Rounding and formatting numbers
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rounding and formatting numbers is a common task when working with numerical data in programming. rounding refers to reducing the number of digits in a number while formatting involves presenting the number in a specific way, such as adding commas for thousands separators or specifying a fixed number of decimal places.
in r, there are several functions available for rounding and formatting numbers. here are some commonly used functions:
1. `round()`: this function is used to round a number to a specified number of decimal places.
2. `format()`: this function is used to format a number with specified decimal places, thousands separator, and other formatting options.
3. `sprintf()`: this function is used to format a string with placeholders for numbers and other variables.
let's see some examples of how to use these functions:
rounding numbers:
formatting numbers:
using sprintf():
these are just a few examples of how you can round and format numbers in r. experiment with different options and functions to achieve the desired formatting for your numerical data.
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