Useful tips for everyday
What do you need to know about cluster validation? Relative cluster validation : The clustering results are evaluated by varying different parameters for the same…
How do you calculate predicted R-squared in R? adjusted R-squared = 1 – ((1-R2)*(n – 1)/(n – p)) where n is the number of measurements…
Are the error terms independent? The error terms are not independent. The error terms are not normally distributed. The error terms do not have equal…
What does pooling of data mean? What is data pooling? Data pooling is a process where data sets coming from different sources are combined. This…
Where can you find statistics in our daily life? Statistics Role In Real Life 1) Medical Study. Statistics are used behind all the medical study.…
How to run a negative binomial regression with GLM? You can also run a negative binomial model using the glm command with the log link…
How do you sample from a categorical distribution? There are a number of methods, but the most common way to sample from a categorical distribution…
What does it mean for results to not be statistically significant? This means that the results are considered to be „statistically non-significant‟ if the analysis…
How to interpret regression models that have significant? However, these interpretations remain valid for multiple regression. Let’s consider two regression models that assess the relationship…
Can you correlate dichotomous variables? Yes, we can use Pierson product moment correlation for two variables (one may be dichotomous). Sometimes is better to useBISERIAL…