Data Science Austria

3 Awesome Visualization Techniques for every dataset

Categorical Correlation with Graphs: In Simple terms, Correlation is a measure of how two variables move together. For example, In the real world, Income and Spend are positively correlated. If one increases the other also increases. Academic Performance and Video Games Usage is negatively correlated. Increase in one predicts a decrease … Read more3 Awesome Visualization Techniques for every dataset

How a team of deep learning newbies came 3rd place in a kaggle contest

Train model for 5 cycles with learning rate = 1e-2 We’ll train our model for 5 epochs (5 cycles through all our data) using the fit_one_cycle function. Training and validation losses Notice the metrics getting displayed i.e training_loss and valid_loss? We use them to monitor model improvements over time. Our … Read moreHow a team of deep learning newbies came 3rd place in a kaggle contest

Classification: A Linear Approach (Part 1)

Attempt #2 — Linear Discriminant Analysis (LDA) Figure 4 — Real dataset (left), LDA fitted dataset (right) Linear Discriminant Analysis (LDA) is an immediate improvement from our first attempt. Figure 4 shows the output from the LDA model on our training set. We no longer exhibit masking and the number of misclassifications have greatly reduced. … Read moreClassification: A Linear Approach (Part 1)

Need for Explainability in AI and Robotics

(Source = https://www.datanami.com/2018/05/30/opening-up-black-boxes-with-explainable-ai/) Introduction Breakthroughs in Artificial Intelligence (AI) taken place during the last few years enabled possibilities for computers to perform tasks that would have been impossible to do using traditional software programming. These advancements are now opening up to us an entirely new world of potential applications for … Read moreNeed for Explainability in AI and Robotics

Becoming a Data Scientist — When Dan Becker pointed out I had it all wrong

The head of Kaggle Learn gave me a flick between the eyes with his webinar Have you ever had a moment in your career when you think you’re on the right path, when you’re following a steady plan that leads you right to where you want to be and then have … Read moreBecoming a Data Scientist — When Dan Becker pointed out I had it all wrong

Which Democratic Candidate Gets the Most News Coverage?

A Data Analysis of the 2020 Presidential Contenders In the 2016 primaries, one key to Donald Trump’s success was his ability to get media attention. By some estimates, the obsessive wall-to-wall coverage of Trump was the equivalent of 2 billion dollars of free advertising¹ for his campaign. In this age … Read moreWhich Democratic Candidate Gets the Most News Coverage?