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Then the dot has special meaning. For all objects with class myclass calling. Myfunction(a). Will actualy call function myfunction.myclass: > myfunction(a) [1] 2. This is used widely in R...


Related QuestionsMore Answers Below. What does the "i" mean in R?


Comparing the means of two independent groups: Unpaired Two Samples T-test (parametric).


In maths, R means the set of all real numbers. Real numbers are those numbers that exist well within the real world.


Mean. It is calculated by taking the sum of the values and dividing with the number of values in a data series. The function mean() is used to calculate this in R.


Much like y = bx + c means that y ~ x. Formulas are one of the corner stones of R, and you will need to understand them to use R efficiently. Most frequently, formulas are used in modeling of all sorts...


Clustering techniques have a wide use and importance nowadays. This importance tends to increase as the amount of data grows and the processing power of the computers increases. Clustering applications are used extensively in various fields such as artificial intelligence, pattern recognition, economics...


In this post I will show you how to do k means clustering in R. We will use the iris dataset from the datasets library.


K-means Clustering (from "R in Action"). In R’s partitioning approach, observations are divided into K groups and reshuffled to form the most cohesive clusters possible according to a given criterion.


%>% means whatever you want it to mean, in Base R anyway: > %>% Error: unexpected SPECIAL in "%>%". (which means that symbol is not defined.).