Research Article

A Way to Understand Inpatients Based on the Electronic Medical Records in the Big Data Environment

Table 4

Validity test in discriminant analysis.

Tests of equality of group means
Wilks’s lambdadf1df2Sig.

Length of stay0.333100097.36331496290.000
Age0.983854.27631496290.000
Hospital cost0.52545122.14431496290.000

⁢Wilks’s lambda
Test of function(s)Wilks’s lambdaChi-squaredfSig.

1 through 30.277192059.00890.000
2 through 30.88917687.81040.000
30.995813.76910.000