Statistical Other Tutorials

To normalize the values in a dataset to be between -1 and 1, you can use the following formula: zi = 2…

You can use the Instr() function in VBA to check if a string contains another string. This function uses the following basic…

A two-way ANOVA is used to determine whether or not there is a statistically significant difference between the means of three or…

There are two common ways to create a vector of ones in R: Method 1: Use c() #create vector of 12 ones…

A probability distribution tells us the probability that a random variable takes on certain values.  In order for a probability distribution to…

A histogram is a type of chart that helps us visualize the frequency of values in a dataset. A symmetric histogram is…

The mode of a dataset represents the value that occurs most often. To find the mode in a histogram, we can use…

Quartiles are values that split up a dataset into four equal parts. To find the first and third quartile for a dataset…

In statistics, Sxy represents the sum of the product of the differences between x values and the mean of x and the…

In statistics, Sxx represents the sum of squared deviations from the mean value of x. This value is often calculated when fitting…