chart like Fig. 174 so that the facts which it is desired to prove may be brought out clearly. Numerous methods are available for presenting such data. There is no general rule for determining which method is the best, and judgment must be used to choose the method which is best fitted to each individual case. Note that in Fig. 174 we have a scale reading to quarters of a mile, and we also have circles prominently drawn on the map at one-mile intervals to give a clear idea of the distances involved.
An image should appear at this position in the text. To use the entire page scan as a placeholder, edit this page and replace "{{missing image}}" with "{{raw image|Graphic methods for presenting facts (1914).djvu/233}}". Otherwise, if you are able to provide the image then please do so. For guidance, see Wikisource:Image guidelines and Help:Adding images. |
Country Gentleman
Fig. 172. Dates for Planting Corn, Showing How the Season Advances in Different Parts of the United States
This illustration is similar to the well-known weather maps on
which lines are drawn through all points where conditions
are the same
Though an illustration in the general method of Fig. 175 is attractive, and will effectively gain the attention of the reader, the method itself has all the inherent weakness of Fig. 36, Fig. 37 and Fig. 38 in Chapter III. If the reader wishes to practice some mental gymnastics, he may try to work out the ratio between the number of cattle in Idaho and the number of cattle in Texas. Though it cannot be made certain, it is probable that the chart was drawn on
An image should appear at this position in the text. To use the entire page scan as a placeholder, edit this page and replace "{{missing image}}" with "{{raw image|Graphic methods for presenting facts (1914).djvu/233}}". Otherwise, if you are able to provide the image then please do so. For guidance, see Wikisource:Image guidelines and Help:Adding images. |
Railroad Operating Costs, Suffern & Son, New York
Fig. 173. Profile of the Pennsylvania Railroad from Jersey City to Chicago. The Tabulated Figures Below the Profile Refer to the Spaces Between the Dotted Lines
This is an example of a valuable method of presentation by which a horizontal scale much smaller than the
vertical scale is used so that great distances may be represented in a small space