Gili To aggregate data in an R dataFrame you can use the code below: Aggregating R data by multiple categorical variables Step 1: Install dplyr package If the dplyr package is not yet installed in your environment make sure to install it using the following command: Alternatively consider installing tidyverse, which is a mega library of … Read more
To merge two or more R DataFrame columns into one, use one of the following options: Sample DataFrame Before getting started, go ahead and import the tidyverse package, which delivers libraries we’ll be using such as tydr and stringr- but also other key libraries such as dplyr and ggplot2. We then create a simple DataFrame … Read more
To group R DataFrame data by month proceed as following: Here’s the R code to use: Grouping R data by month – Practical Example Create DataFrame We’ll start by importing the tidyverse library , or alternatively open lubridate and dplyr. We then define a couple of vectors and then create a simple R DataFrame. Aggregate … Read more
Use the stringr library str_detect function to check if a specific value is included in an R DataFrame column: Note: Make sure to install the stringr library (also included in tidyverse) before utilizing the str_detect function in your RStudio script or Jupyter notebook. Check if column contains value in R – Practical example Create a … Read more
Use the following methods to cast string column values to dates in R: Convert column values to dates in R [Detailed Example] Create DataFrame We will start by initializing a simple DataFrame using the following R code: We can now use the str() function to find the data types of each column in the hr … Read more
To fix the R no package called ggplot2 error in RStudio or Jupyter, proceed as following: Read on for a more detailed explanation on how to reproduce and fix the error. Reproducing the no package ggplot error In order to reproduce the error, proceed as following: Here is a screenshot take from RStudio on Windows … Read more
Fix the nameerror path is not defined Make sure to import the Path library into your Python script before you invoke any of the library methods as shown below: Understanding the name error message Assume that you run the following line of code in your Python environment of choice such as: Jupyter, PyCharm or VsCode. … Read more
Here’s a question from Daniel: I work as an executive assistant in a multinational company. I have noted that lately some of the Teams meeting requests i get are planned to start later (typically 5 minutes into the hour) or end up earlier than the bottom or top of the hour. Any idea on how … Read more
You can delete the first row of a Pandas DataFrame by using the following syntax in your RStudio script or Jupyter Notebook: Read on for some practical examples. Creating a sample R DataFrame We can visualize the DataFrame rows using the print function: This will render the following 6 lines: language office salary 1 Javascript … Read more
To remove the first column in your R DataFrame you can write the following code in your R editor (RStudio, Jupyter etc’): I suggest to go through the following practical examples to learn more about this very fundamental capability in R. Example DataFrame We will start by creating a simple R DataFrame that you can … Read more