X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Flinreg.h;h=f9d8c9b3f740abfc161ea7df2ecf20131985f700;hb=77ce797fbee4ea815123f46f2dbdad589fd608a2;hp=bab3205f04c2a5857de1e237d372903871e35567;hpb=c3ac5a8af9c449072c7e872ca70a78c1755ae309;p=pspp-builds.git

diff --git a/src/math/linreg.h b/src/math/linreg.h
index bab3205f..f9d8c9b3 100644
--- a/src/math/linreg.h
+++ b/src/math/linreg.h
@@ -21,6 +21,7 @@
 #include <gsl/gsl_vector.h>
 #include <gsl/gsl_matrix.h>
 #include <src/math/coefficient.h>
+#include <math/covariance-matrix.h>
 
 enum
 {
@@ -220,5 +221,6 @@ void pspp_linreg_set_indep_variable_mean (pspp_linreg_cache *, const struct vari
 /*
   Regression using only the covariance matrix.
  */
-void pspp_linreg_with_cov (const struct design_matrix *, pspp_linreg_cache *);
+void pspp_linreg_with_cov (const struct covariance_matrix *, pspp_linreg_cache *);
+double pspp_linreg_mse (const pspp_linreg_cache *);
 #endif