<jupyter_start><jupyter_text>The ML model in the coarse estimation case did not do much better than just using the PREV_GPA feature to predict the LAST_GPA value (less than 3% improvement).<jupyter_code>y_pred_df = pd.DataFrame(y_pred)
y_ver_df = pd.DataFrame(y_veri)
corr = y_pred_df.corrwith(y_ver_df)
corr<jupyter_output><empty_output>
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