How to create a rank variable using mutate function of dplyr package in R - A rank variable is created to convert a numerical variable into ordinal variable. This is useful for non-parametric analysis because if the distribution of the numerical variable
In this tutorial, you’ll use string methods to determine the length of a string, index and split strings to extract substrings, add and remove whitespace and other characters, change the case of characters in strings, and find and replace text. When you’re done, you’ll be able to inc...
function to iterate over each nested data frame, and use mutate() to add two new columns. The final call to map() is used to convert the data frame to a format that’s suitable for charts, all using the list_parse() function. Here’s how it looks in the code: drill...
Examples of how to use case_when in R Here we’ll take a look at several examples of how to use the R case_when function. For simplicity and clarity, we’re going to start with a simple example of how to use case_when on an R vector. But since we commonly use case_when withdat...
We will use the following code to prepare our data in the desired format. Actually, we’re cleaning up the column names, typecasting the numbers into numeric format and converting the data from Wide Format to Long format using tidyr’sgather()function. The tidy data is saved into a new ...
Use thedplyrPackage Functions to Convert Multiple Columns From Integer to Numeric Type in R We can usedplyr’smutate()andacross()functions to convert integer columns to numeric. The advantage of this is that the entire family oftidyselectfunctions is available to select columns. ...
You can also use other dplyr functions like mutate, filter, select, and more on grouped data. While diving deep into all of these functions could take up a whole article by itself, the dplyr grouped data vignette is a helpful guide to how these functions behave with grouped data....
Analogous set* functions are not provided because, generally, it should not be necessary to retrieve data from scenarios. However, it is possible (but not recommended) to access all scenario settings via objects slots. A slot is the name for an object attribute in R. The slots of an ...
usethis::edit_rstudio_snippets()to open the snippets file in RStudio. Make sure the snippet code quotes are plain quotes and that each line is indented with a tab (not just spaces; a starting tab for each line of code is mandatory)....
So far everything is fine. The company keeps growing and acquires more and more customers. But then searches start to become slower and slower, which tends to irritate their customers and makes it hard to convince new prospects to buy in. ...