Useful tips for everyday
What is Anova with and without replication? The fundamental difference between Anova two-factor with replication and without replication is that the sample size is different.…
When do you need to split data into test and train sets? As a data scientist, reality is often on the contrary. It may so…
How do we locate t values in the t-distribution table? To help you find critical values for the t-distribution, you can use the last row…
How can graphs be interpreted? To interpret a graph or chart, read the title, look at the key, read the labels. Then study the graph…
How do the posterior mean and variance change if more data is received? The short answer is that, in expectation, the posterior variance decreases as…
What is a good p-value for linear regression? A low p-value (< 0.05) indicates that you can reject the null hypothesis. In other words, a…
What is the percentage of dying while driving? The odds of dying in a car crash are one in 107. Roughly speaking, you have a…
What is minimum support in frequent itemset generation of Apriori algorithm? Frequent itemsets are those items whose support is greater than the threshold value or…
What is multigroup structural equation modeling? Multigroup structural equation modeling (SEM) plays a key role in studying measurement invariance and in group comparison. Parallel to…
Is the product of white noise stationary? White noise is the simplest example of a stationary process. An example of a discrete-time stationary process where…