Error in solve.default(D) : 'a' is 0-diml 此错误是什么意思?
Error in solve.default(D) : 'a' is 0-diml
$condMean [1] 1 1 1 $condVar [,1] [,2] [,3] [1,] 9.489041 2.157854 6.143564 [2,] 2.157854 6.314409 -1.636732 [3,] 6.143564 -1.636732 10.131375