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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.

Logarithmic price scales are a type of scale used on a chart, plotted such that two equivalent price changes are represented by the same vertical changes on the scale. They are generally used for the long-term perspective analysis of price changes.

A logarithmic price scale, also referred to as a "log scale", is a type of scale used on a chart that is plotted such that two equivalent price changes are represented by the same vertical distance on the scale.

The equation y = log b (x) means that y is the power or exponent that b is raised to in order to get x. The common base for logarithmic scales is the base 10. However, other bases are also useful.

When reading a logarithmic scale, the evenly spaced marks represent the powers of whatever base you are working with. Standard logarithms use base 10, so a logarithm scale counts by powers of 10. Each of the main divisions, noted on log paper with a darker line, is called a cycle or decade.

How to read a logarithmic scale Determine if the graph or chart is a semi-log or log-log graph. Read the scale on the major or main divisions, which is usually a base of 10. Understand the markings on the chart don't have even spaces. Read the minor intervals, which are based on the logarithms for each number.

Log-log plots display data in two dimensions where both axes use logarithmic scales. When one variable changes as a constant power of another, a log-log graph shows the relationship as a straight line.