Blog Difference Between Data Analyst & Data Scientist An FAQ that gets asks in tech communities and Quora is "What is the difference between data analyst and data scientist?" I am going to attempt to answer it based
Blog Model Selection: Accuracy, Precision, Recall or F1? Often when I talk to organizations that are looking to implement data science into their processes, they often ask the question, “How do I get the most accurate model?”. And
Blog Gradient Descent Explained Simply For any "Introduction to Machine Learning" classes, two questions get asked a lot of times and that is “What is gradient descent?” and “How does gradient descent figure in Machine
Blog Good Learning Resources for Data Scientists I get asked a lot of times what are the learning resources that I go to, to learn more about the Data Science or Artificial Intelligence. This blog post will
Blog Data Scientist: From Good to Great (II) After I wrote the blog post on how to be a GREAT data scientist, I continued to ask the question, “How can one be a great data scientist that continuously
Blog Data Scientist: From Good to Great (I) Many of you who are starting out on Data Science and looking for materials on what to study, probably have come across Drew Conway’s Venn Diagram on the meaning
Blog Building the Thought Process to Solve Business Challenges through Data In my last post on preparing your data science resume and project portfolio, I was discussing about showcasing the thought process that one has, the thought process on how to
Blog How to Prepare Your Data Science Resume and Portfolio In the past few years, I have met up with a lot of employers and conducted interviews for training program. Through the conversations and interviews, and together with the end
Blog Yes, Data Scientist needs Strategic Thinking! Having done training and mentoring for quite a while, I noticed something that is not taught in most data science curriculum and in my opinion, its an essential business knowledge
Blog What are all these terms … Data Science, Machine Learning, Artificial Intelligence? As many of you know, I conduct training in a few institutions in Singapore. For instance, NUS SCALE, SAS Institute and SMU Academy. A frequent comment that participants make during
Blog Should Start-Up do Data Science? Through my discussion with people on data science and artificial intelligence, I often hear people saying, “Start-ups do not need data science. Let’s focus on capturing users by building
Blog Data Science is a Journey, not an End Running my DataScience SG community, I often have hiring requests from employers directed to me. Unfortunately, when these employers shared their hiring demand, job description etc, it shows that they
Blog Building Data Science Capabilities in Organizations During personal discussions or networking events, I am often asked by business owners, department/function heads the following question “I believed what data science can do for my team, but
Blog Exploratory Data Analysis - Part 2:Using Visualization Continuing from my previous post on the calculations to do when conducting Exploratory Data Analysis, in this blog post, I am going to discuss how to use visual to explore
Blog Exploratory Data Analysis - Part 1: Non-Visual I get asked many times “How can I do a good Exploratory Data Analysis (EDA) so that I can get the necessary information for feature engineering and building machine learning
Blog Becoming a Data Scientist - Part 4: Domain Expertise Following the few posts that discuss what are the knowledge that someone who is interested to pursue a data science career(overall, mathematics, data & IT management), I shall now
Blog Becoming a Data Scientist - Part 3: Data & IT Management In my last two posts, I have given an overall view of the skills and knowledge needed by a data scientist and also did a discussion on the mathematics that
Blog Becoming a Data Scientist - Part 2: Mathematics I have written an overall view on the skills and knowledge needed by a data scientist. You can find the article here. Quick catch-up, this was the Venn Diagram that
Blog Becoming a Data Scientist - Part 1 An FAQ I get most of the time at a meetup, seminar or training session is, “Given my XXX (to list the common ones, they are Computer Science, Statistics, Engineering,
Blog Artificial Intelligence: 2020 and Beyond In the past year, we have seen exciting developments in what Artificial Intelligence has to offer. In 2013, Artificial Intelligence started to dominate simple Atari games. Fast forward six years