Useful tips for everyday
How do you check associations between variables? The chi-square test for association (contingency) is a standard measure for association between two categorical variables. The chi-square…
Why is my iPhone compass pointing the wrong way? Head to Settings > Compass make sure that True North is enabled. If Compass doesn’t see…
How do I get bash errors? There is no try/catch in bash; however, one can achieve similar behavior using && or || . it stops…
How do you count nucleotides in DNA? To get the count of each type of nucleotide in some DNA, you have to look at each…
How much should I charge to paint a door? The national average materials cost to paint a door is $6.67 per door, with a range…
What does standard error mean? Standard error of the mean (SEM) measured how much discrepancy there is likely to be in a sample’s mean compared…
Can you automatically add page numbers to a PDF? Acrobat lets you add a header and footer throughout a PDF. Headers and footers can include…
How do I update Parallels Desktop? Manual Updating Launch Parallels Desktop. From the Help menu, choose Check for Updates. If there is one or more…
How do you indent text wrap in word? In the Indentation area of the form, pull down the Special control and choose Hanging. Set the…
How does a Markov chain work in MCMC? With MCMC, we draw samples from a (simple) proposal distribution so that each draw depends only on…