Nguyễn Ngọc Hiền Nowdays, a massive amount of data has been generated for every single second, which is increasing the need for data analysis. The data is not only in form of figures, but also in text. That leads to the term of data science in general and text mining in particular. With the text […]

Nguyễn Ngọc Hiền In order to maintain the operator productivity associated with higher retention rate, a manufacturer shall measure its operator performance and make up appropriate incentive schemes for those operators who achieve the performance targets. This article not only shows how a practical performance measurement system was realized but it was also presented in […]

NGUYỄN NGỌC HIỀN ANOVA stands for ANalysis Of VAriance. The following post will show you the practical implementation of One-Way ANOVA analysis in testing the heating temperature on the surface of shoes’ outsole. Problem Background The quality of adhesive bonding applied in shoes production is heavily affected by the heating temperature. Not too hot, not […]