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What is Apache Pig - ABS()?
- The ABS() function of Pig Latin is used to calculate the absolute value of a given expression.
- In mathematics, the absolute value or modulus. | x. ... of a real number x is the non-negative value of x without regard to its sign.
- Here is the syntax of the ABS() function.
- Assume that there is a file named wikitechy_math.txt in the HDFSdirectory /pig_data/. This file contains integer and floating point values as shown below.
And, we have loaded this file into Pig with a relation named wikitechy_math_data as shown below.
Let us calculate the absolute values of the contents of the math.txt file using ABS() as shown below.
The above statement stores the result in the relation named abs_data. Verify the contents of the relation using the Dump operator as shown below.