I'm working on polling data from fivethirtyeight. What is the meaning of the pct_trend_adjusted column here? I understand that pct stands for percentage, but I don't get what the trend is that they are adjusting for, and how these figures are obtained.

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    $\begingroup$ This link is broken. $\endgroup$ – Ethan Dec 24 '20 at 18:28
  • $\begingroup$ Please fix the hyperlink. $\endgroup$ – Shayan Shafiq Dec 25 '20 at 0:25

Looking at the methodology provided by FiveThirtyEight, it seems as though this figure (i.e. polling figures on state level) is adjusted for trends in national polls. See differentiator 1 on the linked page for more info:

Basically, in states that haven’t been polled recently, we make inferences about what’s going on there using national polls or polls from other states that have been surveyed recently


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