ANY educational course in mechanics should undoubtedly be based first of all on experiment. If such is the case, it is practically impossible for any student using “graphical methods” to make the wild ...

THOUGH no one, I venture to think, will gainsay Mr. W. Larden's main contention that “analytical methods give a grasp of the principles of statics, while graphical methods disguise them,” yet it ...

Identification of curvature in regression models is an important aspect of data analysis. Partial residual plots have played a major role. Recently a new class of plots has been developed. They are ...

This paper presents procedures whereby the symbolization of Thornthwaite's climatic classification may be quickly and accurately determined by use of graphs and nomograms. Potential evapotranspiration ...

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