Categories
Data Mining

Linear regression and Stochastic Gradient Descent

In this post we’ll show how to make a linear regression model for a data set and perform a stochastic gradient descent in order to optimize the model parameters. As in a previous post we’ll calculate MSE (Mean squared error) and minimize it.

Categories
Data Mining

Big Data, Data Analytics, Data Analysis, Data Mining, Data Science & Machine Learning

In this post, we’d like to share some of the most interesting terms that are used in today’s science and IT world. We think you will benefit from getting familiar with these modern tech-age expressions.

Categories
Data Mining

The stat visualization that makes sense

As I was searching for data mining and data visualization tools I came across the data visualization website Gapminder by Hans Rosling, the professor of Global Health in Karolinska Institute, Sweden. The website presents over a century of statistic data in visual form in graphs, the data being UN and other world organizations out-sourced.

The professor has done an extensive work with plenty of data sources for this data visualizer, and his efforts are notable.