Ive built a model in SAS EM to predict a target(interval) based on different features. I imputed some of them, smoothed some others, and binned, or transformed rest of the features, just some basic data preparation stuff before building the model. Then partition data into training (65) validation(35), then a linear regression was built to predict the target, it has validation error rate of 13%, which is fine. However the problem kicks in when i imported another score data set (actually the it is the same dataset i prepared above, deleting target variable). It has all prediction for target the same value. I cant understand the reasoning before this. My model was fine in the process of building it, and the score data set is just prepared dataset i used to train and validate. what is wrong? and this is my original dataset. This is my model comparision results and this is my score
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