Useful tips for everyday
How is t distribution used in real life? In statistics, the t-distribution is most often used to: Find the critical values for a confidence interval…
How do you interpret a confidence interval t test? So, if your significance level is 0.05, the corresponding confidence level is 95%. If the P…
What is GMM estimation in panel data analysis? As for cross section, there is not just one GMM for panel data. You can actually interpret…
Can a median be more than one in given set? But if there is an even number of data points, then there are two numbers…
Why would you use an XmR control chart instead of an XBAR control chart? Important notes on XmR Control Charts Use an X Bar S…
How do you test a model for goodness of fit? Goodness-of-fit tests are statistical tests aiming to determine whether a set of observed values match…
What is the basic difference between prediction and classification? Classification is the process of identifying the category or class label of the new observation to…
What is softmax function in deep learning? By Jason Brownlee on October 19, 2020 in Deep Learning. Softmax is a mathematical function that converts a…
How would you describe a post hoc test? Post hoc (Latin, meaning “after this”) means to analyze the results of your experimental data. They are…
How to simulate bivariate normal distribution in R? Figure 2 illustrates the output of the R code of Example 2. This time, R returned a…