How to do Uniform Distribution in R
Uniform Distribution in R, A uniform distribution is a probability distribution in which every value between a and b has the same chance of being chosen. The formula for calculating the likelihood of getting...
Naive Approach Forecasting Example
Naive approach forecasting example, A naïve forecast is one in which the forecast for a particular period is just the same as the preceding period’s value. For example, you sold 250 computers last month...
Systematic Sampling in R with example
Systematic Sampling in R, Systematic sampling is a sort of probability sampling in which individuals of a bigger population are chosen at random from a larger population but at a fixed, periodic interval. The...
How to perform Eta Squared in R
Eta Squared in R, Eta squared is a commonly-used effect size metric in ANOVA models. It is calculated as follows: It measures the proportion of variance associated with each main effect and interaction effect...
How to perform the Sobel test in R
How to perform the Sobel test in R, This tutorial will show you how to perform a Sobel test in R. The Sobel test is used to see if a variable carries (or mediates)...
Chi-Square Goodness of fit formula in R
Chi-square goodness of fit formula, To see if a categorical variable follows a hypothesized distribution, a Chi-Square Goodness of Fit Test is utilized. This lesson will show you how to use R to run...
How to find a Trimmed Mean in R
Trimmed Mean in R, A trimmed mean is a dataset’s mean that has been determined after deleting a certain percentage of the dataset’s smallest and greatest values. In other words, before determining the mean,...
Get and Set working directory (setwd / getwd) in R
Get and Set working directory in R, Your environment is always pointed to some working location when you use R. To get the working directory and set the working directory in R, use the...
Sample and Population Variance in R
Sample and Population Variance in R, The variance is a metric for determining how dispersed data values are around the mean. Variance is the expectation of a random variable’s squared departure from its mean...
Import CSV Files into R Step-by-Step Guide
Import CSV Files into R, the contents of a CSV file are stored in a tabular-like style with rows and columns. A delimiter string separates the values of the columns in each row. K...