R statistical programming related stuff
In this tutorial, we will learn how to create dummy variables in R. Now, creating dummy/indicator variables can be carried out in many ways. For example, we can write code using the ifelse() function, we can install the R-package fastDummies, and we can work with other packages and functions (e.g. model.matrix). In this post, however, […]
How to Create Dummy Variables in R (with Examples) Read More »
In this short tutorial, we will learn how to use the repeat and replicate functions in R. These two functions, repeat and replicate, are two very useful functions.
How to use the Repeat and Replicate functions in R Read More »
Here you will learn how to load .dta files in R. That is, you will learn how to read Stata files in R. After this, you will learn how to save dataframes (and .csv and xlsx files) as .dta files.,
How to Read and Write Stata (.dta) Files in R with Haven Read More »
Here you will learn how to remove a column in R. More specifically, we will learn how to remove many columns, also (as well as one column). First, we learn how to remove columns by names and indexes. Then we learn how to remove columns that contains certain letters (either start with, end with, or just contain them).
How to Remove a Column in R using dplyr (by name and index) Read More »
In this post, we will learn how to calculate summary statistics in R. Specifically, we will learn how to calculate the standard deviation, mean (trimmed, harmonic, geometric), variance, IQR, quantiles. etc. We will learn how to save the summary statistics as latex (so we can output it to a nice table in a PDF, for instance), and how to save it as a csv file.
How to Calculate Descriptive Statistics in R the Easy Way with dplyr Read More »
In this post, you will learn how to read and write SPSS files. More specifically, you will learn how to use Haven and Foreign to read SPSS files. Finally, you will also learn how to load CSV & Excel files and save them as SPSS files.
How to Read & Write SPSS Files (.sav) in R Statistical Environment Read More »
In this post we are going to learn two very easy ways to load SASdata files (.sav7bdat) in R.
How to Import Data: Reading SAS Files in R with Haven & sas7dbat Read More »
Here you will learn how to create scatter plots in R. In this post we will, focus on ggplot2, from the tidyverse, among other packages to learn how to create the plots, add text, change color, group, and a regression line.
How to Make a Scatter Plot in R with Ggplot2 Read More »
In this tutorial, we will learn how to work with Excel files in R statistical programming environment. It will provide an overview of how to use R to load xlsx files and write spreadsheets to Excel.
R Excel Tutorial: How to Read and Write xlsx files in R Read More »
Learn how to use Binder, mybinder, git, and GitHub to make your R statistical analysis and visualization reproducible for other researchers.
How to Use Binder and R for Reproducible Research Read More »
