If both height and weight are normally distributed, we use the Pearson’s correlation; otherwise Spearman’s correlation coefficient will be presented. Spearman’s correlation is also applicable for two categorical ordinal variables like pain intensity (no, mild, moderate, severe) with burn-surface-area (< 10%, 10% 19%, 20% 29%, ≥ 30%). Table I shows the correlation coefficient between height and ...

There are a variety of risks because of many factors’ influences in the process of logistics outsourcing. The logistics outsourcing risks are taken as the objects of study, based on rough sets model, the initial decision table is made reduction using Johnson Reducer algorithm, the weight coefficient of each risk index is determined by calculating the importance of attributes in the decision tab...

Searching learning or rules in relational database for data mining purposes with characteristic or classification/discriminant rule in attribute oriented induction technique can be quicker, easy, and simple with simple SQL statement. With just only one simple SQL statement, characteristic and classification rule can be created simultaneously. Collaboration SQL statement with any other applicati...