Khai Thác Dữ Liệu với R (Data Exploration with R)

LỜI MỞ ĐẦU Phân tích dữ liệu là một trong các chủ đề được quan tâm và thu hút bạn đọc trên toàn thế giới. Bởi vì quá trình chuyển dữ liệu thô thành dữ liệu có thể dùng được và phân tích dữ liệu để đưa ra kết luận khoa học là rất quan trọng trong hầu hết các quyết định kinh tế và kỹ thuật. Các kỹ thuật phân tích dữ liệu ngày càng trở nên quan trọng hơn trong thời đại kỹ…

(Android App) Master Lean Six Sigma – Quiz

Get triple the value by “LEARNING” and “PLAYING” at “COST EFFECTIVE” with MASTER LEAN SIX SIGMA QUESTIONS and ANSWERS apps for Android! Watch my introduction here and Visit my at Google Pay Store or search on Play Store (android app): “Master Lean Six Sigma – Quiz” OVERVIEW: MASTER LEAN SIX SIGMA android app contains a targeted curriculum of 999 questions addressing key topics of Lean Six Sigma. This curriculum is regularly updated online to ensure the latest knowledge in the field. Each question is grouped…

Lean Production Characteristics discovered by Literature-Review Text Mining

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 mining and data visualization, the following article, namely Literature Review with Data Mining, is dedicated for disclosing the inherent characteristics of Lean Production based on the research outcomes released by…

SMED for Quick change over

Phương pháp SMED-Chuyển đổi nhanh NGUYỄN NGỌC HIỀN Abstract: One of the improvement tools in manufacturing defining an unique feature of the Toyota Production System is Quick Change Over, well known as the Single-Minute Exchange of Die (SMED). Reducing changeover time is a major objective of this approach by distinguishing between internal activities & external activities, and thereby providing improved measures for those activites to dwindle the total changeover time. For this post, readers will be added a practical example of the application of the…

Data Science with Free Springer Books durante la cuarentena del Covid-19

Ethically, you shall pay something to exchange for other things. However, there is a special thing that should be shared to all others who are limited for the access is knowledge! Due to the fact that, what makes the human is different from other species is the accumulation of knowledge via books, hand-writing and recorded information throughout history [this statement was derived from Scientists!] In the era of data science, Springer offers a hundred of books in free of charge via this link. Enjoy!

Re-engineering Dust Collector in EVA polishing process in Shoes Manufacturing

Nguyễn Ngọc Hiền Abstract: Not only is the data analysis important in operations excellence, but the engineering mindset and thinking play a crucial role to put an end on the problem as well as maximize the effectiveness and efficiency of concerned processes. The following example is a typical design-engineering problem in shoes manufacturing processes; specifically, EVA polishing process, which existed for years and caused a significant loss on quality and financial measures of the company. Before any improvements were made, the byproducts in form of…

Visualizing KPI Dashboard of Operator Productivity

Nguyễn Ngọc Hiền Abstract: 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 a visual way for effortless management. In order to maintain the morale and loyalty of direct production operators, the manufacturer decided to build the performance measurement systems which evaluate…

Data visualization with modern website platform

Trực Quan Hóa Dữ Liệu Trên Nền Tảng Web Hiện Đại Nguyễn Ngọc Hiền Abstract: With a massive amount of data in the age of Big data, the role of data visualization enhances the value of the unspeakable data and the enjoyment of users. Due to synchronized development, applications for data presentation are increasingly diversified, modernized and friendly with users. The following shows some well-known applications in the web platform. Tóm tắt: Với dung lượng dữ liệu trong thời đại dữ liệu lớn (Big Data)…

Inventory Planning Model

Mô hình lập kế hoạch tồn kho NGUYỄN NGỌC HIỀN Abstract: The complexity in managing the inventory in a real business is very prominent, which raises a need of model to logically calculate stock levels (such as safety stock,..). These stock levels were calculated by a dozen of formulas. To bring the formulas into the sun, I carefully connected one by one formula, which eventually results in the inventory planning model as illustrated: Tóm tắt: Tính phức tạp trong quản lý tồn kho thực tế…