Useful tips for everyday
Is Naive Bayes better than SVM? The consensus for ML researchers and practitioners is that in almost all cases, the SVM is better than the…
How do you find the critical value of a data set? In statistics, critical value is the measurement statisticians use to calculate the margin of…
How do you find the standard deviation of a sample proportion? The Sampling Distribution of the Sample Proportion. For large samples, the sample proportion is…
Why do we use triplicates? Triplicates in scientific experiments are important to validate empirical data or the observed results. Thus, the relative differences of data…
What does it mean if you fail to reject the null hypothesis? Failing to reject the null indicates that our sample did not provide sufficient…
How does the American Community Survey collect data? ACS data are collected primarily by mail using “paper and pencil” questionnaires, with telephone and personal visit…
What is measure of variability? Variability refers to how spread scores are in a distribution out; that is, it refers to the amount of spread…
When there is heteroskedasticity This means that? As it relates to statistics, heteroskedasticity (also spelled heteroscedasticity) refers to the error variance, or dependence of scattering,…
How do you calculate partial eta squared? Partial eta squared is the ratio of variance associated with an effect, plus that effect and its associated…
How can the variance of a portfolio be reduced? Modern portfolio theory says that portfolio variance can be reduced by choosing asset classes with a…