| - large contract value | |
| - chi-square test for outliers / standard dev from mean/median | |
| - percent of total contracts for supplier/agency | |
| $heuristics["METADATA_DUPLICATED_DESCRIPTION"] = Array( | |
| "description" => "unusual value for time of year"); | |
| function METADATA_DUPLICATED_DESCRIPTION($cn) | |
| { | |
| $averageContractPeriod = getAverageContractPeriod(); | |
| $diff = strtotime($cn['contractStart']) - strtotime($cn['publishDate']); | |
| $days = intval($diff / 24); | |
| return ($days > 45 ? 1 : 0); | |
| } | |
| - peculiar value | |
| - Just under 80k, amplified if other contracts with same supplier are just under | |
| - unusual variation amount | |
| - absolute value; large reductions as well as large increases | |
| $heuristics["METADATA_DUPLICATED_DESCRIPTION"] = Array( | |
| "description" => "unusual value for time of year"); | |
| function METADATA_DUPLICATED_DESCRIPTION($cn) | |
| { | |
| $averageContractPeriod = getAverageContractPeriod(); | |
| $diff = strtotime($cn['contractStart']) - strtotime($cn['publishDate']); | |
| $days = intval($diff / 24); | |
| return ($days > 45 ? 1 : 0); | |
| } |