facebook - 为什么 FB Insights API 按 days_28/week/day/lifetime 分段时返回不同的值但返回相同的日期？

Question

这 3 个 API 调用基本相同日期(1 月 1 日 - 1 月 30 日)的所有返回值。

/50813163906/insights/page_impressions_paid_unique/week?since=1388552400&until=1391144400

/50813163906/insights/page_impressions_paid_unique/day?since=1388552400&until=1391144400

/50813163906/insights/page_impressions_paid_unique/days_28?since=1388552400&until=1391144400

但是每个日期的值却有很大不同。

• /周给予

  {value: 635756,end_time:"2014-01-01"},,{value: 479251,end_time:"2014-01-02"},{value: 396633,end_time:"2014-01-03"}...

• /天给予

  {值:110598，结束时间:“2014-01-01”}，{值:458，结束时间:“2014-01-02”}，{值:4，结束时间:“2014-01-03”} ...

• /days_28 给出

  {值:411634，结束时间:“2014-01-01”}，{值:407725，结束时间:“2014-01-02”}，{值:403430，结束时间:“2014-01-03”} ...

这些日期段的总计应该是多少以及从何时到何时？

Answer 1

我非常确定给出的值是结束日期的总计，具体取决于您的分割。​​

例如，分段/week 返回:

{value: 635756,end_time: "2014-01-01"}
{value: 479251,end_time: "2014-01-02"}
{value: 396633,end_time: "2014-01-03"}

这意味着:

For the 7 days prior to & ending on *2014-01-01* there were 635756 impressions
For the 7 days prior to & ending on *2014-01-02* there were 479251 impressions
For the 7 days prior to & ending on *2014-01-03* there were 396633 impressions

---

分段/天返回:

{value: 110598, end_time: "2014-01-01"}
{value: 458,    end_time: "2014-01-02"}
{value: 4,      end_time: "2014-01-03"}

这意味着:

For the day *2014-01-01* there were 110598 impressions
For the day *2014-01-02* there were 458    impressions
For the day *2014-01-03* there were 4      impressions

---

分段/days_28返回:

{value: 411634, end_time: "2014-01-01"}
{value: 407725, end_time: "2014-01-02"}
{value: 403430, end_time: "2014-01-03"}

这意味着:

For the 28 days prior to & ending on *2014-01-01* there were 411634 impressions
For the 28 days prior to & ending on *2014-01-02* there were 407725 impressions
For the 28 days prior to & ending on *2014-01-03* there were 403430 impressions

---

这些数字看起来差不多，但您的 28 天数字似乎小于您的周数字，这很奇怪。也许这与您对 GET 请求设置的 since 和 until 限制有关。

如果您想要一个月的真实数字，最好按天进行，获取各个值并使用作为结果的一部分返回的分页下一个/上一个值来帮助您向后导航直到到达该月的第一天。