Useful tips for everyday
When to do feature selection before or after split? The contradicting answer is that, if only the Training Set chosen from the whole dataset is…
How can we compare survival between two groups? To compare survival between groups we can use the log rank test. The null hypothesis is that…
Does ORM use SQL? An ORM library is a completely ordinary library written in your language of choice that encapsulates the code needed to manipulate…
Can you play DVDs from other countries? Each region uses it’s own disc encoding, and the players from each region are set to only decode…
How do I boot my MacBook Pro 2012? Start up a Mac with Apple silicon in safe mode On your Mac, choose Apple menu >…
What are curved ceilings called? A coved ceiling has rounded edges, rather than sharp corners. Do vaulted ceilings add value? Vaulted ceilings can add value…
What does increasing the learning rate do? Generally, a large learning rate allows the model to learn faster, at the cost of arriving on a…
How do I push a local Postgres database to Heroku? I want to push my local postgresql database to heroku, using heroku pg:push command. The…
Why is scaling important for PCA? Scaling (what I would call centering and scaling) is very important for PCA because of the way that the…
Is Google Chat the same as Gmail chat? How is Chat in Gmail different from Chat? You get the same features in Chat and Chat…