Update student_t_qf.stanfunctions (#86)

Updated erroneous log input
spinkney · Aug 3, 2023 · 768fa32 · 768fa32
1 parent 8241956
commit 768fa32
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/functions/quantile_function/student_t_qf.stanfunctions b/functions/quantile_function/student_t_qf.stanfunctions
@@ -293,7 +293,7 @@ real student_t_log_qf(real log_p, real ndf) {
     y = exp(2 * x);
 
     if ((ndf < 2.1 && P > 0.5) || y > 0.05 + a) {
-      x = inv_Phi(log_P2);
+      x = inv_Phi(0.5 * P);
       y = square(x);
 
       if (ndf < 5) {
@@ -333,4 +333,4 @@ vector student_t_log_qf(vector u, real nu) {
 
   return x;
 }
-/** @} */
+/** @} */