Useful tips for everyday
What do you mean by location parameters? What is a Location Parameter? The location parameter tells you where your graph is located. More specifically, it…
What does Studentized mean in statistics? In statistics, Studentization, named after William Sealy Gosset, who wrote under the pseudonym Student, is the adjustment consisting of…
Is there a PDF for the multivariate lognormal distribution? However I could not find a pdf for the multivariate lognormal distribution. Does it exist? If…
What is the difference between a p-value and an effect size? The effect size is the main finding of a quantitative study. While a P…
Should test and control groups be the same size? The size of the control group, or any test group for that matter, depends on the…
Is Arima accurate? Accuracy Results. ARIMA (1,1,33) model showed better accuracy. Although within the measurement of MAPE, the accuracy was 99.74% and ARIMA (1,2,33) was…
How does the t-distribution arise? In probability and statistics, Student’s t-distribution (or simply the t-distribution) is any member of a family of continuous probability distributions…
What is beta1 hat in regression? Regression describes the relationship between independent variable ( x ) and dependent variable ( y ) , Beta zero…
Which is an example of a nonlinear regression? Intrinsically linear models are nonlinear, but by using a correct transformation they can be transformed into linear…
How do you estimate prediction intervals? In addition to the quantile function, the prediction interval for any standard score can be calculated by (1 −…