+𝜎(𝑥)
Not correct. I think adding \(\sigma(x)\) shifts the mean. Instead it should be:
$$y_n(x) = 5x + \sigma(x) \epsilon_n$$
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+𝜎(𝑥)
Not correct. I think adding \(\sigma(x)\) shifts the mean. Instead it should be:
$$y_n(x) = 5x + \sigma(x) \epsilon_n$$