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What our learners say

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★ ★ ★ ★ ★

Takes his time to ensure students understand

Good training course provided by Dr Alvin Ang! Well-knowledgeable and takes his time to ensure his students understands the concept of the course (Excel Solver, Linear Programming). Very much well appreciated!
★ ★ ★ ★ ★

Clear, Practical, and Very Useful for My Work

Dr Alvin Ang, I enjoy the statistics, because it gives me ideals how to do the work. This is my second course with Tertiary Courses Singapore. Dr. Alvin Ang's Excel Power Query and Power Pivot class was clear, practical, and very useful for my work.
★ ★ ★ ★ ★

Structured so easily to follow

My biggest THANK YOU for the workshop on Claude! Cos you structured it so easily to follow, and easy to execute, I digested well. Thank you 师父 (master)!!
★ ★ ★ ★ ★

Well-structured, engaging and easy to follow

I had the pleasure of learning R Data Analytics and Visualization under Dr Alvin Ang at Tertiary Infotech. His lessons were well-structured, engaging, and easy to follow, allowing even complex R programming concepts to be understood with confidence. Through a combination of clear explanations, practical examples, and hands-on exercises, he created an enjoyable and highly effective learning experience. Throughout the course, Dr Alvin covered a comprehensive range of topics including data wrangling with the tidyverse, data visualization using ggplot2, data manipulation with dplyr, tidyr and readr, piping with %>%, text mining using wordcloud, and statistical analysis techniques that are highly relevant to real-world data analytics. He was always patient, approachable, and willing to answer questions, ensuring that every participant understood the concepts before moving forward. Beyond the classroom, Dr Alvin generously shared additional learning resources, industry insights, and practical career advice to support our continued learning journey. I would highly recommend Dr Alvin Ang to anyone looking to build a strong foundation in R programming, data analytics, and data visualization. His passion for teaching and depth of knowledge make him an outstanding trainer and mentor.