> D3.2=read.table("clipboard",header=T)> attach(D3.2)The following objects are masked _by_ .GlobalEnv: x1, x2> plot(x1,x2)> text(x1,x2,H,adj=-0.5)> text(x1,x2,H,adj=-0.8)> library(MASS)> ld=lda(H~x1+x2)Error in model.frame.default(formula = H ~ x1 + x2) : 变数的长度不一样('x1')数据在下面
| x1 | x2 | H |
| 74 | 200 | 1 |
| 100 | 144 | 1 |
| 110 | 150 | 1 |
| 70 | 274 | 1 |
| 96 | 212 | 1 |
| 80 | 158 | 1 |
| 80 | 172 | 1 |
| 100 | 140 | 1 |
| 100 | 230 | 1 |
| 100 | 220 | 1 |
| 90 | 239 | 1 |
| 110 | 155 | 1 |
| 100 | 155 | 1 |
| 96 | 140 | 1 |
| 100 | 230 | 1 |
| 80 | 80 | 2 |
| 94 | 172 | 2 |
| 100 | 118 | 2 |
| 70 | 152 | 2 |
| 80 | 172 | 2 |
| 80 | 190 | 2 |
| 70 | 142 | 2 |
| 80 | 107 | 2 |
| 80 | 124 | 2 |
| 80 | 194 | 2 |
| 78 | 152 | 2 |
| 70 | 190 | 2 |
| 80 | 104 | 2 |
| 80 | 94 | 2 |
| 84 | 132 | 2 |
| 70 | 140 | 2 |


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