Tagged: statistics

How to Calculate Relative Frequencies in R?

How to Calculate Relative Frequencies in R?, The relative frequencies/proportions of values in one or more columns of a data frame can frequently be calculated in R. Data Science Statistics Jobs  » Are you...

How To Extract Year From Date in R?

How To Extract Year From Date in R, In a data frame, your code might mistakenly attempt to apply a DateTime function to some random code fragment that isn’t even in the date column,...

How to do log transformation in R-Complete Guide

How to do log transformation in R?, when working with statistics, it occasionally happens that data become skewed, with higher concentrations at one end and lower values at the other. As a result, there...

Basic statistics concepts

Basic statistics concepts, The Z value is a measure of standard deviation, or how far the observed value deviates from the mean. For example, the value of z value = +1.8 indicates that the...

Nonlinear Regression Analysis in R

Nonlinear Regression Analysis in R, when at least one of the parameters in a regression appears to be nonlinear, it is called nonlinear regression. It is often used to sort and analyze data from...

Common Misconceptions About Machine Learning

Common Misconceptions About Machine Learning, what is the relationship between machine learning and statistics? Are they distinct fields in their own right? What role do statistics play in machine learning? Is the meteoric ascent...

Kappa Coefficient Interpretation Guide

The kappa coefficient, which is used to determine inter-rater reliability or agreement, is explained in this article. The magnitude of kappa is frequently more important in most applications than the statistical significance of kappa....

Clustering Example Step-by-Step Methods in R

Clustering Example Step-by-Step Methods in R, This post will walk you through a k-means clustering example and provide a step-by-step method for conducting a cluster analysis on a real data set using R software....