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Raw-score -> Rasch-measure conversion table for a calibrated item set

Source: R/rasch.R
raw_score_measure.Rd

Shows the non-linear ogive: equal raw-score steps are unequal logit steps.

Usage

raw_score_measure(delta)

Arguments

delta

calibrated item difficulties (centred logits).

Value

data.frame(raw, measure) for raw = 1 .. (n_items - 1).