You have fit a neural network to identify customers who purchase a wireless service plan based on an online advertising campaign. However, you noted that your model is overfitting your data. Based on the latter assessment and the variable importance results below, complete the following sentences.

$\backslash$table$[[-$ Variable Importance: Independent Uniform Inputs$],[$Summary Report,$],[$Overall$],[,,$Total,,,$],[$Column$,$Main Effect,Effect,$2\mathrm{.}4\mathrm{.}6,\mathrm{.}8,],[\backslash$table$[[$Balance$],[$cc$3$ miles?$]],\backslash$table$[[0\mathrm{.}374],[0\mathrm{.}101]],\backslash$table$[[0\mathrm{.}693]],,,],[$Qual$\_$miles,$0\mathrm{.}087,0\mathrm{.}254,,,],[$Bonus$\_$trans,$0\mathrm{.}071,0\mathrm{.}206,,,],[$Bonus$\_$miles,$0\mathrm{.}044,0\mathrm{.}121,,,],[$Topflight$,0\mathrm{.}027,0\mathrm{.}071,,,],[$Flight$\_$miles$\_12$mo$,0\mathrm{.}02,0\mathrm{.}049,,,],[$Online$\_12,0\mathrm{.}012,0\mathrm{.}029,,,],[$Any$\_$cc$\_$miles,$0\mathrm{.}009,0\mathrm{.}021,,,],[$cc$1\_$miles?,$0\mathrm{.}006,0\mathrm{.}014,,,],[$Flight$\_$trans$\_12,0\mathrm{.}005,0\mathrm{.}011,,,],[$cc$2\_$miles?,$0\mathrm{.}005,0\mathrm{.}01,,,],[$Club$\_$member,$0\mathrm{.}002,0\mathrm{.}003,,,],[$Email$,0\mathrm{.}001,0\mathrm{.}003,,,]]$

The model has overfit the training data set as indicated by a difference between the test set when compared to the training set classification accuracy. To