AI News, March Machine LearningMania

March Machine LearningMania

Update: If you want more practice data projects, be sure to check out http://www.teamleada.com In this post, we again use a third party data project taken from Kaggle, a company which hosts data science competitions.

Since this was a competition for a prize and not in the interest of learning, users are no longer able to submit their predictions to Kaggle and receive a score.

We hope this serves as another didactic example for people to follow along and since we are learners ourselves, we’d appreciate any feedback!

It’s a little bit more challenging than the Titanic data project, and we’ll do our best to explain everything as concise as possible.

Where the microscope enabled us to see things too small for the human eye, and what data analytics enables us to do now is see things previously too big.

Hal Varian, Chief Economist at Google, said this about the field of Data Analytics and Data Science: If you are looking for a career where your services will be in high demand, you should find something where you provide a scarce, complementary service to something that is getting ubiquitous and cheap.

So my recommendation is to take lots of courses about how to manipulate and analyze data: databases, machine learning, econometrics, statistics, visualization, and so on.

We are recent UC Berkeley grads who studied Statistics (among other things) and realized two things: (1) how essential an understanding of Statistics and Data Analysis was to almost every industry and (2) how teachable these analytic practices could be!

While copying and pasting allows you to run the code, you should read through and have an intuitive understanding of what is happening in the code.

Our goal isn’t to necessarily teach R syntax, but to provide a sense of the process of digging into data and enable you to use other resources to better learn R.

We again utilize the read.csv() function and set stringsAsFactors = FALSE which sets the columns of our data to be non-categorical and makes them easier to manipulate.

In the first stage of the Kaggle competition, you must make predictions on every possible first-round tournament matchups between every team for seasons N, O, P, Q, and R (each alphabet represents a season).

column, there will be numbers ranging from 0 to 1 representing the probability of the first TEAMID winning (the left side team).

column represents the probability of team ID 503 winning (or alternatively team ID 506 losing).

The code below will create a file in your working directory (the Kaggle folder on your desktop) that you can submit to the competition!

Here we simply guess 50% for every possible matchup, which is the equivalent of flipping a fair-coin to predict each game!

Specifically how can we use the data Kaggle has given us to predict each matchup, and more broadly what are the indicators for any given team winning a game in March Madness?

There is certain data that Kaggle doesn’t offer, that we may find intuitively significant or data we can create using the datasets Kaggle gives us.

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