品質工学の数理 15.計数データのSN比,順位のある場合

抄録

Among category data, there are two types, non-ordered category data and the other ordered. Good, medium, bad in appearance are ordered-category-data. Fine, cloudy, rainy in weather forcasting are also ordered-category-data. This chapter explaines the methods of data analysis for ordered category data to measure Signal-to-Noise ratio. An actual case study used for weather forcasting is presented.