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#Do loop in r install#
#Do loop in r software#

The R script is where you keep a record of your work.

Brauer Using scriptsĪn R script is a text file where you type the commands that you want to execute.

☞ Read Section 2.3 “Rstudio layout” from document “A (very) short introduction to R” by P. However, it is usually more convenient to use R scripts and type commands in the editor window You can type commands in the console window after the prompt (>) and press ENTER to execute the command line. Window 2 you should open or create a new script file: File -> New -> R Script The first time that you use Rstudio only windows 1, 3 and 4 are shown.

Files, plots, packages and help (bottom right).

The usual Rstudio screen has four windows. However, we recommend the use of the RStudio interface: When the installation is finished, you should see an “R” icon on your desktop.Ĭlicking on this icon opens the standard R interface.

#Do loop in r install#

☞ Install R from and choose one of these options:

#Do loop in r software#

R is a free software language and environment for statistical analyses. ☞ Proposed exercises Installation: R and Rstudio The stringsAsFactors and as.is arguments.Adding and removing columns of a data frame.Modifying elements of a factor variable.Modifying the elements of a numeric or character variable.

Kruskal-Wallis test for testing the equality of more than two means.

One-factor ANOVA for testing the equality of more than two means.

Wilcoxon test for the equality of two means from independent samples.

F test for the equality of two variances.

t-test for the equality of two means from independent samples.