Useful tips for everyday
What is the first step when deciding on whether to carry factor analysis? First go to Analyze – Dimension Reduction – Factor. Move all the…
What is meant by Hopfield network? Hopfield network is a special kind of neural network whose response is different from other neural networks. It is…
How does selection bias occur? Selection bias occurs when the association between exposure and health outcome is different for those who complete a study compared…
What is table of values in probability? What is a Probability Distribution Table? A probability distribution table links every outcome of a statistical experiment with…
How are ordinary least squares used in regression? Ordinary Least Squares. The ordinary least squares (OLS) approach to regression allows us to estimate the parameters…
Is p-value the same as standard error? The formula, (1-P) (most often P < 0.05) is the probability that the population mean will fall in…
How to implement a Bayesian linear regression in R? Today we are going to implement a Bayesian linear regression in R from scratch and use…
What is DTW time series? Dynamic Time Warping (DTW) is a way to compare two -usually temporal- sequences that do not sync up perfectly. It…
Which is the correct number of clusters to have? From this reasoning it could be possible to pick 3 clusters as the final solution. There…
When estimating the population mean the sample mean is always a better estimate than the sample median? “The variance of the sampling distribution of the…