Its used for failure analysis and as an early indicator for impending problems,therefore with widespread availability of data in virtually every field and the computers capability to process it makes its use less limitless.its usually more exact and verifiable due to regular checking and updating. Review collected by and hosted on G2.com.

Historical data may not give a true picture of an underlying trend while long term projections need more data to support them. Review collected by and hosted on G2.com.