Useful tips for everyday
Can you do VIF on categorical variables? VIF cannot be used on categorical data. Statistically speaking, it wouldn’t make sense. If you want to check…
Does docker take a lot of space? Docker images, both big and small, take space on your hard drive. Constantly creating — or, “building” in…
What is a quadratic coefficient? The coefficient of the quadratic term, a, determines how wide or narrow the graphs are, and whether the graph turns…
What do you need to know about PCA algorithms? Often, people end up making a mistake in thinking that PCA selects some features out of…
How to match all characters between two strings in Java? RegEx to match everything between two strings using the Java approach. List results = new…
Should I use EQ with headphones? If you enjoy your headphone’s signature sound and want to avoid digital clipping at all costs, you should not…
How do you find the equivalent z-score? How do you calculate the z-score? The formula for calculating a z-score is is z = (x-μ)/σ, where…
Why do neural networks generalize? To generalise means that a trained network can classify data from the same class as the learning data that it…
What is the rationale for the test statistics used in the Wilcoxon signed rank test? The Wilcoxon test is a nonparametric statistical test that compares…
How do you rotate a slow motion video on iPhone? In the finder, select the video file and hit space to bring up a Quick…