Useful tips for everyday
How do you determine confidence interval? If you want to be more than 95% confident about your results, you need to add and subtract more…
How do they diagnose psychiatric disorders? A medical professional determines a diagnosis by interviewing you about your history of symptoms. Sometimes a doctor will require…
What does it mean when mean and variance are equal? Equal variances (homoscedasticity) is when the variances are approximately the same across the samples. If…
Is it possible to make a heavy tailed distribution? All long-tailed distributions are heavy-tailed, but the converse is false, and it is possible to construct…
Is the response variable good enough to fix the skew? My data contains some skewed features, and also the response variable (sale price) is also…
What is stationarity in panel data? Stationarity refers to time series, for panel data it is meaningless. Therefore, one should not test them for stationarity.…
Which is the formula for log transformed predictor? Log transforming estimates a geometric mean difference. If you log transform an outcome and model it in…
What is the main reason to use ensembles of learners? There are two main reasons to use an ensemble over a single model, and they…
What is the most random sport? Strangest Sports in the World Strangest Sports in the World. Face slapping is a popular pastime in some countries.…
Is S 2 standard deviation or variance? where σ2 is the population variance and s2 is the sample variance. The quantity xi−μ or xi−ˉx in…