20000   20063
## [2161]   23160  137214   23723   48787  219106   39768   23716   40471
## [2169]   46173   25661   21320  118666   41636   41300  217800   35120
## [2177]  159865   49222  435600   26051   32336   53578   31200   46355
## [2185]   54846   50155  320917   68377  112384   21738  128937  213444
## [2193]   35500   24085  176418   43560   38350   35071  213444   37982
## [2201]  250905  257875   24166   43950   20570   42775   49658   37607
## [2209]   53628   49658   21050   37800   26862   54450   21980   25470
## [2217]   50233  217800   77972   37011   45535   22144   37026   87117
## [2225]   44431  109336   32137   48351   30409   29597   54400  212137
## [2233]   49456   21217   22814   19168  214315   35192   37042   58341
## [2241]   20445   52302   19177  235063   24318   40962   76230   21196
## [2249]  147856   55756   21781   54014  435600   35912   22000   50951
## [2257]   43560   22652   21374   97138  184140   46173   53941   66211
## [2265]   34412   19530  111949   35150   39413   40813   30122   35440
## [2273]   27345   26742   36900  100188   26329  234352   35000   26500
## [2281]   22100   40284  192099  144183   24237   23623  493534   27227
## [2289]  115434   35025   28593  167270   19745   19897  422967   29252
## [2297]   50965   54450  216057   45302   40946   47044   19800   46173
## [2305]   33224   21344   37034  213008   19250   26127  103672   90796
## [2313]  219542   98445   37430   38830   22040   20000   30200   26027
## [2321]   32647   22215   32700   52272   38032  292723   35889   26650
## [2329]   88426   20790   68825   22649   27755   92721   38322   20875
## [2337]   24004   20369   40164  251341   23507   87120   19798   34500
## [2345]   63162   26895  159865   43560   19672  108900  125452  218506
## [2353]  231303   19842   35306   23512   35415   24527   31550  144619
## [2361]   89651  107157  415126   95950   51836   74052   64626   28213
## [2369]   41327  207781   64441   61419  213073  270236   30250   23786
## [2377]  249126   42755  503989  207141   43560  871200   26772  205603
## [2385]  285318   39553   47480   46173  161607   31450   32400   27251
## [2393]  374616   27490   60086   43832   77832   69848   22653  215186
## [2401]  275033   40806  151588   25020   21477   21195   54014   19412
## [2409]  384634   35006   47480  279968  276170  104979   66250  159430
## [2417]   24750   22000   35046  130208   62726  130017   50621  108865
## [2425]  184231
## 
## $floors
## numeric(0)
## 
## $waterfront
##   [1] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
##  [36] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
##  [71] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
## [106] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
## [141] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
## 
## $view
##    [1] 3 4 2 4 3 2 2 3 2 2 3 2 2 3 3 4 2 2 4 2 4 2 1 2 3 2 4 2 4 3 3 2 2 2
##   [35] 2 2 1 4 2 2 2 3 2 1 2 2 2 1 1 2 3 4 2 3 3 1 2 4 2 1 3 1 2 2 4 3 2 1
##   [69] 1 2 2 3 2 3 1 3 4 2 4 1 2 3 2 2 3 2 2 3 2 2 1 2 3 3 1 3 2 1 3 3 3 2
##  [103] 3 2 2 3 2 4 2 4 2 2 3 4 4 1 4 3 3 2 2 3 3 2 2 2 3 3 1 4 2 1 2 1 4 3
##  [137] 1 2 4 4 3 2 2 1 3 4 2 2 2 2 2 2 3 2 2 2 2 2 3 2 3 2 2 1 3 2 1 2 2 2
##  [171] 2 2 4 2 3 1 1 3 4 2 2 1 3 2 3 2 2 1 4 2 3 4 3 2 3 2 1 3 2 2 1 2 2 3
##  [205] 3 2 3 4 3 1 2 3 2 2 3 2 4 4 4 3 2 3 3 2 2 3 4 3 4 1 2 3 3 2 2 2 2 2
##  [239] 1 2 2 2 2 2 3 3 2 1 3 3 1 2 1 4 3 2 3 3 3 4 2 2 2 2 2 3 2 3 3 4 4 2
##  [273] 2 1 4 2 3 1 2 4 1 2 1 1 1 2 3 2 4 2 3 2 4 2 2 2 2 2 3 3 1 3 1 2 1 2
##  [307] 4 3 2 2 3 2 1 2 2 1 2 2 3 2 2 4 1 2 2 4 1 2 2 3 2 3 1 1 2 2 2 4 2 1
##  [341] 3 3 3 2 4 4 2 1 3 1 1 1 1 3 2 1 1 2 3 2 2 1 1 3 2 4 2 2 2 2 3 1 1 2
##  [375] 2 1 4 2 4 2 4 1 1 3 1 2 2 2 4 1 3 3 2 2 2 3 1 3 3 1 2 2 2 2 4 3 3 2
##  [409] 2 3 1 2 2 2 4 3 2 2 2 2 1 4 2 2 2 2 2 2 3 3 4 1 3 4 1 4 2 2 1 2 1 2
##  [443] 4 2 3 4 3 3 3 4 1 1 4 3 2 3 4 4 4 4 3 4 1 4 2 3 1 2 2 1 2 4 1 2 3 2
##  [477] 2 2 2 2 3 2 3 1 2 3 3 3 4 2 2 2 2 2 2 3 4 3 3 1 1 1 2 2 1 3 4 2 2 2
##  [511] 2 1 1 2 1 3 2 1 2 2 2 3 4 2 3 2 1 2 2 3 4 2 2 3 2 2 2 2 2 1 2 2 2 2
##  [545] 2 1 2 2 2 3 2 2 3 1 2 2 2 1 2 2 2 2 3 2 1 2 2 3 1 2 3 2 2 2 4 4 2 2
##  [579] 3 2 4 1 3 3 4 2 2 4 2 3 2 2 2 2 2 4 3 3 2 4 1 2 2 1 3 2 3 2 2 3 2 2
##  [613] 4 3 2 1 2 3 2 1 3 4 2 3 2 2 2 2 2 2 3 4 2 2 1 4 2 2 1 2 4 2 3 4 2 4
##  [647] 1 3 1 1 1 4 3 2 3 1 4 1 2 3 3 4 2 4 4 3 3 3 2 3 2 1 2 3 2 2 4 2 2 1
##  [681] 3 2 3 1 3 2 4 2 4 2 2 2 3 1 2 2 3 1 3 2 3 2 2 3 2 2 2 3 1 3 1 2 1 2
##  [715] 2 3 3 1 2 3 2 3 1 2 2 3 2 2 3 2 3 4 3 4 1 2 2 3 4 2 2 2 3 2 2 2 4 4
##  [749] 2 3 2 1 2 4 3 4 1 1 2 2 2 1 3 2 1 3 3 2 3 4 1 1 2 1 3 1 1 2 2 2 3 2
##  [783] 2 2 2 3 2 3 3 2 4 3 1 4 2 2 2 3 2 3 2 3 1 2 2 2 3 3 3 1 3 2 3 2 1 4
##  [817] 2 3 2 3 4 2 2 2 4 3 1 1 4 2 4 2 3 4 2 2 2 4 2 2 3 1 4 2 1 4 1 4 3 3
##  [851] 3 1 2 4 1 3 1 2 2 1 1 3 4 2 3 3 2 3 2 3 3 2 4 1 1 4 1 2 1 2 3 2 4 3
##  [885] 3 3 2 2 2 2 2 3 3 4 3 3 2 1 4 4 1 4 2 2 2 2 3 2 2 3 2 3 2 3 1 3 2 2
##  [919] 2 2 3 2 2 4 2 4 2 3 4 4 2 3 1 2 2 1 2 4 2 4 4 3 4 1 4 2 4 4 2 2 3 4
##  [953] 4 1 1 2 2 2 2 2 2 2 1 1 1 2 2 2 1 2 2 2 2 3 1 1 1 3 2 3 2 1 1 2 1 2
##  [987] 2 2 1 2 2 2 2 1 2 2 2 2 1 1 2 2 3 4 4 3 1 2 2 2 2 2 2 4 2 2 1 3 2 2
## [1021] 2 2 3 2 3 3 3 1 2 4 2 2 2 3 2 2 2 2 2 2 4 2 2 2 2 2 2 4 1 4 3 3 2 3
## [1055] 2 4 1 2 2 3 3 2 2 2 4 3 2 2 2 2 3 2 2 1 2 3 2 3 4 1 1 3 3 4 3 3 3 2
## [1089] 2 2 1 2 3 3 1 3 1 2 3 4 2 4 2 2 3 2 3 2 2 1 1 3 2 1 3 4 3 2 1 4 2 1
## [1123] 3 4 2 2 2 4 2 2 4 2 2 2 2 3 4 1 4 2 1 2 3 2 2 2 3 3 4 2 2 2 4 4 2 3
## [1157] 2 2 2 2 1 2 4 4 2 4 2 4 2 2 1 3 3 1 4 1 3 2 3 3 4 3 2 4 3 2 3 3 1 1
## [1191] 2 4 4 1 4 3 3 2 2 2 2 3 2 3 1 2 3 3 1 3 3 2 2 3 3 3 2 4 4 4 2 3 2 2
## [1225] 3 2 2 2 2 3 3 2 2 2 3 3 1 2 2 2 3 2 4 2 2 2 3 1 1 3 2 3 1 3 4 1 1 2
## [1259] 4 2 2 3 1 2 2 2 2 1 2 3 4 2 4 1 2 4 3 2 2 3 3 2 3 3 3 4 2 2 2 4 3 2
## [1293] 2 2 2 2 4 4 2 3 3 4 3 2 4 4 3 2 2 4 4 2 3 2 4 4 2 1 2 2 1 2 3 3 2 1
## [1327] 2 2 4 2 1 4 2 1 4 2 2 2 3 2 1 2 2 1 1 3 3 3 4 3 1 3 2 3 4 4 2 3 4 2
## [1361] 1 3 2 2 2 2 2 3 2 2 1 3 2 1 3 4 2 4 2 4 1 4 3 4 4 4 2 2 2 3 2 2 2 2
## [1395] 3 4 3 2 3 4 4 2 2 3 2 2 3 3 3 3 2 4 2 4 4 3 2 3 2 1 2 2 1 2 2 1 2 2
## [1429] 2 3 4 3 2 2 3 1 3 3 2 1 3 2 3 2 4 2 3 4 2 3 1 2 4 2 4 3 3 2 2 4 2 3
## [1463] 1 2 4 3 2 1 2 2 4 1 1 3 3 1 2 3 2 4 4 2 2 1 3 3 3 3 1 3 4 2 2 2 1 3
## [1497] 2 2 2 2 2 2 4 3 4 2 2 4 2 3 4 2 3 3 1 2 4 1 2 3 1 2 4 2 1 2 2 3 4 2
## [1531] 2 1 3 3 2 2 2 2 4 2 3 2 4 4 3 2 2 2 2 4 4 2 3 4 2 4 4 3 4 4 3 4 4 2
## [1565] 3 4 2 2 3 1 4 3 1 2 4 2 3 1 1 3 2 2 4 1 1 3 4 4 3 2 3 1 2 3 1 2 1 4
## [1599] 4 1 4 4 3 2 4 2 1 2 4 1 1 2 1 3 3 1 2 1 2 2 2 1 2 2 1 2 2 3 1 2 3 3
## [1633] 2 2 3 1 2 2 2 2 2 2 2 2 2 2 2 2 4 2 2 1 2 2 2 4 2 2 4 4 2 2 1 2 2 2
## [1667] 2 4 3 2 3 2 3 2 2 2 2 3 4 3 3 3 2 1 2 2 1 4 2 3 1 1 3 3 1 3 2 4 1 3
## [1701] 2 2 3 2 3 2 2 4 2 2 2 2 1 2 4 2 4 2 3 1 2 2 2 4 4 2 2 1 3 2 2 2 2 2
## [1735] 1 2 2 2 4 2 2 1 2 2 3 3 4 3 2 3 3 3 1 3 3 2 3 4 4 1 4 4 3 2 2 1 2 1
## [1769] 2 1 2 4 2 2 2 1 2 2 2 3 2 2 3 4 3 3 3 2 2 2 2 4 2 2 3 4 2 2 3 2 2 3
## [1803] 4 2 1 2 2 2 3 2 2 2 2 2 4 4 2 1 1 2 2 3 1 2 2 1 3 3 2 2 1 3 1 4 2 2
## [1837] 3 2 2 3 2 3 2 1 2 2 2 2 2 2 1 4 2 2 3 3 2 2 3 2 2 4 2 2 3 2 2 2 3 1
## [1871] 2 4 3 2 4 2 2 1 1 4 1 1 1 3 3 4 1 2 1 3 3 3 4 2 2 3 2 2 2 2 3 4 2 1
## [1905] 4 3 4 2 1 2 2 4 1 3 2 3 4 4 4 2 4 1 3 3 4 2 2 2 3 3 3 2 3 3 4 3 1 1
## [1939] 3 3 2 2 4 4 2 3 2 4 2 4 3 3 3 1 3 2 2 4 2 2 1 3 2 3 2 2 3 2 1 1 2 2
## [1973] 3 1 2 1 2 4 2 1 1 2 1 1 2 2 2 3 3 1 1 2 2 2 2 2 3 3 2 2 1 4 3 1 4 3
## [2007] 3 3 2 3 2 2 2 1 4 2 2 2 4 1 2 2 3 2 4 4 1 4 2 2 3 2 3 3 3 4 2 2 3 1
## [2041] 4 3 1 2 2 3 3 3 4 2 2 1 1 4 2 2 3 2 3 1 3 2 1 3 3 1 2 1 2 4 3 2 2 2
## [2075] 2 3 3 2 3 1 4 3 2 2 2 3 3 2 1 2 4 2 2 1 2 3 2 4 2 3 2 1 2 2 3 2 3 2
## [2109] 1 2 2 1 2 2 3 2 2 3 3 2 4 2 2 2
## 
## $condition
##  [1] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
## 
## $grade
##    [1] 11  5 10 11 10 10 10 10 12 10  5 10 10 10 10 10 10  5  5 11 11 10 10
##   [24] 10 11 11  4 10 10 10 11 10 10  5 12 11 10 10 10 10 10  4 10 11  5 11
##   [47] 10 10 10  5 11 10 12 11 10 10 11 10 10 11 10 11 10 10  5  5 12 11 10
##   [70] 10 10 11 12 11  5  5  5 10 10 10 10 10 10 10  5 10 10 10 10 10 11  4
##   [93] 10  5 11 10 11  5 11  5 10  3 10 10 12  5 11 10 10 10 10 10 10 10 12
##  [116] 11 12 10 10  5 11 10 10 11 10 10 12  5 10 10 11 10 10 10 10 10 10 10
##  [139] 11 10 10 10 10 10 10 10 10 11 12 10 10 10 10  5 10 10 11 11 10 10 11
##  [162] 10 11 10 10 10 11 10 11 10 11 10  5 10  5 10 10 10 10 11 10  5 10 10
##  [185] 10 11 11 11 10 11 10  5 10 10 10 10 12 12 10 12 10 10 11 10 10 10 10
##  [208] 11 10 11 11 10 11 10 10 10 10 10 10 10 11 10 12 11 10 10 11 10 11 10
##  [231] 10 10 10 10  5 10 10  5 12 10 10 10 10  5 10 10 10 10 10 10 12 11 12
##  [254] 10 10  5 11 11  5 10 11  5 10 12 10 10 10  3 10 10  5 10 10 11 11  5
##  [277]  5 10 11 10  5 11 10 10 10 10 10  5  5 11 11 11 10  5 10 10 10 10 10
##  [300]  4 11 10  5  5 11 10 11 10 10 10 10 10 11 10 10 10 10 10  5  5 11 11
##  [323] 10 11  5  5  4 10 10 11 11 10 12  5 10 10  5 10  5 11 10 11 10 11 10
##  [346] 11  5 12 10 12  5 10 11 10 10 11 10  5 10 10 10  5  5 11 11 10 13 10
##  [369] 10 10 11 10 10 11 11 11 10 10  5  5  5 10 10 10 11 10 10 10 10  5 10
##  [392]  5 10 10  5 11 11 11 10 10 10 10 10 13 10 10  4 11 10 10 10 10 11 10
##  [415] 10  5 10 10 11 10 10 11 10 10 11 11 10 10 10 10 10 10 10  4 11 11 10
##  [438]  5  5 10  5 10 10 11 11 11  5 10 10 10 10 10 10 10 10 10 10  5 13 10
##  [461] 10  5 10 10 10 11  5  5  5 11 10  5 10 10  5  5 10 10 10 11 10 10 10
##  [484] 10 11 10  5 11 10 12 12 11  5 11 10 11 10  3 10 11  5 11 10  5 10 10
##  [507] 11  5 10  5 10 11 10 10 11  5 12  5 10 13 10  5 10  5 10 10 11 11 10
##  [530] 10  5 10 10 11 10 10 10 10 11 11 10 10 10 10 10 10 10 10  5 10 10 11
##  [553] 10  5 11 10 10 11 10  4 10 11 11 12 11 10  5 11 11 10 11 10  5 12 10
##  [576] 12 10 11  5  5 10 10 10  5 10 10 10 11  5 11 11 10 10 10 10 10  5 10
##  [599]  5 12 11 11 12 11  5 11 10 13 10 11 10 10 11 10  5 10 10  5 10 11 10
##  [622] 10 10 13 11  5 12 12 10 10 10 10 10 10 11 10 12 10 10 10 10  5 10 10
##  [645] 11 10 10 11 10 10 11 10 10 11 10 10 10 12 10 10 10 11 10 10  5 10 10
##  [668] 11 11 10 10 10 10 10 10 11 12 12  5 11 11 10 11 10 13 10 11  4  5 10
##  [691]  5 10  5 11  5 12  5  5 11 11 10 10 10  5 11 11 10  5 10 10 10  5 10
##  [714] 10 10 10 10 10 11 10 12 11 11 10 10 11 10 10 10  4  5 10  5 10  4  4
##  [737] 12 10 10 11 10 10 10 11  5 11 10 10  5 11 10 10 10 10 10 10  5 10 10
##  [760] 10 10 10 10 10 11 10 10 10 10  5 10 10 10  5 10  5 11 13 12 11 11 10
##  [783] 10 10 11 10  5 10 10 11 11 10 10 10 11 10 10 11  5 10 10 10 10 10  4
##  [806] 10 11 10 10 10 10 10 11 11 10 10  4 10 10 10 10 10 10 10 10  5 10 10
##  [829] 10  5  5 10 11 10 11 11 10  5 10 10 10 10 10 10 10 10 10  5 11 11 10
##  [852] 13 10 11 10 10 10 10  5 10 11 10 12 10 10 10 10 10 10 10 10 10 11  5
##  [875] 10 11 10 10 11 10 11 10 10 10 10 10 11 11  5 10  5 10 11 10  5 11 12
##  [898] 10 10 10 10 10 12  5  5 10 11 10  5 10 11 10 10 10 10 11  5 12 11 10
##  [921] 10 10 10 11 10 12 10 10 11 10 10 10 10 11 10  5 11  5 10 11 11 12 10
##  [944]  5 10  5 10 10 10 10 10  4  5 11 10 10 11 10 11 10  4 11 11 11 10 10
##  [967] 10 10 11 10 10 10  5 12  5 12 10  5 10 11  5 12 12 10 10 10 12 10 10
##  [990]  5 10 10 10 10 10 10 10 11 10 10 10 10 10 11 11 10 10 10 10 10 10 11
## [1013]  4 10 10 10 10 10 11 10 10 10 10 11  5 10 11 11  5 10 10 10 10 10 11
## [1036] 10 12 11  5  5  5 11 11 10 10 11 10 10  5 10 10 10  5 12 10 10  5 10
## [1059]  5 10 10 10 10  5 12  5 10 10  5  5  5 10 10 12 11 10 10 10 10 10 10
## [1082] 10 11 10 10  5 10  5 11  5 10 10 10 10 10 10 10 11 11 10 10 10 10 10
## [1105] 10 11 11 11 10 10 10 10 10 12 13 10 10 11 11 10 10  5 11 10 10 10 10
## [1128] 11 10 10 10  5 12 11  5 10 11 11 10 10 10  5 11 10 10 10  5  5 10 11
## [1151] 13 11 12 10 10  5 11  5 10 10  5 11 10 11 10 10  5 10 10 10 10 10 10
## [1174] 10  4 10 11 11 10 10  5  5 11  4 10 11  5 11 10 11 10 10 10 11  5 10
## [1197] 10 11 11 11 10 10  5 10 10 12 11 10  5  5 10  5 10  5  5 10 10 11 10
## [1220] 13  4 10 10  5 10 10 10 11  5  5 12 12 10 10  5 10 10 10  5 10 11 10
## [1243] 10 12 11 10 10 11 10 11 11 11 10 10 10 10 10 11 10 10  5 11  4 10 11
## [1266] 10 10  5 10 10 12 10 11 10 10  5 11 10 11 10 10 10  5 11 11 11 10 12
## [1289]  5 10  5 10 12 10 10  5  5 10 10 12 10 10 11 10 10  5  5 11 10 11 12
## [1312]  5 10 11 10 11 11 10 12 10 10  4 10 10 10 10  5 10 11 10 12 11 10 11
## [1335] 10 10 11 10 10 10 11 10 12  5 10 10 10 10 10 10 10 10 10 12  5  5 12
## [1358] 10 10 10 11 11 10 10 10 10 12 10 10 10  4 10 10 10 11 11 10 10 10 10
## [1381] 11 10 10 10 10 10 10  5 10 10  5 11 12 10 10  4 10 10 11 10 10 10  5
## [1404] 10 10 10 10 11 11  5 11 10 10 10 12  5 10 10 10 12 10 11 10 10 11 11
## [1427] 11 11 10 11 11 10 10  5 12  5 10 10 10 10 10  5 10 10 10 10 10  5  5
## [1450] 10 10 10 10 10  5 10 10 10 11 10 10 10 11 10  5 10 10 10  5 10  4 11
## [1473] 10 10  5  5  5 10 10 10 11 10 10 10  5  5  5 10 10 11  5  5  5  5  5
## [1496] 10 11 10 10 10 10 11  5 10 10 11 11 10  5 10  5 10 10  5  5 10 11 11
## [1519] 10 10 11 11 10 10 11 12  5 10 10 11  4  5 10 10 10 10 11 11 10 11 10
## [1542]  4 10 11 11 11 10 11 10 10 10 11  5  5 10 10 10 11 10 10 10 10 11 10
## [1565]  4 10 11 11 11 12 10 10 10 10 11 10 10  5 12 12  5 10 10 10 10 11  5
## [1588] 10 10 10 10 11 10 11  5 10 10 10 12 10 11 10 10 10 10 11 10 10  5 10
## [1611] 10  5 10 10 10 10 10 10 13 10 10 10 11 10  5 12  5 10 10 11 10 10 10
## [1634] 11 11 11 11 10 11 10 11 10 10 10  5 10 11 10 12  4 10 10 10 10 10 10
## [1657] 10  5 11 10  1 10 10 10 11 10 11 10 10 10 10 10 11 11 10 10 10 10 10
## [1680] 10 10 10 10 10 11 10 10 12 11 10 11 10 10 10 11 11 10 11 10 10 10 10
## [1703] 10 12 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 11 11 11 10
## [1726] 10 10 11 11 10 11 11 11 10 10 11 10 10 10 10 10 10 10 10 10 10 10 11
## [1749] 10 11 10 10 10 10 11 10 10 10 11 11 11 11 10 11 10 10 10 10 10 10 10
## [1772] 10 12 11 10 10 11 10 10 12 10 10 10 10 10 10 10 10 11 10 10 10 11 10
## [1795] 10 10 10 11 10 10 11 10 10 10 10 10 10 11 10 10 10 10 11 10 10 11 11
## [1818] 10 10 10 10 10 10 10 11 11 11 10 11 10 10 10 10 11 11 12 10 10 10 10
## [1841] 10 10 10 10 10 11 10 10 10 10 10 10 10 10 10 11 10 11 10 10 10 11 11
## [1864] 10 10 10 11 12 10 10 10 10 10 10 10 10 10 10 10 10 11 10  5 10 10 10
## [1887] 10 10 10 10 10 12 11 10 10 10 11 11 11 10 11 11 10 10 10 10 10 11 10
## [1910] 10 11
## 
## $sqft_above
##   [1] 3890 3760 4750 5310 3840 6070 4040 3840 4860 3860 4030 4410 6050 4740
##  [15] 5403 4120 4150 4370 4570 4670 4230 4270 5670 4475 6070 4300 3990 5990
##  [29] 4460 4190 4250 4930 3840 5000 5320 6720 4210 3890 3830 5153 4210 4740
##  [43] 5450 4280 3880 4570 3750 4130 5710 4700 3810 4490 4150 4070 3840 5770
##  [57] 4030 3810 4490 3840 4360 3960 4460 4340 3850 4750 4350 4160 5180 4070
##  [71] 5130 6350 3770 3780 4750 3950 3915 3880 4870 4030 4740 3850 4860 4310
##  [85] 3930 4070 4080 5400 6110 3859 4600 3940 3800 4230 4070 5050 4000 4220
##  [99] 3860 3890 3890 5230 5370 4140 4270 4430 4210 4130 3780 4610 7680 4250
## [113] 3820 4120 3770 4610 5080 4140 4340 3770 5760 4390 4000 3810 4400 6200
## [127] 4320 4380 4040 4580 4180 4240 4070 6110 4115 3780 3830 3780 5830 4140
## [141] 3920 3930 5990 5070 3910 3810 4020 3830 3880 3810 4130 4750 4060 4060
## [155] 4890 3820 4160 4020 4090 3990 4560 4570 3760 4060 4430 4720 3810 5450
## [169] 3780 3840 4160 5610 4900 4290 3830 4050 4260 4440 3930 3750 6220 3910
## [183] 4500 3900 3930 3831 4130 4410 4470 4280 5400 4810 4750 3800 4320 3920
## [197] 4760 8570 4360 4260 5140 3920 4410 4230 4280 4380 5250 4210 3880 3950
## [211] 3750 4030 3970 4200 4140 5240 4820 3840 4100 3880 4360 4380 4010 4050
## [225] 3830 6430 3790 4150 4060 4080 3810 3800 3770 4170 3950 5584 8860 4500
## [239] 4200 4280 5220 4340 4850 3790 5844 5530 4190 4010 3950 4910 3810 3930
## [253] 4060 3880 4610 3790 4700 3900 3830 3840 3930 5000 3920 3870 3870 4120
## [267] 5050 6290 4280 3860 3980 4490 3810 5370 4070 3760 4090 5000 3770 5440
## [281] 6085 3920 4400 3860 4470 3750 6640 4620 4570 4380 4500 3850 3990 4070
## [295] 3810 4330 4030 4170 4170 4820 4570 4570 3800 4320 3820 7420 4850 4310
## [309] 3920 4000 4225 4370 3950 3910 3780 5050 3980 5550 4133 4610 3990 3870
## [323] 4285 4430 3940 9410 4080 3910 4220 3830 5330 4270 4020 3960 4670 4020
## [337] 3870 4260 6380 7880 4440 4160 3910 4470 4500 4010 5370 4180 5190 3880
## [351] 3880 5020 5980 4430 4440 4140 4410 5550 4540 4540 4130 5020 4430 6120
## [365] 4480 4110 4770 4930 5160 4570 3800 4110 4230 4100 4780 4670 4980 3790
## [379] 3860 3900 4100 4110 4190 4830 4080 4790 4150 5010 4320 4440 4050 3930
## [393] 4400 4040 4670 4070 4660 4030 3790 3980 3920 4630 3970 3750 4210 3780
## [407] 4510 4560 3920 4420 3960 4240 4150 4040 3790 4700 3800 4940 5110 4770
## [421] 6660 4060 4300 3870 4740 4610 4090 4010 4270 4080 5090 4240 3920 3930
## [435] 4070 4270 4070 4170 4510 3920 4040 5480 4200 5040 4490 3960 3810 3920
## [449] 4150 4410 3880 4030 5180 4180 4010 3820 4010 3830 4170 3950 3860 3760
## [463] 5240 4083 8020 3905 4590 3810 3950 3750 4670 4290 6090 3970 7320 4270
## [477] 4040 3880 4290 3900 4040 4930 3820 4910 3780 3960 5490 3940 4460 5300
## [491] 3990 4260 3850 4460 4065 3830 5080 3800 3820 4360 4660 4000 5430 3750
## [505] 4180 4160 4170 4120 4750 4660 3970 4180 4590 4800 7850 4280 4000 3855
## [519] 3750 4570 3745 3900 3820 4220 4340 4130 3860 3845 4100 3800 5060 4140
## [533] 3910 4000 3820 4150 3960 4810 4360 4410 4270 3970 4010 4150 4030 4030
## [547] 4280 4960 6530 4640 3860 6370 4360 3990 3980 4020 4430 3870 4840 4150
## [561] 4390 3880 3828 4260 4140 3940 4430 4040 4130 4230 4950 3940 4240 5190
## [575] 3906 5480 4073 3830 3820 3860 3930 4100 3870 4140 4370 4010 4150 4000
## [589] 3950 4900 4070 4350 3980 4100 3950 3770 4450 3890 4590 4620 4010 6420
## [603] 4280 4300 4180 4420 4350 4500 4170 3990 4470
## 
## $sqft_basement
##   [1] 1530 1700 1620 1510 1600 1700 1600 1490 1640 1460 2000 1430 1950 2060
##  [15] 1820 1450 1950 1600 1600 1580 1470 1780 1900 1450 1760 1600 1720 1760
##  [29] 1510 1800 1810 1460 1830 1590 1620 1420 1960 1560 2020 2110 1490 2390
##  [43] 1600 1780 2020 1700 1410 1450 1500 1800 1580 1800 1480 1670 1510 1800
##  [57] 1620 2570 2110 1490 2590 1580 1480 1410 1480 2500 1940 1550 2350 2490
##  [71] 1481 1470 1520 1850 1830 1660 2130 2600 1450 1850 1690 1850 1600 1520
##  [85] 1780 2620 1600 1430 1798 2060 1610 1780 1440 1590 1500 1450 1600 1690
##  [99] 1500 1470 1570 1590 1650 1500 1510 1910 1630 2360 1852 2090 2400 1480
## [113] 1790 2150 1500 1440 1500 1430 1720 1500 1410 1680 2100 3000 1870 1530
## [127] 1420 1460 1710 1640 1500 1410 2030 1650 1820 1540 1540 1710 1460 2850
## [141] 1610 1800 1660 1420 1420 2170 1450 2150 1560 1560 1830 1720 1460 1590
## [155] 1670 1500 1530 1430 1500 1530 2170 1940 2040 1800 1490 1750 1570 1420
## [169] 1460 2030 2720 1720 1420 1660 1610 1460 1500 2730 1720 1440 1590 1480
## [183] 1450 1420 1840 3480 1440 1540 1790 1490 1540 1680 2160 1430 1690 1450
## [197] 1650 1700 1870 1920 2330 2330 1690 1480 1860 1500 1490 2050 4820 1410
## [211] 2060 1600 1780 1560 1913 1830 1550 1440 1750 1760 1910 1870 1430 1410
## [225] 1540 1420 1550 1480 1500 1680 1650 1580 1790 1850 2010 1940 1410 1450
## [239] 2060 1680 3260 1420 1660 1820 2200 1450 1480 1590 1510 1730 1600 1460
## [253] 1510 1700 1500 2020 2100 1540 2196 1590 1570 1930 1810 1410 1800 1640
## [267] 1540 1420 1590 2080 1510 1530 1900 1490 1430 2580 1940 1548 1740 1500
## [281] 1900 1630 1560 1460 1410 1620 1860 1460 2060 1890 1570 1450 1510 1500
## [295] 1420 2220 1500 1420 2070 4130 1520 1460 1460 1650 1580 1630 1590 1430
## [309] 1590 1790 1740 1500 1910 2090 1450 2250 1450 2240 2160 1760 1440 1600
## [323] 1680 1870 1430 1990 2170 1510 1440 1500 1860 1720 1790 1410 1640 1660
## [337] 1760 2080 1580 1430 1440 1500 1500 1540 1410 2550 1580 1660 1740 1470
## [351] 1580 2300 1850 1650 2610 1890 1500 1600 1460 1940 1660 1500 1650 3500
## [365] 1510 1700 1510 2160 1590 1780 1500 1650 1530 2150 2070 1580 1570 2220
## [379] 2010 1690 1450 1750 1690 1600 1440 1590 1680 1450 1530 1420 2200 1430
## [393] 1420 1550 1710 2020 1500 1620 1760 1430 1816 1580 1520 1460 2000 1420
## [407] 1510 1650 1550 1500 1610 1540 1780 1900 1800 1490 1630 2020 1570 1600
## [421] 1590 1430 1520 1780 1670 1600 1500 1540 2190 1560 1800 1690 1760 1710
## [435] 1690 1500 1460 1520 1590 2070 1850 1620 1525 1880 1570 1840 1620 1450
## [449] 1800 1470 1440 1600 1480 1700 1790 1670 1570 1580 1790 2550 1600 2220
## [463] 1950 1730 1480 1450 1420 1580 1420 1440 1760 2180 1560 1720 1830 1670
## [477] 1500 1710 2310 1420 1520 1420 1770 2120 1870 1870 1540 2040 1950 1640
## [491] 1420 1640 2810 1450 1490 1800
## 
## $yr_built
## integer(0)
## 
## $yr_renovated
##   [1] 1991 2002 1991 2010 1999 1992 2013 1994 1991 1978 2005 2008 2003 1994
##  [15] 1984 1984 2002 1954 2014 2011 1974 2014 1999 1983 2013 2003 2005 2003
##  [29] 2013 1945 1990 1990 1988 2005 1957 1977 1981 2014 1995 2002 1978 2000
##  [43] 1999 1977 1998 1995 1970 1984 1989 1990 2004 2011 1994 1986 1992 2014
##  [57] 1994 2009 2004 2007 2014 1990 1990 2007 1987 1973 2006 1985 1995 2004
##  [71] 2001 2000 1986 1980 2014 1992 1971 2003 1994 1945 2007 1979 1997 2014
##  [85] 2014 2010 2013 2011 2003 2002 2000 2014 1950 1988 2000 1990 1969 2014
##  [99] 2014 2006 2006 2014 1948 2009 2006 1991 1983 2014 1970 2015 2014 1978
## [113] 2010 2013 1989 1974 2008 2005 2001 2014 1968 2014 2004 2003 1986 1989
## [127] 2012 2013 2014 2010 2006 2014 2007 2007 2014 2002 1987 2008 2007 2001
## [141] 2011 1991 2013 1991 1968 2014 2005 2003 1995 2015 2004 2014 2006 1986
## [155] 1963 1989 2002 2013 2013 1997 1984 2011 1987 2013 2014 2014 1951 1993
## [169] 1989 2003 1962 2005 1999 2008 1992 2013 1977 1996 1981 2014 1972 1990
## [183] 1999 2014 1970 2001 1985 2014 2006 2004 1980 1980 2005 1953 1993 2013
## [197] 1998 2006 1983 1996 2005 1984 1955 2015 1997 2005 1979 1996 1993 2004
## [211] 1981 2001 2001 2014 2005 2005 1982 1950 2008 2005 1993 2014 2013 2001
## [225] 2003 2000 2010 2001 1989 2009 2000 2014 2014 2014 1997 2013 2003 2004
## [239] 1992 2014 2010 1990 2006 2005 1985 1979 1956 1990 2014 2000 2011 2014
## [253] 1982 1971 1963 2014 1969 1996 1983 1983 1995 1992 2015 2007 1988 1984
## [267] 1989 1991 2008 1991 1991 2014 1994 2009 2002 2013 2005 2004 1993 2001
## [281] 1987 2005 2010 2004 2006 2010 2007 1997 2014 2010 2007 1998 2005 2014
## [295] 1997 1990 1969 2005 1940 2003 1983 2013 1983 2000 2013 1998 1995 1998
## [309] 1980 1983 1987 1976 2003 2007 2012 1977 1977 2014 1985 2004 2003 1969
## [323] 2015 2014 2003 1989 1991 1940 2000 1998 1987 1989 2000 2014 2003 1985
## [337] 1985 1984 2015 2005 1983 1996 1946 1997 2002 2000 1988 2010 2009 1975
## [351] 1990 1999 1990 1992 1988 2002 1998 2015 2014 2007 2014 2009 2014 2008
## [365] 1985 2003 1993 2004 1983 1994 2009 1958 2004 1990 2011 1964 1964 1955
## [379] 1962 1986 1970 2005 2014 2013 2007 1987 2003 1973 1989 2015 1985 2011
## [393] 2003 1999 1989 1991 2001 1996 2014 2007 2005 2005 2007 2014 2012 2012
## [407] 1979 2014 2005 2001 1975 1991 1983 2009 2014 1970 1996 2002 1999 1984
## [421] 1975 1978 2013 1975 1996 2014 2012 1953 2014 2006 1990 1995 1991 1994
## [435] 1994 2003 2003 2014 2008 2002 2010 2014 2014 2008 1990 1980 2013 2005
## [449] 2010 1990 1998 1977 1990 1984 1978 1986 1992 2013 1958 1968 2000 2011
## [463] 1999 1995 2001 1984 1985 1999 2008 2007 2003 2014 2004 1982 2004 2010
## [477] 1993 1988 2013 1985 1957 2002 2008 1991 1990 1998 2001 1989 1976 1991
## [491] 1989 2010 1996 1964 1959 1992 2013 1994 2014 1998 1984 2014 1993 1973
## [505] 2002 1960 1956 2014 1990 1991 2003 2009 1967 2007 2014 1988 2004 1986
## [519] 1998 2014 1989 2005 2003 1979 2015 2015 2004 2003 2014 1983 2012 1973
## [533] 2007 2014 1985 1980 2008 2006 1963 1968 1984 1995 1983 2003 1980 1993
## [547] 1993 1968 1997 2014 1993 2005 2007 1980 2000 1992 2000 2013 2014 1989
## [561] 2004 1980 2014 1992 1985 1983 1985 1994 2013 1999 1990 2002 1996 2006
## [575] 2003 1988 1992 1995 2003 1987 1965 1993 1995 1983 1982 2009 1985 1963
## [589] 2007 1995 2009 1968 2013 2015 2000 1983 2014 1994 2005 1994 1992 2014
## [603] 1997 1980 1998 2007 1993 1956 1986 1968 1989 1955 2009 2006 2009 1982
## [617] 2000 1967 2006 1934 1972 2014 2000 2004 1981 1997 1987 2003 1987 2003
## [631] 2012 2007 2002 2013 2000 1983 1965 2005 1990 2010 2000 2014 2012 2001
## [645] 1982 1994 1984 2005 1986 2009 2003 2007 1988 1978 1997 2014 2000 2012
## [659] 2007 2000 1953 2000 2014 1997 1982 1960 2002 2015 1944 2000 1979 2009
## [673] 1986 1993 1995 1988 2014 1977 2005 2014 1993 2007 1970 1979 2006 1985
## [687] 1989 2008 2001 2000 2000 1987 1986 1992 1986 1994 2002 1979 2006 2000
## [701] 1998 1990 2008 1987 1982 1989 1998 2011 2011 2014 2004 1976 2015 1990
## [715] 2014 1984 2009 2004 1958 1975 2014 1986 2003 2010 2005 2014 1987 2003
## [729] 1973 2013 1945 1990 1987 2000 2002 2002 2000 1991 1999 1999 2004 2002
## [743] 1970 1986 1989 1987 2014 2004 2000 2001 1960 2015 2010 1986 1988 1985
## [757] 2005 1999 2000 1994 2007 1985 2008 2002 1996 1987 2013 1982 1994 1982
## [771] 1977 1982 2009 2010 2013 2005 1965 2013 1993 2008 1992 2006 2003 2001
## [785] 2014 2014 2002 2013 2005 1964 1996 1974 1975 1972 2000 2007 2013 1996
## [799] 1994 2008 1991 1984 2009 1965 1989 1991 2007 1980 2013 2014 1998 2000
## [813] 1965 1979 2006 2009 1988 1998 2007 1984 1999 1970 2000 1986 2009 2003
## [827] 1987 1996 1993 2005 1993 1988 2003 2011 2000 2007 2012 2014 2013 2004
## [841] 1979 1968 2014 2006 1992 2007 2007 1983 2014 1958 2015 1972 1989 2006
## [855] 1999 1998 2007 2014 1995 1997 2007 1989 1986 1984 1992 1991 1984 1997
## [869] 1996 1964 1995 2014 1958 2004 1988 1990 2001 2014 2006 2003 2014 2005
## [883] 2000 1993 1997 1957 1995 2014 1994 1998 2006 2011 1970 1998 2001 2007
## [897] 1987 1946 1981 2015 2008 2012 2009 2013 1999 2013 1988 2014 2004 1960
## [911] 2006 2009 2014 2007
## 
## $zipcode
## integer(0)
## 
## $sqft_living15
##   [1] 4760 4110 3740 3836 3890 4180 3920 4550 3860 3860 4050 4680 3930 4300
##  [15] 3850 4210 3980 3920 3715 4190 4230 3890 4100 4090 3680 4100 3720 4750
##  [29] 3950 5790 3890 4320 4640 3970 4600 3950 5600 3820 3950 3720 4800 3990
##  [43] 3720 3860 3900 3720 4060 3910 3730 3760 3910 3770 3960 4620 4050 3860
##  [57] 3730 4470 4890 3690 3680 3780 3980 3690 4240 3890 4670 4050 4350 5380
##  [71] 4330 3830 5000 3680 4250 4080 4110 4190 3770 3736 4600 3980 4170 4090
##  [85] 3750 3680 4630 3910 3880 4110 3960 3710 3930 4170 3721 3930 4650 4020
##  [99] 3920 3900 4470 3680 3710 4240 4020 3920 4320 3770 4190 3720 4230 3960
## [113] 3950 3740 3740 3670 4080 5340 4440 3690 4690 4920 4160 3810 4480 3880
## [127] 3690 3990 4050 5790 5330 3930 3920 4010 4700 4090 3750 3930 3820 4100
## [141] 3720 3750 3880 4300 3790 3790 3710 3990 4150 4020 4340 3850 3700 3840
## [155] 4042 3850 3930 3800 3850 3850 5030 3715 4740 5070 4280 3940 4940 4770
## [169] 3880 4830 3730 3730 4080 4100 3880 5170 3800 3960 3840 3860 4190 4590
## [183] 4130 3770 3990 3970 4060 4060 3990 4140 3890 3670 3810 4010 3680 3750
## [197] 4080 4310 3910 3950 3720 4042 3790 3740 3680 4220 4300 3730 5030 4540
## [211] 4470 3700 4190 4470 3860 4200 3800 3930 3930 3850 4170 3770 3690 3750
## [225] 4240 3860 4510 3830 3720 3810 3780 4480 3740 4390 4570 3740 6110 4260
## [239] 3780 4340 4080 3890 4290 4010 3880 4560 4000 4830 3960 3980 4830 3670
## [253] 3790 4440 3750 4620 3730 3890 4010 4670 4070 3750 3680 3690 5110 4060
## [267] 3850 3670 4560 4670 3830 4130 4170 3810 4850 4290 4410 5610 3680 3850
## [281] 3780 4660 3900 3870 3920 4370 4590 4610 3960 3700 3960 3980 4050 4740
## [295] 4400 3680 4290 4950 3900 4070 4180 5500 4850 3730 3930 3860 3674 3750
## [309] 3800 3950 4210 3780 4030 3730 3740 3880 3830 4390 4440 4320 3940 4050
## [323] 4760 4280 3740 4400 3750 3840 3870 3680 3670 3930 3740 3950 3690 3930
## [337] 4750 3750 3750 3890 4930 4040 4100 4240 3710 4140 3740 4190 4520 4630
## [351] 4030 4760 4490 3760 4180 3730 4130 4040 3770 4080 3770 4410 3800 3820
## [365] 3830 4760 4913 3670 3970 4040 4770 3810 4080 3720 3800 5220 3800 3880
## [379] 3720 3860 4630 4630 4240 4050 3850 3870 4210 5790 3790 4730 3710 3720
## [393] 3920 4110 3810 3920 4020 4340 3860 3980 3760 3920 3830 3820 3920 4100
## [407] 4780 3920 4440 3670 4270 3810 3740 3920 3740 4240 4300 3810 3740 3840
## [421] 4760 4090 3910 3700 3880 4040 4010 3840 4460 3670 3810 3880 3920 5200
## [435] 3730 4160 3900 3990 4900 4210 4190 4140 4190 3940 4410 3780 4470 3760
## [449] 3760 4220 4130 4540 3730 3710 3680 4120 3920 3770 4730 4270 3940 3820
## [463] 5080 3680 4320 4590 4362 3740 3730 4420 3690 4560 4100 4420 3670 4750
## [477] 6210 4510 4290 3690 4920 3820 4290 4310 3880 3730 3730 3970 3690 4920
## [491] 3970 3726 4120 4420 4410 3960 4800 4690 3740 3760 5790 4070 4480 3920
## [505] 3700 3930 4390 4530 5790 4225 4310 4410 4130 4443 3690 4240 3940 3770
## [519] 4000 3770 4495 4080 3840 3860 4100 3710 3710 4200 4340 3820 4920 4690
## [533] 4620 3770 3690 3710 4620 4920 3860 4650 5790 3860 3990 4560
## 
## $sqft_lot15
##    [1] 101930  20336  30617  72513  18900  20158  38917  50529  35020
##   [10]  39750 135036  35065  47777  35001  88500  19265  87991 193842
##   [19]  18000  36590  35230  67268  50965  18386  20953  35096  80100
##   [28] 148539  18841  36224  33450  20060  47443  49385  19508  78408
##   [37]  57500  17958  35781  78408  20000  32156  19207  22654  17689
##   [46]  28399  44049  21455  24361  19868  19009  27743  22357  36852
##   [55] 143947  36497  18295 174240 211267  39480  21887 210394  75396
##   [64] 181319  50529 178160 233971  28837  49206 104374  24728  29170
##   [73]  20697  65340 107898  25346  98010 199504 165963  43560  32186
##   [82]  19400  35982  38255  26324  18000 213444  34589  21567  38312
##   [91]  41075  37034  23900  54885  33341 218222  34500  23680  63162
##  [100]  25792  33171  36149  36906 101529  18306  18503  28826  47916
##  [109]  27600  33900 213444  32417  32130  37891  19811  35160  75358
##  [118]  33447  21803 217800  44431  21810  44374 220654  94960  35021
##  [127]  83729  25545  27100  36728  20037  42882  40234  26788  26289
##  [136]  88519  26140  34787 213879  61011  41056  18615  24640  40089
##  [145]  93825 310582  37981  18512  23400  98010  18200  19350  28717
##  [154]  23035  47044  24619  38307  65340  69696  36626 100545  48000
##  [163]  34929  24513  37263  29680  35395  33600  38715  20000  36150
##  [172]  17559  36342  21750  21937  54705  36680  22641  21132  40635
##  [181]  20301  56568  22651  19210  62829  35000  42387  39683  65775
##  [190]  43548  35716 120675  28353  34798  46609 213008  35604  37452
##  [199] 185565  18901  54685  44131  33976 209959 425581  51400  36900
##  [208] 216928  35230  43129  63823  35250  22863 128066  35104  17818
##  [217]  71002  23847 173804 206736  20075  17702  41684  51400  37000
##  [226]  28295  26337  49207  18260  60984  28027  40803  24079  20000
##  [235]  20350  51836  85813 165528  35679  18001  35371  34398  26000
##  [244]  50055 176418  39082  24700  40072  22748  33945  29620  43560
##  [253]  24643  60548  18782  34326  20324  74256  23980  37525  43560
##  [262]  21600  19223  29075  45738  18364 108463  34960  41631  38925
##  [271]  18180  24332  29527 219106 208438  35673  73180  17699  35571
##  [280]  37270 311610  48760  22000  67518  36236  19878  35072  41016
##  [289]  47480  61419 218235  36549  44866 221442  35363  65340  36224
##  [298]  35960  41006  60548  39133  35350  43560  23408  54014  53437
##  [307]  35280  74052  27820  33955  25002  42148  18741  34637  35350
##  [316]  51836  41684 247856  33880  46038  57499  40635  94960 118047
##  [325]  48351 215186  19998  23274  44224  30056  45441  34000  21600
##  [334]  33167  42688 108900  21988  20000  21765 220849  37766  42625
##  [343]  38682 217364  51773  17788  51836  19991  50378  21679  87821
##  [352]  37263  42874  26988  50965  36404  36256  38300  89298  18983
##  [361]  54014  34820  35089  40000  25865  67369  18135  48787  29170
##  [370]  19864  33120  35733  33750  56827  35775  29316  27586  20489
##  [379]  95832  30200  40371  36180  34850 150282  39216  41275  87120
##  [388]  20250  24000 109642  25067  35445  38130 217799  19800 339332
##  [397]  45738  83558  49658  35248  27540  39747  34900  20500  61903
##  [406]  19800  31105  28435 212137  20250 107153  43124  81698 215622
##  [415]  23650  35291  21560  32700  18564 145926 233917  18630 219542
##  [424]  42253  37431 434728  60080 111078  40015  17668  39630  35352
##  [433]  20720  21070  22693  25449  59677  35190  33361  56192  37141
##  [442]  21781  20372  36427 107157  27500  95832  18429  49222  53143
##  [451]  23522  33190  65775  50094  21780  53578 165963  19249  27917
##  [460]  23000  39438  48760  43560 189050  36884  28945  20580  28475
##  [469] 204732  18297  21074 204296  47480  84070  47920  24090 167378
##  [478]  30494 206474  20008  44866  24121 232230 217800  37703  39848
##  [487] 136662  72229  98881 202554 114868  58806  24345  35991  81021
##  [496]  49658 104108  28188  20009  44584  50543  20000  40946  19856
##  [505]  35425  40899  55657  21214  38400  21780  35580  28800  48351
##  [514] 130680 273992  45175  59241  35037  26136  27049  99316 169884
##  [523] 196591  59522  36180  44224  18723 130680  47215  35200  24100
##  [532]  19499  45738  56628  22356  19844  36750  36425  36400  38996
##  [541]  56628  43791 188564  40523  19110  35259  97895  38370  26820
##  [550] 213879  37638  37638  35273  40185  21315  56192  17853  17853
##  [559]  18225  22860 217800  36290  43500  98881  25608  57934 207206
##  [568]  32336  36254  20908  20359  19807  29150 109771  37887  37731
##  [577] 118918 101930  55216 133419  38637  34848  32935  22124  53578
##  [586]  71797  20681  19650  36677  39504 217800  26427  37304  35100
##  [595]  38827  81054  54450  19626  91476  18333  31866  40334  91476
##  [604]  39586  36555 178160  34983  93393 108900  89298  25542  20076
##  [613]  40669  65775  37721  20270  18265  18647  43560  43705  54014
##  [622]  74923  40770  88256  46769  42000  51836  21075  43453  73616
##  [631]  26950  36446 223027  99316  51400  22718  37318  22180  18782
##  [640]  19353  21689  35048  50543 211404 154202  52272  38119  36042
##  [649]  25211  38322  19916 217800 107157  31793  35840  23798  80875
##  [658]  22549  19604  77536  20000 217364  45302  17825  38472  23873
##  [667]  35150  24000  69260  26950  42643  23650  42122  21837  36192
##  [676]  25936  19515 123710  21107  56628  34800  36601  17809  63162
##  [685] 213444  80201  36116  48352  19439 172933  17913  20000  20239
##  [694]  35218 189100  34794  64033 142005  39400  87120  35021  87120
##  [703]  51836  20031  17800  20160  19200  25641  18777  24293  54450
##  [712]  38636  21429  35862  44431 144183  35174  28598 218235  18000
##  [721]  50529  84300  36450  27068  59603 125017  20000  35700 217800
##  [730]  35110  37318  20707  38556  40392  41817  41817  20000  25265
##  [739]  25919  35191  26308 411962  39639  35040  21891  37194  35181
##  [748]  21715  47916  36563  26147  20492  20115  54014  32040  40973
##  [757]  88862  27903  24347  24967  36444  97049  38552  37920 155509
##  [766]  44967  79208  38790  20562 219229  29170  46676  18872  20000
##  [775]  35061  88426  18551  32700  42800  20624  28200  27442  20570
##  [784] 205603  32340  19460  91040 217800 112384  36720  87991  39356
##  [793]  51400  19509 108028  34848  56628  46929  25201  26372  19910
##  [802] 144619  27521 217800  49222  36017 358934  25493  36284  24000
##  [811]  29972  83199  18778  36200  34705 123600  35576  20908  37042
##  [820]  43995  61419  18321 121097  19000  38190  35717  62291 179467
##  [829] 107157  17904  54707  92423  40415  18110  48352 108900  37680
##  [838] 106722  19500  30847  68825  35000  95950  21803  37457  53143
##  [847] 116740  19465  38448  45738  18365  39900  34000  30000 230868
##  [856]  43093 215622  23135 194676  18450  42740  35160  20000  25675
##  [865]  20053 149410  36961  17826  31900  21100  26572  66647  19729
##  [874] 157687  34932  35100  51400  74487  35656  25865  37901  35181
##  [883]  35508  89595  21780  35998  22302  78408  59612  35847 268765
##  [892]  36868  98445 207141  94663  39634  27600  18321  21796  19837
##  [901]  21750  34326 192268  18364  34525  35915  45596 200811  43560
##  [910]  19036  30904  32391  49222  23522  26960  23564  20023  35671
##  [919] 215186  42126  26337  24941  28707  29761 210394 217800  43560
##  [928] 209523  46924 123275  49223  21886  36036  21407  17859  43560
##  [937]  21512  18618  48351  29375  72055  23958  46119 115434  20037
##  [946]  58806 144696  21141  28400  18694 438213  40180  88426  35435
##  [955]  21255 129373  42193  18287  23789  60137 326097  82764  50755
##  [964]  18211  19544  40820  34589 209088  23345  17693  38332  90860
##  [973]  75794  57063 216928  49658  45916  49783  21828  24979  28500
##  [982] 153766  77536 208652  22922  36820  30048  29577  25875  18135
##  [991] 108028  27653  42621  42689 217800  30240  31450  52707  36242
## [1000] 110597 114728  21132  25138 297514  28177  39504  45151  42500
## [1009] 108366  22475  26042  35060  29269 181708  65775  20624  19000
## [1018]  41181  36677 222156  67415  18210 101901  42730  36300  22614
## [1027]  27442  27442 102366 109468 215186  35140  22234 110206  21518
## [1036]  21814  44431  39221 213444  40609  87117  70567  51450  54014
## [1045]  97138  67082 212137  45870  55322  40091 196591  45901  54886
## [1054]  38159  24534  60548  17859  22114  28456  41553  18295  30472
## [1063]  44417  26000  32500 216057  91476  35943  25927  35711  48351
## [1072]  39066  37834  26112  68824  21743  21277  75546  36136  20000
## [1081]  23958  19530  35093  18948 871200  21111  35915  35100  19564
## [1090]  60513  18276  35657  46431  35880  49658  43676  18650  29019
## [1099]  18893  37277  45528  50094  37034 109335  35001  35181  23100
## [1108]  43357  38487  17600  19602  35166  51400  36280  29761  18843
## [1117]  36562 212137  18773  39351  32417  18525  25510  65843 145490
## [1126]  46661  19553  35416  35378  42421  51400  27295  40894 114562
## [1135]  19200  36205  26442  17628  65775  40185  42612  43995 215186
## [1144] 175421  26979  51330  48037  19290  45302  35610  44613  90604
## [1153]  18096  57428  40854  55931  20500 182509  49658 222156  17677
## [1162]  43016  43416  36590  41449  37846  41655  23680  53993  35496
## [1171] 112384  19334  37328  20114  40946  35492  22672  64468  29434
## [1180]  41313 229125  51400 128457  35190  20500  57063  84942 229996
## [1189]  32400  20267  54450  33000  50529  40450  39280  19939  42188
## [1198]  68625  34689  36989  37938  35259 110957  28260  20793 380279
## [1207]  38180  21781  21781  19119 105850  19281  70109  30290  67756
## [1216]  23058  22800  44967  35100  21052  44431  19862 102366  23000
## [1225]  54450  38325  34800  20475  20475 156816  21000  53578  35506
## [1234]  70973  35283  17916 219542  26319  66120  25209  32625 360000
## [1243]  18054  37058  17920  17920  37960  34986  23250  35427  36420
## [1252]  55321  40946 266587  61014  34190 101529  84942  35365  74487
## [1261]  40510 220849  24792 218610  33210 169549  35325  84506  20000
## [1270]  36590  80148  23273  37070  28559 157687  47480  97574  20440
## [1279]  36444  20000  32647  51400  28619 157123  35096  35894  40518
## [1288]  17652  17652 161172  22500  50529  98881  54450  18000  23958
## [1297]  29930 172062 217800 273556  34834 217800  57000  35091  39921
## [1306]  30492  40866  37301  23760 158994 121968  27201  17598  21090
## [1315]  34999  21950 220232  20400  20473  90940  33915  21673 113691
## [1324]  18151  45528  35007  24967  19329 213008  85905  35100 291416
## [1333]  31200  32057  90169 219542  59612  67019 297514  36250  27135
## [1342]  48144  35610  35237  28972  60112  19850  55527  40500  36600
## [1351]  47178  29152  53578  20680  19110  18303 325393  28300  54014
## [1360]  58127  22320  20066  37674  17771  51366 175982  28710 320890
## [1369]  36280  26071 217800  56257  28108 175111  32379  19406  20300
## [1378]  20300  19200 195395  35686  39512  18367  20723  48351  31688
## [1387]  52900 210394  35448  26673  43400 216344 217800  20500  17913
## [1396]  37680  33720 325393  25211  33305 117176 244372  46173 213879
## [1405]  34071  35772  37970  18297  41606  71560  26727  64468  35647
## [1414] 142005  35020 248292  98445  87555 215600  52272  20875  19020
## [1423]  36567 222591 217800  87300  31798  36303  24375  22047  60548
## [1432] 283140  17880  24000 183897 183897  18919  40005 105850  78843
## [1441]  19965  25040  39634  42489  43959  19855  17850  50378  42253
## [1450] 275299  40428  26720  18334 560617 209523 224334 212137  35001
## [1459]  30030  21369  37031 130244  20962  18400  20310  18469  50261
## [1468]  41040 202989 127195 187308  37026  43005 221284 148811  62290
## [1477]  36384  19950  54014  34118  43560 117612  46609  31050  35200
## [1486] 109771  35326 101494  51836  18135  22270  19709  35381  25500
## [1495]  49222  35160  23600  35675  32700 253519  43935  20220  44431
## [1504]  21010  35100  59241  53885 163350  43560  39820  24724  17749
## [1513]  74052  24911  49346  59346  19467 169884  20809  47480  17859
## [1522]  20000 102801  35370  84070  67756  42565  23066  39900  30691
## [1531] 217800  24190  17927  71874  18151  19457  22600  21420  89298
## [1540]  33450  84936  84936  62290 213008 217800  22270  37206  49658
## [1549]  35000  19687  27418  57140  23522  26319  37565  22687  40115
## [1558] 211266  24008  87120  87120  30280  43560  20160  51376  19604
## [1567]  40500  20486  81021  38186  70973  20000  39498  49658  34713
## [1576]  21876  21167  35001  41632  34412  26720  22979  29362  48351
## [1585]  46960  32070  23598  18889 298182  40835 108900  29985  31100
## [1594]  24602 222156  19250 215622  21886  26321  68824  34412 206038
## [1603]  44315  69696  17668  43583  40510  32130  20504  92782  19831
## [1612]  41416  17643  22000 263492  26386  21600  43995 168141  71002
## [1621] 187308  19663  22597  35910  55333  17888  28250  31760  54806
## [1630]  30847  23280  19908  20271  41384  21485  21673  18628  35252
## [1639]  20624  18336  26023  20897  24501 128066  21094  52707  35160
## [1648]  29250  34613  63162  20330  32362  79714  42180  46762  35880
## [1657]  25582 217790  36590  17859  82328  20000 217800  22750  34460
## [1666]  22400  36074  54672  49495  47044  22499  54193  19961  73616
## [1675]  43676  21850  19354  46609 108900  36386  18352 103237 335289
## [1684]  75794 112820 104544  33880  42803 186846  43560 228690  31331
## [1693] 392040 214315  18831  49500  21798  24338  24274  37523  19257
## [1702]  98000  54088  32799  33541  20140  21075  17633  96703  35807
## [1711]  27153  45738  17906  21600  46951  22185  17998  19688  18401
## [1720] 217800  17584  86248  92007  39614 211266  38061  62059  19684
## [1729]  22620  50094  19809  42665  30277  52707  17664  17909  40250
## [1738]  21343  40091  35171  18521  44634  19597  91911  26386 111078
## [1747]  35440  19180  19964 100623  37376  18530  37731  20666  19855
## [1756]  35070  39714  23135  19541 210830  35329  19602  48706  35910
## [1765]  28295  19840  43560  46765  25369  45302  22247  91040  38827
## [1774]  74191  27110  26287  20059  54450  40860  24925  47462  22486
## [1783]  39045  17707  18282  45657  19998  89298  54520  20612  36184
## [1792]  25346  20000  92747  44431  20279  17700  45302  35617  35100
## [1801]  35633  39292 101494  27194  44907  22499  19845  29649  41454
## [1810]  18047  33656 117612  49658  20720  72337  43500  39250  24751
## [1819]  23497 144619  48787  51170  67082  43401  19910  36036  41221
## [1828]  21420  22605  36558  21781  44866 217800  21485  21618  27003
## [1837]  72309  22393  42847  39299 208652  17820  24338  28200  19036
## [1846]  18750  18480  41433  36460 199069 217800  25120  20409  19862
## [1855]  49044  50094  19863  36740  34284 120225  36680 215186  22474
## [1864]  18000  24225  26400 189100  17853  43995  30500  87120  38896
## [1873]  18581 198414  53024  43560  37500  37531  20176  20098  60351
## [1882] 101930  18163 137649  84000  22001  53578  34280  21656  25000
## [1891]  38045  18240  22954  26723 216057  43560  50481 184694  42173
## [1900]  43560 386812 223463 220413  26400 102366  28250 125017  41965
## [1909]  22387  19000 110957 203425  35290  65340  35860  43560  43560
## [1918]  56628 289978  40427  24960  83635  60548  26023  20360  49222
## [1927]  29859  26809  40371  19810  25343  99316  38638 115434  35190
## [1936]  18295  39413  18730  33305  19447  19166  64069  32109  34992
## [1945]  20000  18752 155073 219106  44866  22748  36823  49222  43301
## [1954]  17825 131116  30401 207781  35230  55321 223027  19965  49658
## [1963]  18077  29625 184694  18116  31762  57857  68824  41382  24875
## [1972]  18969 114998 213444  66022 112384  20800  29621  36962  35074
## [1981] 224341  18019 217800  64033  18786  20674  35000  17595  36820
## [1990]  49658  40510  53628  23400  35532  24463  29918  19281  62290
## [1999]  34500  75794  37457  51836  87117  19884  44431 133729  29150
## [2008]  34417  20741  43560  69260  32181  70131  59677  32688  22325
## [2017]  38600  44287  45789  20747  19134 125452  21780  50690 217800
## [2026]  35244  39340  56628  20048 103672  54450  35719  46173 104108
## [2035] 107153  27940  18782 111949  41241  39413  40511  35440  18540
## [2044]  44866 104979  27338  39639  45302  25500  92782  19822  43561
## [2053]  41210  35200 219542  21344  30192 111513  35005  35124  55321
## [2062]  19352  17600 422967  45000  40107  60548 215622  49658  42253
## [2071]  29004  42224  22069  21344  37034  57499  19250  25788  55023
## [2080] 217800  34200  36384  29279  26027  32647  18713  22077  40500
## [2089]  37804  69696  35366  62726  68825  22326  35926  22850  24506
## [2098] 108900  22257 183161  18975  18000  63162  24751  24913 107076
## [2107] 125017  31294  39413  21503  93654  19500  35285  19613  24527
## [2116]  18000  18452  34575  48787  95832 108900  54014  35735  54450
## [2125]  74052  64626  38211  56628  24393  82764 218671  64441  32362
## [2134]  59241 260924  27520  19929  23774 224770  19030  71874 200527
## [2143]  40545 858132  33580 105415  44866  30950  18900  43103 207781
## [2152]  29279  72745  27251  18110 220654  51721 120686  87476  94403
## [2161]  21600  20502  25447  69993  20152  19250  36859 208652  27520
## [2170]  32374  26336  19030  21569 111274  18200 292645  35033  48181
## [2179] 256803 217800 109771  59346 392040  28800  23142  35857 131007
## [2188]  46609  44890  74052 107498  50447 151081  18270
plotgraph <- function(inp, na.rm=TRUE) {
mpgPlot <- ggplot(dfrModel, aes(x="", y=inp)) +
            geom_boxplot(aes(fill=inp), color="purple") +
            labs(title="House Price Outliers")
mpgPlot
}
lapply(dfrModel, FUN=plotgraph)
## $price

## 
## $bedrooms

## 
## $bathrooms

## 
## $sqft_living

## 
## $sqft_lot

## 
## $floors

## 
## $waterfront

## 
## $view

## 
## $condition

## 
## $grade

## 
## $sqft_above

## 
## $sqft_basement

## 
## $yr_built

## 
## $yr_renovated

## 
## $zipcode

## 
## $sqft_living15

## 
## $sqft_lot15

Observation
Outliers present in many features.
But Outlier count is low.
For this model we will work with the outliers.

head(dfrModel)
##     price bedrooms bathrooms sqft_living sqft_lot floors waterfront view
## 1  221900        3      1.00        1180     5650      1          0    0
## 2  538000        3      2.25        2570     7242      2          0    0
## 3  180000        2      1.00         770    10000      1          0    0
## 4  604000        4      3.00        1960     5000      1          0    0
## 5  510000        3      2.00        1680     8080      1          0    0
## 6 1225000        4      4.50        5420   101930      1          0    0
##   condition grade sqft_above sqft_basement yr_built yr_renovated zipcode
## 1         3     7       1180             0     1955            0   98178
## 2         3     7       2170           400     1951         1991   98125
## 3         3     6        770             0     1933            0   98028
## 4         5     7       1050           910     1965            0   98136
## 5         3     8       1680             0     1987            0   98074
## 6         3    11       3890          1530     2001            0   98053
##   sqft_living15 sqft_lot15
## 1          1340       5650
## 2          1690       7639
## 3          2720       8062
## 4          1360       5000
## 5          1800       7503
## 6          4760     101930

Observation
Here we see that many predictor variables numeric categoric variable. We should convert these to factor variables

Correlation

vctCorr = numeric(0)
for (i in names(dfrModel)){
    cor.result <- cor(dfrModel$price, as.numeric(dfrModel[,i]))
    vctCorr <- c(vctCorr, cor.result)
}
dfrCorr <- vctCorr
names(dfrCorr) <- names(dfrModel)
dfrCorr
##         price      bedrooms     bathrooms   sqft_living      sqft_lot 
##    1.00000000    0.30834960    0.52513750    0.70203505    0.08966086 
##        floors    waterfront          view     condition         grade 
##    0.25679388    0.26636943    0.39729349    0.03636179    0.66743425 
##    sqft_above sqft_basement      yr_built  yr_renovated       zipcode 
##    0.60556730    0.32381602    0.05401153    0.12643379   -0.05320285 
## sqft_living15    sqft_lot15 
##    0.58537890    0.08244715

Visualize

dfrGraph <- gather(dfrModel, variable, value, -price)
head(dfrGraph)
##     price variable value
## 1  221900 bedrooms     3
## 2  538000 bedrooms     3
## 3  180000 bedrooms     2
## 4  604000 bedrooms     4
## 5  510000 bedrooms     3
## 6 1225000 bedrooms     4
ggplot(dfrGraph) +
    geom_jitter(aes(value,price, colour=variable)) + # creates scatter plot
    geom_smooth(aes(value,price, colour=variable), method=lm, se=FALSE) + # line gets drawn
    facet_wrap(~variable, scales="free_x") +
    labs(title="Relation Of Price With Other Features")

Observation
There is some impact of all the features with price.

stpModel=step(lm(data=dfrModel, price~.), trace=0, steps=10000)  
stpSummary <- summary(stpModel)  
stpSummary   
## 
## Call:
## lm(formula = price ~ bedrooms + bathrooms + sqft_living + floors + 
##     waterfront + view + condition + grade + yr_built + yr_renovated + 
##     sqft_living15 + sqft_lot15, data = dfrModel)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -1344100  -109559   -10735    90092  4287445 
## 
## Coefficients:
##                 Estimate Std. Error t value Pr(>|t|)    
## (Intercept)    6.216e+06  1.376e+05  45.165  < 2e-16 ***
## bedrooms      -3.930e+04  2.026e+03 -19.399  < 2e-16 ***
## bathrooms      4.653e+04  3.445e+03  13.509  < 2e-16 ***
## sqft_living    1.629e+02  3.574e+00  45.575  < 2e-16 ***
## floors         2.471e+04  3.435e+03   7.193 6.56e-13 ***
## waterfront     5.782e+05  1.862e+04  31.048  < 2e-16 ***
## view           4.380e+04  2.234e+03  19.604  < 2e-16 ***
## condition      1.972e+04  2.492e+03   7.911 2.68e-15 ***
## grade          1.194e+05  2.239e+03  53.347  < 2e-16 ***
## yr_built      -3.579e+03  7.067e+01 -50.644  < 2e-16 ***
## yr_renovated   1.011e+01  3.914e+00   2.584  0.00976 ** 
## sqft_living15  2.392e+01  3.527e+00   6.782 1.22e-11 ***
## sqft_lot15    -5.603e-01  5.556e-02 -10.086  < 2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 216100 on 21600 degrees of freedom
## Multiple R-squared:  0.6537, Adjusted R-squared:  0.6535 
## F-statistic:  3398 on 12 and 21600 DF,  p-value: < 2.2e-16

Observation
Best results given by price : -bedrooms -bathrooms -sqft_living -floors -waterfront -view -condition -grade -yr_built -yr_renovated -sqft_living15 -sqft_lot15 These 12 variabes are importatnt ones

Make Final Multi Linear Model

x2 <- dfrModel$bedrooms
x3 <- dfrModel$bathrooms
x5 <- dfrModel$sqft_living
x7 <- dfrModel$floors
x8 <- dfrModel$waterfront
x9 <- dfrModel$view
x10 <- dfrModel$condition
x11 <- dfrModel$grade
x13 <- dfrModel$yr_built
x14 <- dfrModel$yr_renovated
x18 <- dfrModel$sqft_living15
x19 <- dfrModel$sqft_lot15
y <- dfrModel$price

mlModel <- lm(y~x2+x3+x5+x7+x8+x9+x10+x11+x13+x14+x18+x19)

Observation
No errors. Model successfully created.

Show Model

# print summary
summary(mlModel)
## 
## Call:
## lm(formula = y ~ x2 + x3 + x5 + x7 + x8 + x9 + x10 + x11 + x13 + 
##     x14 + x18 + x19)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -1344100  -109559   -10735    90092  4287445 
## 
## Coefficients:
##               Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  6.216e+06  1.376e+05  45.165  < 2e-16 ***
## x2          -3.930e+04  2.026e+03 -19.399  < 2e-16 ***
## x3           4.653e+04  3.445e+03  13.509  < 2e-16 ***
## x5           1.629e+02  3.574e+00  45.575  < 2e-16 ***
## x7           2.471e+04  3.435e+03   7.193 6.56e-13 ***
## x8           5.782e+05  1.862e+04  31.048  < 2e-16 ***
## x9           4.380e+04  2.234e+03  19.604  < 2e-16 ***
## x10          1.972e+04  2.492e+03   7.911 2.68e-15 ***
## x11          1.194e+05  2.239e+03  53.347  < 2e-16 ***
## x13         -3.579e+03  7.067e+01 -50.644  < 2e-16 ***
## x14          1.011e+01  3.914e+00   2.584  0.00976 ** 
## x18          2.392e+01  3.527e+00   6.782 1.22e-11 ***
## x19         -5.603e-01  5.556e-02 -10.086  < 2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 216100 on 21600 degrees of freedom
## Multiple R-squared:  0.6537, Adjusted R-squared:  0.6535 
## F-statistic:  3398 on 12 and 21600 DF,  p-value: < 2.2e-16

Test Data

dfrTest <- data.frame(x2=c(2.5),
                     x3=c(2.0),
                      x5=c(6560),
                      x7=c(1),
                      x8=c(1), 
                      x9=c(0),
                      x10=c(3),
                      x11=c(7), 
                      x12=c(6560),
                     x13=c(1975),
                    x14=c(0),
                     x19=c(5650),
                      x18=c(1340)
                       )
dfrTest 
##    x2 x3   x5 x7 x8 x9 x10 x11  x12  x13 x14  x19  x18
## 1 2.5  2 6560  1  1  0   3   7 6560 1975   0 5650 1340

Observation
Test Data successfully created.

Predict

result <-  predict(mlModel, dfrTest)
print(result)
##       1 
## 1736919