Statistics Using R contains tutorials about how to solve statistical problems using R Programming
In this tutorial, you will learn about what is harmonic mean, when harmonic mean is used and how to calculate harmonic mean in R. What is harmonic mean? Harmonic mean is a measure of central tendency. It is useful in finding the averages involving time, rate, price and ratio. Let $x_i, i=1,2, \cdots , n$ …
In this tutorial, you will learn about what is geometric mean, when to use geometric mean and how to calculate geometric mean in R. What is geometric mean? Geometric mean is a measure of central tendency. It is useful in averaging rate of changes when ratio changes are more important that the absolute changes. Let …
In this tutorial, you will learn about what is moment coefficient of kurtosis and how to calculate moment coefficient of kurtosis in R. Moment Coefficient of Kurtosis The literal meaning of kurtosis is peakedness or flatness of the data. The kurtosis measures how peaked or how flat the histogram is relative to the bell-shaped histogram. …
In this tutorial, you will learn about what is moment coefficient of skewness and how to calculate moment coefficient of skewness in R. Moment Coefficient of Skewness Skewness is a measure of symmetry. The meaning of skewness is "lack of symmetry". Skewness gives us an idea about the concentration of higher or lower data values …
In this tutorial, you will learn about what is Kelly’s coefficient of skewness and how to calculate Kelly’s coefficient of skewness in R. Kelly’s Coefficient of Skewness Skewness is a measure of symmetry. The meaning of skewness is "lack of symmetry". Skewness gives us an idea about the concentration of higher or lower data values …
In this tutorial, you will learn about what is Bowley’s coefficient of skewness and how to calculate Bowley’s coefficient of skewness in R. Bowley’s Coefficient of Skewness Skewness is a measure of symmetry. The meaning of skewness is "lack of symmetry". Skewness gives us an idea about the concentration of higher or lower data values …
In this tutorial, you will learn about what is Karl Pearson’s coefficient of skewness and how to calculate Karl Pearson’s coefficient of skewness in R. Karl Pearson’s Coefficient of Skewness Skewness is a very important concept in statistics and data science field. Skewness is a measure of symmetry. The meaning of skewness is "lack of …
Moments using R In this tutorial, you will learn about how to compute raw and central moments of a data set using R. Before we discuss R functions to compute moments, let us see why we need moments and how moments are defined. Why we need to find moments of a data set? Moments of …
In this tutorial you will learn about the what are quantiles and how to compute quantiles (quartiles, octiles, deciles and percentiles) using R. Quantiles using R Quantiles are the values which divides the entire data into some number of equal parts. The commonly used number of equal parts are 4, 8, 10 and 100. The …
In this tutorial, you will learn about what is five number summary statistics, actual calculation of five number summary and how to find five number summary statistics in R? What is 5-number summary? Five number summary, popularly known as Tukey’s five number summary, is a set of five descriptive statistics to summarize a continuous univariate …
