Fixed exception (nan).

numeric_converter.py

@@ -43,15 +43,29 @@ def numeric_conversion(datafile):
     verify_num_col = [x for x in datafile.columns if x in numeric_variables]
     
     for col in verify_num_col:
+        newdata = []
+        for x in datafile[col]:
+            try:
+                newdata.append(float(x))
+            except:
+                newdata.append(None)
         
-        datafile[col] = [float(x) if str(x) =="nan" else None for x in datafile[col]]
+        datafile[col] = newdata
+        #datafile[col] = [float(x) if str(x) !="nan" else None for x in datafile[col]]
         
         
     verify_cat_col = [x for x in datafile.columns if x in categorical_variables]
     
     for col in verify_cat_col:
-        
-        datafile[col] = [str(x) if str(x) =="nan" else None for x in datafile[col]]
+        newdata = []
+        for x in datafile[col]:
+            try:
+                newdata.append(str(x))
+            except:
+                newdata.append(None)
+                
+        datafile[col] = newdata
+        #datafile[col] = [str(x) if str(x) !="nan" else None for x in datafile[col]]
     
     #new_datafile_path = datafile_path.replace(".csv", "_numeric.csv")
     #datafile.to_csv(new_datafile_path, index = False, quoting=csv.QUOTE_NONNUMERIC)