##Murder 5663.5237 -521.8943 1.5817755-3.869480e+00 13.627465 ##HS Grad -3551.5096 3076.7690 -3.23546946.312685e+00 -14.549616 ##Frost -77081.9727 7227.6041 -21.2900000 1.828678e+01 -103.406000 ##Area 8587916.949419049013.75104018.3371429-1.229410e+0471940.429959 HS Grad Frost Area #Popu1at1on-3551.509551-77081.972658.587917e+06 #Income 3076.768980 7227.604081.904901e+07 #Illiteracy -3.235469 -21.290004.018337e+03 #Life Exp 6.312685 18.28678-1.229410e+04 ##Murder -14.549616 -103.40600 7.194043e+04 #HS Grad 65237894 153992162.2987328+05 ##Frost 153.992163 2702.00857 2.627039e+05 ##Area 229873.192816262703.893067.280748e+09 names(state.x77) ##NULL colnames(state.x77) ##[1]"Population""Income" "Illiteracy""Life Exp" "Murder" #[6】"HS Grad" "Frost" 'Area" x<state.x77[,c(1,2,3,6)] y<-state.x77[,c(4,5)] head(x) 母拼 Population Income Illiteracy HS Grad ##Alabama 3615 3624 2.1 41.3 ##Alaska 365 6315 1.5 66.7 ##Arizona 2212 4530 1.8 58.1 #Arkansas 2110 3378 1.9 39.9 ##California 21198 5114 1.1 62.6 #Colorado 2541 4884 0.7 63.9 head(y) Life Exp Murder ##Alabama 69.05 15.1 ##Alaska 69.31 11.3 #样Arizona 70.55 7.8 ##Arkansas 70.66 10.1 ##California 71.71 10.3 #Colorado 72.06 6.8## Murder 5663.5237 -521.8943 1.5817755 -3.869480e+00 13.627465 ## HS Grad -3551.5096 3076.7690 -3.2354694 6.312685e+00 -14.549616 ## Frost -77081.9727 7227.6041 -21.2900000 1.828678e+01 -103.406000 ## Area 8587916.9494 19049013.7510 4018.3371429 -1.229410e+04 71940.429959 ## HS Grad Frost Area ## Population -3551.509551 -77081.97265 8.587917e+06 ## Income 3076.768980 7227.60408 1.904901e+07 ## Illiteracy -3.235469 -21.29000 4.018337e+03 ## Life Exp 6.312685 18.28678 -1.229410e+04 ## Murder -14.549616 -103.40600 7.194043e+04 ## HS Grad 65.237894 153.99216 2.298732e+05 ## Frost 153.992163 2702.00857 2.627039e+05 ## Area 229873.192816 262703.89306 7.280748e+09 names(state.x77) ## NULL colnames(state.x77) ## [1] "Population" "Income" "Illiteracy" "Life Exp" "Murder" ## [6] "HS Grad" "Frost" "Area" x <- state.x77[,c(1,2,3,6)] y <- state.x77[,c(4,5)] head(x) ## Population Income Illiteracy HS Grad ## Alabama 3615 3624 2.1 41.3 ## Alaska 365 6315 1.5 66.7 ## Arizona 2212 4530 1.8 58.1 ## Arkansas 2110 3378 1.9 39.9 ## California 21198 5114 1.1 62.6 ## Colorado 2541 4884 0.7 63.9 head(y) ## Life Exp Murder ## Alabama 69.05 15.1 ## Alaska 69.31 11.3 ## Arizona 70.55 7.8 ## Arkansas 70.66 10.1 ## California 71.71 10.3 ## Colorado 72.06 6.8 9