测试以检查我的时间序列是否在很长一段时间内保持不变
[英]Test to check if my time series is constant for a long period of time
问题描述
How can I measure, if my time series is not changing with time, that is the value is constant for a very long period of time(not looking for stationarity test)
如果我的时间序列不随时间变化，我该如何衡量，即该值在很长一段时间内保持不变（不寻找平稳性测试）
1 个解决方案
解决方案1
1 2022-02-21 07:55:24
I don't know what exactly would fit your needs but here are some things I can think of are -我不知道什么能满足您的需求，但我能想到的是 -
- Just Plot it if it's small enough to identify regions of constant value只要 Plot 它足够小以识别恒定值区域
- Write a small piece of code which finds subarrays with same value being repeated for a certain number of times if you want the value to be absolutely constant, alternatively you can add a tolerance so that values within a +- range are accepted编写一小段代码，如果您希望该值绝对恒定，则发现具有相同值的子数组被重复一定次数，或者您可以添加一个公差，以便接受 +- 范围内的值
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