÷òî ëþáîé åå òåðìèí  ïðèíàäëåæèò

Îðòîãîíàëüíîñòü ñõåìû êëàññèôèêàöèè çàêëþ÷àåòñÿ â òîì,  ÷òî ëþáîé åå òåðìèí  ïðèíàäëåæèò òî÷íî îäíîé  êàòåãîðèè. Äðóãèìè  ñëîâàìè,  ïðîñëåæèâàåìàÿ îøèáêà â ñèñòåìå äîëæíà íàõîäèòüñÿ â îäíîì èç  êëàññîâ, ýòî äàåò âîçìîæíîñòü  äâóì ðàçðàáîò÷èêàì   êëàññèôèöèðîâàòü   îøèáêè   îäèíàêîâûì ñïîñîáîì.

 

Ôèðìà Hewlett–Packard èñïîëüçîâàëà êëàññèôèêàöèþ Áó÷à, óñòàíîâèâ ïðîöåíòíîå ñîîòíîøåíèå îøèáîê, îáíàðóæèâàåìûõ  â ÏÎ íà ðàçíûõ ñòàäèÿõ ðàçðàáîòêè  (ðèñ. 7.3) [14].                                                                        â  óïðàâëåíèè äàííûìè

                                       â êîäå

                                                        11%    6%   

                                                                                          â äîêóìåíòàöèè   

            â âû÷èñëåíèÿõ                                        19%

                                              18%

                                                                                               

                                                                                    5%       â òðåáîâàíèÿõ

                                                                                   4%       

                     â ëîãèêå                   32 %              5%         â  àïïàðàòóðå

                                                                                      â èíòåãðàöèè

                                                                                       

                 Ðèñ.7.3  Ïðîöåíòíîå ñîîòíîøåíèå îøèáîê ïðè ðàçðàáîòêå ÏÎ


Ñîäåðæàíèå  Íàçàä  Âïåðåä

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