Replace NA Values with Zeros in DataFrame in R

Here are 2 ways to replace NA values with zeros in a DataFrame in R: (1) Replace NA values with zeros across the entire DataFrame: df[is.na(df)] <- 0 Note that if your DataFrame contains factors, you may consider adding “,stringsAsFactors = FALSE” at the end of your DataFrame (later you’ll see an example that tackles … Read more

Categories R

How to to Replace Values in a DataFrame in R

Here is the syntax to replace values in a DataFrame in R: (1) Replace a value across the entire DataFrame: df[df == “Old Value”] <- “New Value” (2) Replace a value under a single DataFrame column: df[“Column Name”][df[“Column Name”] == “Old Value”] <- “New Value” Next, you’ll see 4 scenarios that will describe how to: … Read more

Categories R

How to Download and Install R for Windows

In this short tutorial, you’ll see how to download and install R for Windows. You’ll also see how to run a simple code in R. Steps to Download and Install R for Windows Step 1: Download R To start, go to cran.r-project.org/bin/windows/base, and then click on the link to “Download R for Windows.” In my … Read more

Categories R

Check the Data Type of each DataFrame Column in R

You may use str() in order to check the data type of each DataFrame column in R: str(dataframe_name) Next, you’ll see a simple example with the steps to: Create a DataFrame in R; and Check the data type of each column in the DataFrame Steps to Check the Data Type of each DataFrame Column in … Read more

Categories R

How to Export a DataFrame to Excel File in R

You can use the writexl package in order to export your DataFrame to Excel in R: library(“writexl”) write_xlsx(the dataframe name,”path to store the Excel file\\file name.xlsx”) Steps to Export a DataFrame to Excel in R Step 1: Install the writexl package You may type the following command in the R console in order to install … Read more

Categories R

How to Add R to Jupyter Notebook (full steps)

You can add R to Jupyter Notebook by typing this command in the Anaconda Prompt: conda install -c r r-irkernel But just in case you were wondering, here are the full steps to add R to Jupyter Notebook from scratch. Steps to Add R to Jupyter Notebook Step 1: Open the Anaconda Prompt To start, … Read more

Categories R

How to Import an Excel File into R (example included)

Looking to import an Excel file into R? If so, you’ll see the full steps to import your file using the readxl package. To start, here is a template that you can use to import an Excel file into R: library(“readxl”) read_excel(“Path where your Excel file is stored\\File Name.xlsx”) And if you want to import … Read more

Categories R

How to Install a Package in R (example included)

Often times you may need to install a package in R. In this short guide, I’ll show you how to install a package in R using a simple example. In general, you can use this template to install a package in R: install.packages(“name of the package”) For illustration purposes, I’ll show you how to install … Read more

Categories R

Example of Multiple Linear Regression in R

In this tutorial, I’ll show you an example of multiple linear regression in R. Here are the topics to be reviewed: Collecting the data Capturing the data in R Checking for linearity Applying the multiple linear regression model Making a prediction Steps to apply the multiple linear regression in R Step 1: Collect the data … Read more

Categories R

How to Create DataFrame in R (with Examples)

Looking to create a DataFrame in R? If so, you’ll see the full steps to create a DataFrame in R using a simple example. Generally speaking, you may use the following template in order to create a DataFrame: first_column <- c(“value_1”, “value_2”, …) second_column <- c(“value_1”, “value_2”, …) df <- data.frame(first_column, second_column) Alternatively, you may … Read more

Categories R