Below is some correlation data based on a 5-year and 3-year (more recent) history. The correlation 1D_5D indicates the relationship between 1D post-earnings returns and subsequent 5D returns.

For instance, if the correlation between 1D and 5D is the strongest, a trader could take a "long" position for the following 5 days if the 1D post-earnings return is positive.

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Describe the bug According to the API documentation: • column_or_1d should accept – a 1-D array, or – a 2-D array that has either a single row or a single column.

Here is some correlation data based on 5-year and 3-year (more recent) history. Note that the correlation 1D_5D refers to the correlation between 1D post-earnings returns and subsequent 5D returns.

In this letter, we propose 2×2 array antenna capable of 3D beam steering and operating frequency adjustment. Each element consists of a patch antenna and a narrow-width I-shaped stub, with two ...

This paper introduces a DOA estimation method for sources beyond the aliasing frequency. The method utilizes multiple frequencies of sources to exploit the frequency difference between them, enabling ...