by Andresa but sometimes Andressa as well as Andreza
The journal
by Andresa but sometimes Andressa as well as Andreza
Motivation In October 2019 Canadians went to polls to vote for Prime Minister. The 10 months that preceed the voting were marked by polytical campaigning and by many releases from the press. This post has as goal to show how you can use a machine learning technique to verify if a press article has any […]
This is a pretty long tutorial and I know how hard it is to go through everything, hopefully you may skip a few blocks of code if you need One of the oldest problem in Statistics is to deal with unbalanced data, for example, surviving data, credit risk, fraud. Basically, in any data where either […]
Last month I was invited to a panel and was asked the difference between these three roles. With the growing of the need of data driven companies and the boom into technology industry worldwide, more and more people demonstrate interest for the data field which combined with the amount of data collected by organizations result […]
Last fall I was invited to a panel to talk about how to transition from a Digital Analytics to a Data Scientist role. This is a question that I get frequently so here are my thoughts. Do you really want to become a data scientist? I, myself, had doubts for a while until I finally […]
About a year ago I got rejected for a job that I really wanted and I got devastated after that. I knew the company and I was a passionate client, I also knew the founders and I thought the role was a perfect fit for me, needless to say that when I heard the words […]
This past week I got asked this question and although I have no doubts when I am creating my Adobe Analytics (AA) segments I still could not give a clear answer. Later on that day, I stoped and thought about my logical mechanism to create the segment. This is how I choose. Problem that I am […]
One of the concepts that people usually misunderstand when speaking about digital data is the terminology used in the platforms. For example, I often hear these questions: “Are you giving me unique visitors or visitors?” Or even “do you have unique visits too?”. They exemplify how the concept is not crystal clear and therefore, they […]
Well often I’m asked how an A/B test work. So my first saying, which is the most important thing that I’m going to mention here, is: A/B test is not a simple comparison of frequencies. So don’t ever use the terminology A/B test when you are just comparing 2 numbers, like EVER. Now that we […]
This is my first post (yaaay \o/). Sometimes it’s hard to understand the meaning of CLT and convergence. I realized many times when people first hear about these concepts that they actually don’t know what it’s. And they stay this way until they learn (if they learn) more advanced theories. One of the first things […]