Useful tips for everyday
Is BM25 better than TF IDF? In summary, simple TF-IDF rewards term frequency and penalizes document frequency. BM25 goes beyond this to account for document…
What is confusion matrix precision? Visualizing Precision and Recall First up is the confusion matrix which is useful for quickly calculating precision and recall given…
What is the relationship between log? Logarithms are the “opposite” of exponentials, just as subtraction is the opposite of addition and division is the opposite…
How does a vertical panel saw work? Vertical panel saws, commonly known as a wall saw (Figure 2), cut the panels on a vertical work…
How do I stop iPhone mail from embedding attachments iOS 14? Let’s dive right in! Attach A Non-Image File. One way you can try to…
What is the meaning of step response? In electronic engineering and control theory, step response is the time behaviour of the outputs of a general…
How to know what Sigma should be for Gaussian filtering? When applying a Gaussian blur to an image, typically the sigma is a parameter (examples…
Is Lasso regression A GLM? Lasso is a regularization technique for estimating generalized linear models. Lasso includes a penalty term that constrains the size of…
How to create a virtual layer in SQL? For example, if you have a layer called regions, you can create a new virtual layer with…
Is Mac OS X based on Unix or Linux? You may have heard that Macintosh OSX is just Linux with a prettier interface. That’s not…