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get_transformation Ignores Logarithmic Base #991

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matschmitz opened this issue Jan 10, 2025 · 0 comments

matschmitz commented Jan 10, 2025

get_transformation ignores the logarithmic base, treating all logs as natural logarithms.

mdl <- lm(log(dist, base = 10) ~ speed, data = cars)
f <- insight::get_transformation(mdl)
print(f$transformation(10))  # Expected: 1, Observed: 2.302585
print(f$inverse(1))          # Expected: 10, Observed: 2.718282

R: 4.4.1
insight: 1.0.1 (dev)

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