by Suf | May 8, 2022 | Programming, R, Tips
This error occurs if you try to use an if statement to evaluate a condition in an object with multiple elements, like a vector. The if() function can only check one element to evaluate a condition. You can solve this error by using the ifelse() function, which...
by Suf | May 8, 2022 | Programming, R, Tips
This error occurs when you try to run chunks of code in an Rmd file like a normal R script. RStudio tries to run the highlighted code as R code, including the markdown parts. You can solve this error by clicking the green play button next to an individual code chunk...
by Suf | May 8, 2022 | Programming, R, Tips
This warning occurs when you try to convert a vector containing non-numeric values to a numeric vector. As this is a warning, you do not need to solve anything. However, you can replace non-numeric values or suppress the warning using suppressWarnings(). This tutorial...
by Suf | May 8, 2022 | Programming, R, Tips
This error occurs when you try to replace a value in a vector with a value of length zero. A value of length zero does not exist is the same as saying the value does not exist. This error typically happens when trying to use the zeroth index of a vector. In R, indexes...
by Suf | May 8, 2022 | Programming, R, Tips
If you try to perform k-means clustering with data containing missing values, NaN or Inf, you will raise the error: in do_one(nmeth) : NA/NaN/Inf in foreign function call (arg1). In R, The K-means algorithm cannot handle data with NA, NaN, or Inf values. By...
by Suf | May 8, 2022 | Programming, R, Tips
This error occurs when you try to sort a list without first using the unlist() function. To solve this error, you must use the unlist() function before calling sort(), for example: sort(unlist(a_list)) This tutorial will go through the error and how to solve it with...
