fix: minor message typos

Author: Volodymyr Orlov

src/dataset/boston.rs

@@ -31,7 +31,7 @@ use crate::dataset::Dataset;
 pub fn load_dataset() -> Dataset<f32, f32> {
     let (x, y, num_samples, num_features) = match deserialize_data(std::include_bytes!("boston.xy"))
     {
-        Err(why) => panic!("Can't deserialize iris.xy. {}", why),
+        Err(why) => panic!("Can't deserialize boston.xy. {}", why),
         Ok((x, y, num_samples, num_features)) => (x, y, num_samples, num_features),
     };
 

src/dataset/breast_cancer.rs

@@ -33,7 +33,7 @@ use crate::dataset::Dataset;
 pub fn load_dataset() -> Dataset<f32, f32> {
     let (x, y, num_samples, num_features) =
         match deserialize_data(std::include_bytes!("breast_cancer.xy")) {
-            Err(why) => panic!("Can't deserialize iris.xy. {}", why),
+            Err(why) => panic!("Can't deserialize breast_cancer.xy. {}", why),
             Ok((x, y, num_samples, num_features)) => (x, y, num_samples, num_features),
         };
 

src/dataset/diabetes.rs

@@ -26,7 +26,7 @@ use crate::dataset::Dataset;
 pub fn load_dataset() -> Dataset<f32, f32> {
     let (x, y, num_samples, num_features) =
         match deserialize_data(std::include_bytes!("diabetes.xy")) {
-            Err(why) => panic!("Can't deserialize iris.xy. {}", why),
+            Err(why) => panic!("Can't deserialize diabetes.xy. {}", why),
             Ok((x, y, num_samples, num_features)) => (x, y, num_samples, num_features),
         };