Grammarly grammar errors?

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Why does does Grammarly view "I've" as a spelling mistake rather than recognising is as a contraction of I have?

Why does Grammarly suggest that an interrupter like "in fact" should have a comma before it but doesn't need one after it? Am I missing something?

Why is it not possible (I've just discovered) to copy text from this question field?

asked Nov 27 '12 at 22:46 Simon Turner New member

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The first step of Hilbert-Huang transform is the Empirical Mode Decomposition (EMD); it decomposes a complicated multi component signal in to finite and often small number of simple oscillatory single mode components called intrinsic mode functions (IMF) and a residue. This method is efficient, adaptive and operates in the time domain. Since the decomposition is based on the local characteristic time scale of the data, it can be applied to non-linear and non-stationary processes. The IMF has to meet the following criteria 1. The number of extreme and number of zero-crossing must be equal or differ by one in the data set. 2. Local maxima or minima envelope’s mean must be zero.

link comment answered Feb 25 '16 at 17:54 Prashanth New member

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