Direct Mailing to Airline Customers

 

Direct Mailing to Airline Customers. East-West Airlines has entered into a partnership with the wireless phone company Telcon to sell the latter’s service via direct mail. The file EastWestAirlinesNN.csv contains a subset of a data sample of who has already received a test offer. About 13% accepted.

You are asked to develop a model to classify East-West customers as to whether they purchase a wireless phone service contract (outcome variable Phone_Sale). This model will be used to classify additional customers.

Run a neural net model on these data, using a single hidden layer with 5 nodes. Remember to first convert categorical variables into dummies and scale numerical predictor variables to a 0-1 (use function preprocess() with method=“range” – see Chapter 7). Generate a deciles-wise lift chart for the training and validation sets. Interpret the meaning (in business terms) of the leftmost bar of the validation decile- wise lift chart.
Comment on the difference between the training and validation lift charts.
Run a second neural net model on the data, this time setting the number of hidden nodes to 1. Comment now on the difference between this model and the model you ran earlier, and how overfitting might have affected results.
What sort of information, if any, is provided about the effects of the various variables?

 

Sample Solution

is form of discrimination applies to disability (and gender reassignment). ‘Broadly, this means that it is unlawful to apply a policy or practice that puts those who share a protected characteristic at a particular disadvantage’.According to The Equality and Human Rights Commission (2010) if a school puts into place a policy or practice which applies to all children but which is a disadvantage to children with disabilities, then indirect discrimination will have been deemed to have occurred if the school cannot show that the policy is justified.. An example might be a school having a rule that all pupils must be able to make their own way to and from after school clubs independently. There are certain disabled and SEN students who would find this task difficult, therefore this is indirect discrimination.

Harassment is also prohibited under the EA (2010) and the act states clearly that there are three types of harassment against disabled students that are not allowed. The EHRC Creating a fairer Britain (2010) describes harassment, which is now prohibited as the following;

  • Harassment related to a relevant protected characteristic is unwanted behaviour and which has the purpose or effect of violating a pupil’s dignity or creating an intimidating, hostile, degrading, humiliating or offensive environment for the pupil. In the case of most schools this will include disability, race and sex.
  • Sexual harassment under the EA is described as unwanted behavior which is of a sexual nature and which has the purpose or effect of violating a pupil’s dignity, or creating an intimidating, hostile, degrading, humiliating or offensive environment for the pupil
  • Less favourable treatment of a pupil because they submit to or reject sexual h

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