The fresh area above shows the major step 3 really extreme items (#twenty six, #36 and you will #179), that have a standardized residuals lower than -2. Although not, there is absolutely no outliers you to go beyond step three fundamental deviations, what’s a good.
At the same time, there’s absolutely no large influence reason for the information. That is, the data points, enjoys an influence statistic lower than dos(p + 1)/letter = 4/two hundred = 0.02.
An influential worth is an admiration, which addition or different can transform the outcome of your own regression study. Such as a value try associated with a massive recurring.
Statisticians are suffering from a great metric titled Cook’s point to find the determine regarding a value. This metric talks of dictate as a combination of influence and you may recurring proportions.
A rule of thumb is the fact an observation have highest dictate if Cook’s range exceeds cuatro/(letter – p – 1) (P. Read more