Useful tips for everyday
How do you calculate the mean and std dev? The mean of the sample mean ˉX that we have just computed is exactly the mean…
How are Jenks natural breaks calculated? Here 3107.102 (cell L7) represents the total squared deviation for the partition found using the Jenks Natural Breaks algorithm,…
What can you do with a PhD in AI? Examples destinations for an AI PhD student include: Data Analyst – If you are very analytical…
What is a corresponding coefficient? When you have two polynomials that equal each other, their corresponding coefficients equal each other. What is coefficient example? A…
Which data model graph is used in data structure? A graph is a non-linear data structure, which consists of vertices(or nodes) connected by edges(or arcs)…
What is linear algebra used in? Combined with calculus, linear algebra facilitates the solution of linear systems of differential equations. Techniques from linear algebra are…
What do you need for a MANOVA? In order to use MANOVA the following assumptions must be met: Observations are randomly and independently sampled from…
When was the generalized method of moments formalized? GMM estimation was formalized by Hansen (1982), and since has become one of the most widely used…
Is PCA a linear autoencoder? PCA is essentially a linear transformation but Auto-encoders are capable of modelling complex non linear functions. PCA is faster and…
Why the pdf of a random variable can be greater than 1? Remember that the integral of the pdf function over the domain of a…