Info > Data Mining > 3-1. DM and DW > Hypothesis Testing and Measurement
¢¹¢º Hypothesis Testing and Measurement
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¢º the DW facilitates two other area of data mining.
¢º Hypothesis testing
¡Ø the verification of educated guess about patterns in the data
¡Ø Examples
¡æ Do tropical colors really sell better in Florida than elsewhere?
¡æ Do people tend to make long distance call after dinner?
¡æ Are the users of credit cards at restaurants really high-end customers?
¢º Measurement
¡Ø area where DW have proven to be very valuable.
¡Ø Examples
¡æ marketing efforts, product improvement
¡æ Did sales of others products improve?
¡æ Did customer attrition increase?
¡æ Did calls to customer serve decrease?
¡Ø Measurement enables an organization to learn from its mistakes and to build on its successes.
Info > Data Mining > 3-1. DM and DW > Hypothesis Testing and Measurement