使用区隔时Google Analytics(分析)资料有差异 [英] Discrepancy in Google Analytics data when using segments

问题描述

我在Google Analytics(分析)上度过了艰难的时光，试图理解为什么应用细分时指标值会发生变化.

I'm having a tough time with Google Analytics, trying to understand why the value of metrics changes when segments are applied.

有一个标准的受众概述报告，该报告基于100％的会话(无抽样)，并且未过滤视图.期限是2017年3月.

There is a standard audience overview report, which is based on 100% of sessions (no sampling) and the view is not filtered. The period is March of 2017.

标准的所有访问者"细分如下:

Standard "All visitors" segment looks like this:

然后，还有另一个内置段称为退回的会话".当我应用此细分时，所有访问者"值都会更改:

Then, there is another built-in segment called "Bounced Sessions". When I apply this segment, the "All visitors" values changes:

用户数量增加，但网页浏览量减少.

Amount of users increases, but the count of pageviews decreases.

有什么想法可以解释吗?..谢谢你！

Any ideas how to explain this?.. Thank you in advance!

推荐答案

好吧，可能有多种原因.首先让我解释一下这些数字是如何计算的，然后我们继续进行您的查询.

Oki, there can be, multiple reasons. Let me explain first how these numbers are calculated, then we move on to your query.

Google提供了两种数据收集和处理方法.

There two types of data gathering and manipulation from google.

预先计算的数据 -预先汇总的表格

这些是Google用于加速UI的预先计算的数据. Google并未指定何时完成，但可以在任何时间指定.这些被称为预汇总表

These are the precalculated data that Google uses to speed up the UI. Google does not specify when this is done but it can be at any point of the time. These are known as pre-aggregated tables

动态计算的数据

Data calculated on the fly

您所做的某些导致计算或操纵的操作都属于此类别.就像使用细分，创建自定义报告等.

Some that you do which result in computation or manipulation falls under this category. Like using segments, creating custom reports etc.

遇到您的问题.应用细分时，将重新计算它影响的每个指标.因此，它可能导致数字大于您在普通视图中看到的数字.

Coming to your problem. When you apply segment, every metric that it effects will be calculated again. Thus it may result in numbers greater than you see in normal view.

标准受众群体概述报告是在一天中的某个时刻预先汇总的.当您应用细分时，结果将与新数据一起计算.由于后者是最新的，它将自动为您提供更多数量的指标.甚至您也可以看到减少的情况，这完全取决于您的数据和用户行为.

Standard audience overview report is pre-aggregated at some point of the day. When you apply segment, the results will be calculated with the fresh data. Since latter is the latest, it will automatically give you increased number of the metrics. Even you can see a decrease as well, all depends on your data and user behavior.

解决方案 :如果您是高级用户，请使用Big Query.您必须依靠大型查询来查询每个指标，因为它们是最新的并且是即时计算的

Resolution: If you are a premium user, use Big Query. You must rely on big query for every metric as they are fresh and calculated on the fly

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