Direct marketing is an important tool in the promotion mix of companies, amongst which direct mailing is crucial. One approach to improve direct mail targeting is response modeling, i.e. a predictive modeling approach that assigns future response probabilities to customers based on their history with the company. The contributions to the response modeling literature are three-fold. First, we in...

The assumptions of statistical procedures are enforced more rigorously in some disciplines than in others. Previous research into the accuracy of predictive modelling techniques has provided examples where models based on data that violate the relevant assumptions is greater than that of models where the assumptions were satisfied. The purpose of this investigation was to develop two sets of 4 ...

BACKGROUND Unwanted pregnancy not intended by at least one of the parents has undesirable consequences for the family and the society. In the present study, three classification models were used and compared to predict unwanted pregnancies in an urban population. METHODS In this cross-sectional study, 887 pregnant mothers referring to health centers in Khorramabad, Iran, in 2012 were selected...

The development of telecom network and Internet provides effective ways for communication. As an important way in communication, Short Messaging Service (SMS) via both telecom network and Internet has played an increasing important role in daily life. However, it usually suffers from spam SMS that causes misunderstanding and cheat. The highly varying content, network environment make the identi...

This study investigates the writing style change of two Turkish authors, Çetin Altan and Yaşar Kemal, in their old and new works using respectively their newspaper columns and novels. The style markers are the frequencies of word lengths in both text and vocabulary, and the rate of usage of most frequent words. For both authors, t-tests and logistic regressions show that the length of the words...

The Child and Adolescent Functional Assessment Scale (CAFAS) is a multidimensional measure of degree of impairment in functioning. Interrater reliability data are presented for lay raters, graduate students, and frontline staff. Reliability was high for the total score and behaviorally-oriented scales. Construct, concurrent, and discriminant validity were assessed with the sample of children an...