undocumentable

1953, W. Cochran, F. Mosteller, and J. Tukey, "Statistical Problems of the Kinsey Report," Journal of the American Statistical Association, vol 48 no 264 (Dec), p. 674. KPM should have indicated which of their statements where undocumented or undocumentable and should have been more cautious.

. . . that undocumentable life of which, Sonstroem repeatedly acknowledges, he may not himself even have been aware.

1972 Nov, W. E. Fredeman, “Impediments and Motives: Biography as an Unfair Sport”, in Modern Philology, volume 70, number 2, page 151

Real science is so damned exciting, transforming, and provable, why would anyone prefer the undocumentable nonsense of astrology, alien abductions, and so forth?

1997 January 31, Stephen Jay Gould, “Editorial: Bright Star Among Billions”, in Science, volume 275, number 5300, page 599

2002, Scott Moss, "Policy analysis from first principles." Proceedings of the National Academy of Sciences, vol 99, no 10, sup 3 (May), p. 7265. Apart from one undocumentable claim, the strongest responses were that, when applied to past data, some new modeling techniques look better than most previous modeling techniques.