For Data Science Learners
How to convert characters from upper to lower case in R?. This article discusses how to change a character’s case in R from upper to lower and vice versa. Will include examples for the R methods tolower(), toupper(), casefold(), and chartr() throughout the lesson. How to convert characters from upper to lower case or vice…
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How to Standardize Data in R?, A dataset must be scaled so that the mean value is 0 and the standard deviation is 1, which is known as standardization. The z-score standardization, which scales numbers using the following formula, is the most used method for doing this. Two-Way ANOVA Example in R-Quick Guide – Data…
How to Create an Interaction Plot in R?, To find out if the means of three or more independent groups that have been divided based on two factors differ, a two-way ANOVA is performed. When we want to determine whether two distinct factors have an impact on a certain response variable, we employ a two-way…
How to Create Summary Tables in R?, The describe() and describeBy() methods from the psych package is the simplest to use for creating summary tables in R. How to apply a transformation to multiple columns in R? library(psych) Let’s create a summary table describe(df) We can now create a summary table that is organized by…
Convert multiple columns into a single column, To combine numerous data frame columns into one column, use the union() function from the tidyr package. Convert multiple columns into a single column The basic syntax used by this function is as follows. unite(data, col, into, sep) where: data: Name of the data frame col: Name of…
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Separate a data frame column into multiple columns, To divide a data frame column into numerous columns, use the separate() function from the tidyr package. How to Use Gather Function in R?-tidyr Part2 The basic syntax used by this function is as follows. separate(data, col, into, sep) where: data: Name of the data frame col:…
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How to Use Gather Function in R?, To “collect” a key-value pair across many columns, use the gather() function from the tidyr package. How to Use Spread Function in R?-tidyr Part1 The basic syntax used by this function is as follows. gather(data, key value, …) where: data: Name of the data frame key: Name of…
How to Use Spread Function in R, To “spread” a key-value pair across multiple columns, use the spread() method from the tidyr package. The basic syntax used by this function is as follows. spread(data, key value) where: data: Name of the data frame key: column whose values will serve as the names of variables value:…
Add new calculated variables to a data frame and drop all existing variables, I hope you enjoyed reading about the dplyr package magics in earlier posts, here is the last update while using dplyr package. With R’s transmute() function, you can drop all of the existing variables and add new calculated variables to a data…
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How to apply a transformation to multiple columns in R?, To apply a transformation to many columns, use R’s across() function from the dplyr package. How to apply a transformation to multiple columns in R? There are innumerable applications for this function, however, the following examples highlight some typical ones: First Approach: Apply Function to…
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