Find the best model to determine the effect of the variables on the number of complaints received in the dataset below.

"index" "visits" "complaints" "residency" "gender" "revenue" "hours" "1" 2014 2 "Y" "F" 263.03 1287.25 "2" 3091 3 "N" "M" 334.94 1588 "3" 879 1 "Y" "M" 206.42 705.25 "4" 1780 1 "N" "M" 226.32 1005.5 "5" 3646 11 "N" "M" 288.91 1667.25 "6" 2690 1 "N" "M" 275.94 1517.75 "7" 1864 2 "Y" "M" 295.71 967 "8" 2782 6 "N" "M" 224.91 1609.25 "9" 3071 9 "N" "F" 249.32 1747.75 "10" 1502 3 "Y" "M" 269 906.25 "11" 2438 2 "N" "F" 225.61 1787.75 "12" 2278 2 "N" "M" 212.43 1480.5 "13" 2458 5 "N" "M" 211.05 1733.5 "14" 2269 2 "N" "F" 213.23 1847.25 "15" 2431 7 "N" "M" 257.3 1433 "16" 3010 2 "Y" "M" 326.49 1520 "17" 2234 5 "Y" "M" 290.53 1404.75 "18" 2906 4 "N" "M" 268.73 1608.5 "19" 2043 2 "Y" "M" 231.61 1220 "20" 3022 7 "N" "M" 241.04 1917.25 "21" 2123 5 "N" "F" 238.65 1506.25 "22" 1029 1 "Y" "F" 287.76 589 "23" 3003 3 "Y" "F" 280.52 1552.75 "24" 2178 2 "N" "M" 237.31 1518 "25" 2504 1 "Y" "F" 218.7 1793.75 "26" 2211 1 "N" "F" 250.01 1548 "27" 2338 6 "Y" "M" 251.54 1446 "28" 3060 2 "Y" "M" 270.52 1858.25 "29" 2302 1 "N" "M" 247.31 1486.25 "30" 1486 1 "Y" "F" 277.78 933.75 "31" 1863 1 "Y" "M" 259.68 1168.25 "32" 1661 0 "N" "M" 260.92 877.25 "33" 2008 2 "N" "M" 240.22 1387.25 "34" 2138 2 "N" "M" 217.49 1312 "35" 2556 5 "N" "M" 250.31 1551.5 "36" 1451 3 "Y" "F" 229.43 973.75 "37" 3328 3 "Y" "M" 313.48 1638.25 "38" 2927 8 "N" "M" 293.47 1668.25 "39" 2701 8 "N" "M" 275.4 1652.75 "40" 2046 1 "Y" "M" 289.56 1029.75 "41" 2548 2 "Y" "M" 305.67 1127 "42" 2592 1 "N" "M" 252.35 1547.25 "43" 2741 1 "Y" "F" 276.86 1499.25 "44" 3763 10 "Y" "M" 308.84 1747.5 "110" 3544 0 "Y" "M" 272.367050265038 1936.85815318298 "210" 2167 0 "Y" "M" 296.546767406303 2127.16197820038 "310" 3190 0 "Y" "M" 213.746776906894 1050.99306612739 "410" 1671 0 "Y" "M" 246.387417148176 1384.62764354533 "51" 1344 0 "Y" "M" 290.33761595158 1411.39940319328 "61" 2626 0 "Y" "M" 290.403437139066 1480.03167418732 "71" 1569 0 "Y" "M" 205.886604936093 2125.24707543301 "81" 954 0 "Y" "M" 276.16313432872 1676.77368544406 "91" 3424 0 "Y" "M" 273.129415350578 1588.12348386128 "101" 1195 0 "Y" "M" 299.005363270336 1372.59826872675 "111" 1643 0 "Y" "M" 265.01831910156 2009.49679746779 "121" 3054 0 "Y" "M" 270.090688622643 1906.41141744178 "131" 2348 0 "Y" "M" 246.454258770717 1197.41350239864 "141" 1840 0 "Y" "M" 245.668036478992 1073.92527889053 "151" 2378 0 "Y" "M" 272.165395451949 1263.53686505861 "161" 2492 0 "Y" "M" 243.721066330197 1197.16184691787 "171" 3256 0 "Y" "M" 298.780992415425 1561.50053522542 "181" 1349 0 "Y" "M" 232.923771390852 1222.90844246812 "191" 1800 0 "Y" "M" 305.414908003692 1148.43715692024 "201" 3374 0 "Y" "M" 255.632410673517 1657.89236048451 "211" 1555 0 "Y" "M" 342.8606777371 1212.18919432768 "221" 2185 0 "Y" "M" 294.591131898432 932.016106508677 "231" 972 0 "Y" "M" 311.614938110112 1070.71291265101 "241" 1566 0 "Y" "M" 260.667196748385 1707.1468958568 "251" 2574 0 "Y" "M" 259.43836216282 1449.87380293616 "261" 2390 0 "N" "F" 219.95276550625 1759.54160949413 "271" 2445 0 "N" "F" 243.416895611591 1156.76934900343 "281" 3077 0 "N" "F" 224.250626579971 1114.29186225978 "291" 2908 0 "N" "F" 257.877828523434 1065.61327228869 "301" 3745 0 "N" "F" 246.11944681795 2269.07263951725 "311" 983 0 "N" "F" 309.381505281912 1293.86949399108 "321" 1590 0 "N" "F" 244.113942935338 2047.3171986536 "331" 2744 0 "N" "F" 305.477744524443 2244.42979312181 "341" 2842 0 "N" "F" 261.173433799423 1784.30012223464 "351" 1243 0 "N" "F" 276.861801252982 1488.33555749341 "361" 1343 0 "N" "F" 288.049186016583 1657.44604863988 "371" 3426 0 "N" "F" 298.399486495276 1990.45875900564 "381" 1960 0 "N" "F" 271.532599292081 1317.51647200527 "391" 1473 0 "N" "F" 261.918321771226 1423.5555676706 "401" 2247 0 "N" "F" 284.087099259688 1287.26771717594 "411" 1857 0 "N" "F" 269.420982331403 994.9163153524 "421" 2296 0 "N" "F" 268.679094300709 1906.79305687932 "431" 1390 0 "N" "F" 283.466018585345 1296.32368312808 "441" 1820 0 "N" "F" 203.892840563721 1551.71930638206 "45" 2566 0 "N" "F" 229.181415791243 1710.90098547457 "46" 935 0 "N" "F" 270.069574047544 1054.38571513769 "47" 949 0 "N" "F" 264.401578491535 1511.52146655579 "48" 2519 0 "N" "F" 244.46979397082 2111.46231670648 "49" 2757 0 "N" "F" 295.237083445573 1758.24830579158 "50" 2896 0 "N" "F" 257.029438875166 1151.30899828534

Definition of the data (ignore the column Index)

(a) visits: the number of patient visits (b) complaints: the number of complaints against the doctor (c) residency: is the doctor in residency training (Y = Yes, N = No) (d) gender: gender of the doctor (M = male, F = female) (e) revenue: doctor's hourly income (dollars) (f) hours: total number of hours the doctor worked in a year