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Cleveland says When logarithms of a variable are graphed, the scale label should correspond to the tick mark labels. Since the top scale label says log and logs are exponents, the exponents are plotted. Cleveland also recommends showing the values of the original scale on the opposite scale.

Axis labels are text that mark major divisions on a chart. Category axis labels show category names; value axis labels show values.

There are two main reasons to use logarithmic scales in charts and graphs. The first is to respond to skewness towards large values; i.e., cases in which one or a few points are much larger than the bulk of the data. The second is to show percent change or multiplicative factors.

1 AnswerAdd a data series to your worksheet for your data labels.Add a data series to your chart, then change the series chart type to XY/Scatter.Modify your new series from step 2 using the data columns from step 1.Format your new series to taste.Add labels to your new data series, and format to taste.More items...?

Presentation of data on a logarithmic scale can be helpful when the data: covers a large range of values, since the use of the logarithms of the values rather than the actual values reduces a wide range to a more manageable size; may contain exponential laws or power laws, since these will show up as straight lines.

In the mathematical discipline of graph theory, a graph labelling is the assignment of labels, traditionally represented by integers, to edges and/or vertices of a graph.For many applications, the edges or vertices are given labels that are meaningful in the associated domain.

You typically use a logarithmic scale for two reasons. The first reason is when large values skew the graph of the data, and the second is to show multiplicative factors or percent changes. Many careers use logarithmic scales, from farmers to researchers.