As a PM you will always need metrics prior to product development, any new A/B experience. you will be always trying to optimize towards a specific metric. The goal is to build a data-driven product. It is always very important to pick the right metrics for each problem. If we…

What is the one new feature you would recommend adding to this tool? I will start by defining the problem, I believe this below feature will solve. …

I had this realization that it doesn’t matter how you are feeling now. you have to always take care of your body, your hair, your health, your food. It just hit me that it is okay to feel bad about how you are doing in life or in your work…

A story about how we always fail to learn from our mistakes… How does disrupting the natural ecosystem can cause problems, really big problems? Incident 1: The 4 Pests Campaign in China It started back in 1958 by the beginning of the era of the communist ruler Mao Zedong who wanted to turn the country from an agrarian country into an industrial country. the country was suffering from many diseases…

You start and I’ll follow You’ll disappear and I’ll be left Light my fire and I’ll be fine Give me a hand and I’ll survive But the fire will fade, and you’ll be gone My heart is burning, I’m going home to you My soul is seeking you, please respond and I’ll follow Singing' don’t worry 'bout…

Through this post, I will try to make the process of building your first chatbot less intimidating, Hope you enjoy the ride! We can divide the project into 4 consecutive steps but before going through those steps, we better start to decide the scope of our Chatbot. My Chatbot can…

Machine Learning Theory at http://hunch.net This is a blog by John Langford, the brain behind Vowpal Wabbit (http://hunch.net/~vw/), but guest posts also appear. The average pace is approximately one post per month. The posts are more theoretical. They also offer additional value in brain teasers. Text and data mining by…

Let’s start by defining what is meant by Classification, Classification is the process of trying to assign something to one of the available groups. You may have 2 groups (Binary Classification) or more than 2 groups (Multi-class Classification). Classification Algorithms includes: (Logistic Regression, K-Nearest Neighbor, Support Vector Machine, and Naive…

To illustrate the model selection task, I will consider the problem of learning one dimensional/ simple linear regression. Suppose that the training set can be plotted as the following figure: We can consider fitting a polynomial to the data. However, we might be uncertain regarding which degree d would give…