Renault Twingo of their existing partnership, announced "Project Edison", a collaboration aimed at conceiving a shared platform for small city cars to be shared by both companies. The first cars using the platform were the third generation Twingo and the second generation Smart Forfour. Renault and Daimler invested equally during the research and development phase, with Renault subsequently specializing in the engines and Daimler in transmissions. Both companies tried to ensure a distinctive design. Renault designers took inspiration from the Renault 5. and the first generation Twingo, The car was originally launched with four colour options, as with the original Twingo. The
All models are wrong a section entitled "All models are wrong but some are useful". The section is copied below. Box repeated the aphorism twice more in his 1987 book, "Empirical Model-Building and Response Surfaces" (which was co-authored with Norman Draper). The first repetition is on p. 74: "Remember that all models are wrong; the practical question is how wrong do they have to be to not be useful." The second repetition is on p. 424: "Essentially, all models are wrong, but some are useful". Box's widely cited book "Statistics for Experimenters" (co-authored with William Hunter) does not include the aphorism in its first