| <?php | |
| // "unusual for agency/supplier due to previous low number of transactions " | |
| $heuristics["HISTORY_LOW_TRANSACTIONS"] = Array( | |
| "description" => "unusual for agency/supplier due to previous low number of transactions " | |
| ); | |
| function HISTORY_LOW_TRANSACTIONS($cn) | |
| { | |
| $averageContractPeriod = getAverageContractPeriod(); | |
| $diff = strtotime($cn['contractStart']) - strtotime($cn['publishDate']); | |
| $days = intval($diff / 24); | |
| return ($days > 45 ? 1 : 0); | |
| } | |
| /* - unusual value for time of year | |
| - compare to all other records in last 2 weeks | |
| - ie. many large contracts in june so takes more to standout*/ | |
| $heuristics["HISTORY_HIGH_VALUE_FOR_MONTH"] = Array( | |
| "description" => "unusual value for time of year"); | |
| function HISTORY_HIGH_VALUE_FOR_MONTH($cn) | |
| { | |
| $averageContractPeriod = getAverageContractPeriod(); | |
| $diff = strtotime($cn['contractStart']) - strtotime($cn['publishDate']); | |
| $days = intval($diff / 24); | |
| return ($days > 45 ? 1 : 0); | |
| } |