Useful tips for everyday
What is Channel whitening? A whitening transformation or sphering transformation is a linear transformation that transforms a vector of random variables with a known covariance…
What should be considered when choosing a medication with the patient? The 6 main variables of medication prescribing Height and weight. Sex. Age. Existing medical…
Is positively skewed data good? Central Tendency Measures in Positively Skewed Distributions You may encounter many exceptions in real life that violate the rules. Since…
What is parameters in distribution? Parameters of Normal Distribution The two main parameters of a (normal) distribution are the mean and standard deviation. The parameters…
Which is a characteristic of the ACF for the Arima? This is characteristic of the ACF for the ARIMA ( 0, 0, 1) × (…
Why confidence interval is not probability? The main reason that any particular 95% confidence interval does not imply a 95% chance of containing the mean…
Is the t test always correct to compare means? A frequent error is to use statistical tests that assume a normal distribution on data that…
How do you calculate AUC score in python without Sklearn? “how to make roc curve without sklearn” Code Answer import sklearn. metrics as metrics. #…
What is control and treatment in hypothesis? ¨ For example, you compare a treatment group to a non-treatment (control) group. The research hypothesis is that…
How does unequal sample size affect t-test? If sample sizes are unequal, unequal variances can influence the Type 1 error rate of the t-test by…