diefk2: Compute dief@k at a portion of the answer
In dief: Metrics for Continuous Efficiency

Description Usage Arguments Author(s) See Also Examples

This function computes the dief@k metric at a given kp (portion of answers).

1	diefk2(inputtrace, inputtest, kp = -1)

`inputtrace`	dataframe with the answer trace. Attributes of the dataframe: test, approach, answer, time.
`inputtest`	string that specifies the specific test to analyze from the answer trace.
`kp`	portion of answers to compute diefk (between 0.0 and 1.0). By default and when kp=1.0, this function behaves the same as diefk. It computes the kp portion of of minimum of of number of answers produced by the approaches.

Maribel Acosta

dieft, diefk, plotAnswerTrace

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# Compute dief@k when the approaches produced 25% of the answers w.r.t. 
# the approach that produced the least answers.
diefk2(traces, "Q9.sparql", 0.25)