Update README.md

Author: yuribling123

README.md

@@ -257,9 +257,15 @@ This code performs hyperparameter tuning and trains a neural network model to pr
 ### Results:
 
 #### Data Exploration Results
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 We have found a fairly strong correlation between perihelion distance (q), absolute magnitude parameter (H), and Earth minimum orbit intersection (moid) distance with the diameter of asteroids, as indicated by the heatmap.
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 #### Preprocessing Results
 
+1. All non-numeric columns and other unnecessary columns have been removed.
+2. After normalization, all features are scaled to lie within the range [0, 1] which ensures that no single feature dominates due to its scale
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 ### Discussion: