isHigherOrderEpistasisString: Checks if substring is part of higherOrderEpistasis
Description
Using grep to search through vector of strings
Usage
isHigherOrderEpistasisString(x)
Arguments
x
The string which will be compared to 'higherOrderEpistasis'
Value
TRUE if the string is a substring of 'higherOrderEpistasis',
otherwise returns FALSE.
Details
Uses grep to search for exact match.