我试图制作lda（线性判别分析），但我不断收到此错误：
错误prior < 0 :
comparison (3) is possible only for atomic and list types.
我使用的是lda功能：
DataI
DataQF <- DataI[, 2:12]
mylda <- lda(regimen ~ ., DataQF,na.omit)
mylda
这是DataI的片段
id vasos lumenv fibrastot lumenfib paredfi porlig porsub porepid poraer porendo regimen habito
1 nitidum115 1259 8.426 3600 2.869 0.925 31.141 36.459 NA NA NA seco upright_shrub
2 nitidum116 1056 10.392 3600 2.629 0.615 39.792 28.465 NA NA NA seco upright_shrub
3 nitidum117 917 8.249 7867 3.326 0.885 48.346 22.894 NA NA NA seco upright_shrub
4 nitidum118 928 7.990 13867 2.565 0.880 43.079 28.563 NA NA NA seco upright_shrub
5 nitidum119 736 7.180 14933 2.472 1.122 38.264 30.015 NA NA NA seco upright_shrub
6 nitidum120 496 6.631 19600 2.265 0.916 35.046 30.436 NA NA NA seco upright_shrub
7 muticum123 133 5.752 16267 2.344 0.914 17.457 23.093 NA NA NA humedo cushion
8 muticum124 117 3.872 24533 1.588 0.741 9.958 20.891 NA NA NA humedo cushion
9 muticum125 101 2.486 26800 1.225 0.769 5.565 7.214 NA NA NA humedo cushion
10 muticum135 123 2.657 24267 1.444 0.568 8.307 13.725 NA NA NA humedo cushion
11 muticum136 133 3.461 38667 1.330 0.628 12.504 27.871 NA NA NA humedo cushion
12 muticum137 267 6.259 33600 2.273 0.761 19.611 30.690 NA NA NA humedo cushion
13 corimbosa86 261 17.187 8133 8.677 1.831 20.441 NA 15.515 0.000 NA seco stem_rosette
14 corimbosa87 352 25.777 5867 7.612 2.123 23.000 NA 17.980 0.000 NA seco stem_rosette
15 corimbosa88 261 15.441 11600 7.844 1.967 31.459 NA 17.119 0.000 NA seco stem_rosette
16 corimbosa89 309 24.084 12267 8.285 1.775 34.001 NA 15.290 0.000 NA seco stem_rosette
17 corimbosa90 341 14.598 10800 7.001 1.887 26.551 NA 21.303 0.000 NA seco stem_rosette
你知道我该怎么做才能避免这个错误???