diff --git a/src/preprocessing/data_traits.rs b/src/preprocessing/data_traits.rs
new file mode 100644
index 0000000..04b534e
--- /dev/null
+++ b/src/preprocessing/data_traits.rs
@@ -0,0 +1,43 @@
+//! Traits to indicate that float variables can be viewed as categorical
+//! This module assumes 
+
+pub type CategoricalFloat = u16;
+
+// pub struct CategoricalFloat(u16);
+
+pub trait Categorizable {
+    type A;
+
+    fn to_category(self) -> CategoricalFloat;
+
+    fn is_valid(self) -> bool;
+
+}
+
+impl Categorizable for f32 {
+
+    type A = CategoricalFloat;
+
+    fn to_category(self) -> CategoricalFloat {
+        self as CategoricalFloat
+    }
+
+    fn is_valid(self) -> bool {
+        let a = self.to_category();
+        a as f32 == self
+    }
+}
+
+impl Categorizable for f64 {
+
+    type A = CategoricalFloat;
+
+    fn to_category(self) ->CategoricalFloat {
+        self as CategoricalFloat
+    }
+
+    fn is_valid(self) -> bool {
+        let a = self.to_category();
+        a as f64 == self
+    }
+}
\ No newline at end of file