Fixed nan issues.

numeric_converter.py

@@ -7,6 +7,7 @@ Created on Wed Nov 10 11:52:54 2021
 
 import pandas as pd
 import sys
+import math
 '''
 datafile_path = sys.argv[1]
 csv_separator = ","
@@ -43,14 +44,14 @@ def numeric_conversion(datafile):
     
     for col in verify_num_col:
         
-        datafile[col] = [float(x) for x in datafile[col]]
+        datafile[col] = [float(x) if not math.isnan(x) 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) for x in datafile[col]]
+        datafile[col] = [str(x) if not math.isnan(x) 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)