Exploratory graphs

Stats (linear model)

Model selection using dredge (MUMIn package)

Global model:

\(oob.error = repertoire\ size + duration + harmonicity + BGN\)

Best models:

## Global model call: lm(formula = oob.error ~ repertoire + duration + harmonicity + 
##     BGN, data = res)
## ---
## Model selection table 
##    (Intrc) BGN durtn hrmnc rprtr df logLik  AICc delta weight
## 14 0.02075   +           +     +  6 55.309 -93.4  0.00  0.833
## 16 0.01551   +     +     +     +  7 55.807 -90.1  3.22  0.167
## Models ranked by AICc(x)

Regression coefficients +/- 95% confidence intervals:

Variable importance

Cumulative importance for the 4 methods for measuring acoustic structure:

Importance by parameter