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Size: a a a
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macro extract(expr)потом его использовать:
deps = .....
expr = replace(expr, :_ => :m)
return :($deps, m -> $expr)
end
deps, func = @extract _.a[-1] + 1```
...
func(model1)
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summarize (group_by(dataframe, by = id, how = sum))dataframe[, sumRub = sum(Rub), by = id]AP
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