Useful tips for everyday
What does a low Gini index mean? The Gini coefficient is the most well-known measure of income inequality. A Gini coefficient of zero means there…
What is the formula of chi square distribution test is? The chi-square distribution (also called the chi-squared distribution) is a special case of the gamma…
What are orthogonal predictors? Simply put, orthogonality means “uncorrelated.” An orthogonal model means that all independent variables in that model are uncorrelated. If one or…
When interpreting a hypothesis test report the p-value and? The smaller the p-value, the stronger the evidence that you should reject the null hypothesis. A…
Is the test statistic value? A test statistic is a standardized value that is calculated from sample data during a hypothesis test. The procedure that…
How much do Virgin charge for going over data? With so much to stream, download and enjoy online, sometimes your megabytes just don’t stretch far…
What part of a pie chart is the legend? In a chart or graph in a spreadsheet program such as Microsoft Excel, the legend is…
How do I select part of a PDF document? Selecting and copying text in a PDF file To copy text, choose Tools > Text Tool…
How do you know if data is numerical or categorical? Qualitative or categorical data have no logical order, and can’t be translated into a numerical…
What does the symbol mean in R? registered trademark The R symbol indicates that this word, phrase or logo is a registered trademark for the…