Useful tips for everyday
What are redundant variables? A redundant variable is one that exists exclusively to explain its value. Without exception, any variable used only once is redundant…
Is the timing analysis based on a technique? The timing analysis is based on the analysis technique presented in [15 ]. With this technique it…
What is the goal of supervised classification? The goal of supervised classification is to assign a new object to a class from a given set…
Are random walk models stationary? Random Walk and Stationarity. In fact, all random walk processes are non-stationary. Note that not all non-stationary time series are…
What is scale parameter in GLM? The scale parameter is an estimated model parameter related to the variance of the response. The scale weights are…
Which of the following is not an assumption for the simple linear regression model? Question: Which of the following is not an assumption for the…
What is autoregressive model in statistics? A statistical model is autoregressive if it predicts future values based on past values. For example, an autoregressive model…
What is included in univariate analysis? Univariate analysis explores each variable in a data set, separately. It looks at the range of values, as well…
What does probability plot tell you? The probability plot (Chambers et al., 1983) is a graphical technique for assessing whether or not a data set…
What does it mean if the coefficient of determination is close to 1? Understanding the Coefficient of Determination A value of 1.0 indicates a perfect…