Useful tips for everyday
What is quadratic effect in regression? A quadratic effect is an interaction term where a factor interacts with itself. So, X is a linear term,…
What do you do with outliers in data analysis? 5 ways to deal with outliers in data Set up a filter in your testing tool.…
What is a mixed factorial ANOVA? design that has a pretest and a posttest. Such a design is called a “mixed factorial ANOVA” because it…
How do you determine the significance of the relationship between two continuous variables? For the first of these, the statistical method for assessing the association…
What are the 5 earthquake hazards? Earthquake hazard is anything associated with an earthquake that may affect the normal activities of people. This includes surface…
How do you interpret the p-value and T value? The larger the absolute value of the t-value, the smaller the p-value, and the greater the…
How are means and variances add when summing random variables? The fact that the means and variances add when summing S.I. random variables means that…
Why are standard errors high in GLM using R? When I use a GLM using R, my standard errors are ridiculously high. It can’t be…
Why do we use multivariate time series analysis? There are lots of projects with univariate dataset, to make it a bit more complicated and closer…
What is a binary distance? Similarity of dissimilarity (distance) of two objects that represented by binary variables can be measured in term of number of…