| 摘要 |
<p>A detection device (500) that: obtains a plurality of pieces of chronological data relating to a detection target, sets a plurality of second time periods that from an inspection range, from a first time period having the obtained plurality of pieces of chronological data present therein; selects a combination of at least two pieces of chronological data from among the plurality of pieces of chronological data; and calculates a correlation coefficient within each time period among the set plurality of second time periods, for the selected combination of at least two pieces of chronological data.</p> |
