Useful tips for everyday
When would you use a contrast analysis? Contrast analysis is helpful because it can be used to test specific questions of central interest in studies…
What is the LM test used for? The Lagrange Multiplier (LM) test is a general principle for testing hy- potheses about parameters in a likelihood…
Is PDF always continuous? The function f(x) is called the probability density function (pdf). The pdf always satisfies the following properties: The probability density function…
How does causal impact work in a time series? Originally developed as an R package, Causal Impact works by fitting a Bayesian Structural Time Series…
What is pricing of multiple products? The pricing in case of multiple products is called multiple product pricing. The demand curve for multiple products would…
Is the null hypothesis always opposite of the hypothesis? The null hypothesis, H0 is the commonly accepted fact; it is the opposite of the alternate…
How are feature selection and kernels used in SVM? The main objective in SVM is to find the optimal hyperplane to correctly classify between data…
How is a VAE used to generate samples? A VAE can generate samples by first sampling from the latent space. We will go into much…
What do we mean by ACF and pacf? Let’s understand what do we mean by ACF and PACF first, ACF is an (c o mplete)…
How do you use XPath in protractor? Dependent and Independent Xpath Based on the text present in the Protractor field, we have to write the…