# Calculate Cumulative Sum of a Numeric Object in R Programming – cumsum() Function

The cumulative sum can be defined as the sum of a set of numbers as the sum value grows with the sequence of numbers.

cumsum() function in R Language is used to calculate the cumulative sum of the vector passed as argument.

Syntax: cumsum(x)

Parameters:

x: Numeric Object

Example 1:

## Python3

 `# R program to illustrate ` `# the use of cumsum() Function`   `# Calling cumsum() Function` `cumsum(``1``:``4``)` `cumsum(``-``1``:``-``6``)`

Output:

```  1  3  6 10
  -1  -3  -6 -10 -15 -21```

Example 2:

## Python3

 `# R program to illustrate` `# the use of cumsum() Function`   `# Creating Vectors` `x1 <``-` `c(``2``, ``4``, ``5``, ``7``)` `x2 <``-` `c(``2.4``, ``5.6``, ``3.4``)`   `# Calling cumsum() Function` `cumsum(x1)` `cumsum(x2)`

Output:

```  2  6 11 18
  2.4  8.0 11.4```
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