A novel intelligent classification model for breast cancer diagnosis.

•A novel intelligent classification method for breast cancer diagnosis is proposed.•The novel method has considered the misclassification cost of the breast cancer tumor.•The novel method called “IGSAGAW-CSSVM”, which applied IGSAGAW for feature selection and CSSVM perform for breast cancer classification.•The classification results by our proposed method, Genetic Algorithm Wrapper and Baseline classification models are compared for WDBC and WBC data sets.