# for earth
plotmo_fitted(object, trace, nresponse, type, ...)
plotmo_cum(rinfo, info, nfigs=1, add=FALSE,
           cum.col1, grid.col, jitter=0, cum.grid="percentages", ...)
plotmo_nresponse(y, object, nresponse, trace, fname, type="response")
plotmo_rinfo(object, type=NULL, residtype=type, nresponse=1,
    standardize=FALSE, delever=FALSE, trace=0,
    leverage.msg="returned as NA", expected.levs=NULL, labels.id=NULL, ...)
plotmo_predict(object, newdata, nresponse,
    type, expected.levs, trace, inverse.func=NULL, ...)
plotmo_prolog(object, object.name, trace, ...)
plotmo_resplevs(object, plotmo_fitted, yfull, trace)
plotmo_rsq(object, newdata, trace=0, nresponse=NA, type=NULL, ...)
plotmo_standardizescale(object)
plotmo_type(object, trace, fname="plotmo", type, ...)
plotmo_y(object, nresponse=NULL, trace=0, expected.len=NULL,
    resp.levs=NULL, convert.glm.response=!is.null(nresponse))
## Default S3 method:
plotmo.pairs(object, x, nresponse, trace, all2, ...)
## Default S3 method:
plotmo.singles(object, x, nresponse, trace, all1, ...)
## Default S3 method:
plotmo.y(object, trace, naked, expected.len, ...)
# plotmo methods
plotmo.convert.na.nresponse(object, nresponse, yhat, type="response", ...)
plotmo.pairs(object, x, nresponse, trace, all2, ...)
plotmo.pint(object, newdata, type, level, trace, ...)
plotmo.predict(object, newdata, type, ..., TRACE)
plotmo.prolog(object, object.name, trace, ...)
plotmo.residtype(object, ..., TRACE)
plotmo.singles(object, x, nresponse, trace, all1, ...)
plotmo.type(object, ..., TRACE)
plotmo.x(object, trace, ...)
plotmo.y(object, trace, naked, expected.len, nresponse=1, ...)