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abbrevid
2017 May 28
3
stats::line() does not produce correct Tukey line when n mod 6 is 2 or 3
Bug: stats::line() does not produce correct Tukey line when n mod 6 is 2 or
3
Example: line(1:9,1:9) should have intercept 0 and slope 1 but it gives
intercept -1 and slope 1.2
Trying line(1:i,1:i) across a range of i makes it clear there's a cycle of
length 6, with four of every six correct.
Bug has been present across many versions.
The machine I just tried it on just now has R3.2.3: