Useful tips for everyday
What is the scale of RMSE? The Root Mean Square Error (RMSE) A value of zero would indicate a perfect fit to the data. Since…
How to do a Markov chain analysis in R? This analysis was conducted using the R programming language. R has a handy package called a…
What is a Gjr GARCH model? GJR-GARCH offers what vanilla GARCH has to offer, plus the leverage effect. In general, a richer model (e.g. GJR-GARCH)…
What is the formula for the standard deviation of the sampling distribution of the mean? If a random sample of n observations is taken from…
What does the z-score of Z represent in terms of standard deviations and the mean? The value of the z-score tells you how many standard…
Which paper introduced convolutional neural networks? The one that started it all (Though some may say that Yann LeCun’s paper in 1998 was the real…
Is SSR the same as SSM? They are the same if your linear regression model only has an intercept term. Otherwise they are different. What…
What are the differences between classification problems and regression problems are there any similarities? Fundamentally, classification is about predicting a label and regression is about…
Is a Markov chain a stochastic process? A Markov chain is a stochastic model describing a sequence of possible events in which the probability of…
How to calculate the probability of winning the second prize? So the probability of winning the second prize is (6C5)(42C1) 48C6 = 252 12271512 ≈0.0000205…