Descriptive Statistics in R
Descriptive Statistics in R
How to Use sub() Function in R (With Examples)
The sub() function in R can be used to replace the first occurrence of certain text within a string in R.
This function uses the...
Descriptive Statistics in R
How to Use cor() to Calculate Correlation Coefficients in R
You can use the cor() function in R to calculate correlation coefficients between variables.
Here are the most common ways to use this function:
Method 1:...
Descriptive Statistics in R
How to Use the identical() Function in R (With Examples)
The identical() function in R can be used to test whether or not two objects in R are exactly equal.
This function uses the following...
Descriptive Statistics in R
How to Calculate Cumulative Sum by Group in R
You can use the following methods to calculate a cumulative sum by group in R:
Method 1: Use Base R
df$cum_sum
Method 2: Use dplyr
library(dplyr)
df %>%...
Descriptive Statistics in R
How to Use the melt() Function in R
You can use the melt() function from the reshape2 package in R to convert a data frame from a wide format to a long...
Descriptive Statistics in R
How to Use the linearHypothesis() Function in R
You can use the linearHypothesis() function from the car package in R to test linear hypotheses in a specific regression model.
This function uses the...
Descriptive Statistics in R
How to Use the coeftest() Function in R
You can use the coeftest() function from the lmtest package in R to perform a t-test for each estimated coefficient in a regression model.
This...
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