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Data Import and Export Tutorials

Import an Excel File into R

  • R-PROGRAMMING
To import excel file, you can use read_excel() function from readxl package. The following method shows how you can do it with syntax. Method: Use read.excel() function library("readxl") df = read_excel("file.xlsx") The following example shows how to use read_excel() function in R. Import Excel File Using read_excel() Function Let’s see example how to import excel file in R: # Install package install.packages("readxl") # Import library library("readxl") # Read data from excel df=read_excel("cylinder.
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An Introduction to the c() Function in R

  • R-PROGRAMMING
The c() function in R is used for combining values to vector or list. The c stands for combine or concatenate. The following method shows how you can do it with syntax. Method: Use c() Function c(value1,value2,value3,...) The following example shows how to use c() function in R. Use c() Function Let’s create vector using c() function in R: # Create vector vect <- c(12,23.34,45,56,67,78,89,90) # Show vector print(vect) Output:
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How to Calculate Combinations & Permutations in R

  • R-PROGRAMMING
To calculate combination use choose() function and to calculate permutation use factorial() function in R. Combinations and permutations are used to count the number of ways in which objects can be selected from a set or arranged in a specific order. The following methods show how you can use it with syntax. Method 1: Use choose() Function choose(x,y) x: The total number of items y: The number of items to choose
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