Useful tips for everyday
Are order statistics IID? are n iid continuous random variables with a common density f, a distribution function F. The ordered values of the iid…
What happens when a model is misclassified in a SVM? A standard SVM tries to separate all positive and negative examples (i.e. two different classes)…
What is the t-value in hypothesis testing? The t-value measures the size of the difference relative to the variation in your sample data. Put another…
What is the alternative hypothesis for a chi-square? Alternative hypothesis: In Chi-Square goodness of fit test, the alternative hypothesis assumes that there is a significant…
How do you calculate weighted average ranking? To find your weighted average, simply multiply each number by its weight factor and then sum the resulting…
How does information value work? Information Value analysis is a data exploration technique that helps determine which columns in a data set have predictive power…
How do deterministic and probabilistic forecasts differ? Examples of a deterministic forecast include the first tweet above with a range of values for potential ice…
Why do we use sample variance? When you collect data from a sample, the sample variance is used to make estimates or inferences about the…
What is the most beautiful question? The 12 Most Beautiful Questions Ever Asked 1.) What would you do if you knew you could not fail?…
Can you retake color blind test? You will need to take a color vision test each time you reapply for a medical certificate. Try to…