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Timeline for confusion about individual notation

Current License: CC BY-SA 4.0

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Nov 18, 2020 at 22:00 comment added Steve usually I see i referring to the individual in the sample, but does this mean then that i's actual y is determined by the 'structural' effect of x and also i's error, and hence the indexing with i? so basically, does $E[y_i|x_i]$ refer to the expectation of all possible realizations of i's particular y, or is it still the expectation of y across all i's?
Nov 17, 2020 at 9:00 history answered gunes CC BY-SA 4.0