WebThe below example updates all column values in a DataFrame to 95 when the existing value is 99.Here, marks1 and marks2 have 99 value hence, these two values are updated with 95. # Replace all columns by condition df[df==99] <- 95 df Yields below output. WebJan 25, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.
Filter data by multiple conditions in R using Dplyr
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r - Conditional replacement of values in a data.frame - Stack Overflow
WebMar 11, 2024 · You can use the following methods to create a new column in R using an IF statement with multiple conditions: Method 1: If Statement with Multiple Conditions Using OR WebAug 21, 2024 · Often you may want to create a new variable in a data frame in R based on some condition. Fortunately this is easy to do using the mutate() and case_when() functions from the dplyr package. This tutorial shows several examples of how to use these functions with the following data frame: thin book cartoon