Type of Transformation

Select the type of transformation to perform on the specified variables.

The types of transformation are summarized in the following table:

Transformation

Description

(blank)

No transformation

exp2

Exponential (base 2)

exp

Exponential (base e)

exp10

Exponential (base 10)

log2

Logarithm (base 2)

log

Logarithm (base e)

log10

Logarithm (base 10)

logistic

exp(x)/[1=exp(x)]

logit

Natural logarithm (base e)

neglog2

Negative logarithm (base 2)

neglog

Negative logarithm (base e)

neglog10

Negative logarithm (base 10)

probit

Returns the corresponding quantile from the standard normal distribution.

Note: The value submitted into probit() shall between 0 and 1.

probnorm

Returns the probability that an observation from the standard normal distribution is less than or equal to the submitted value.

recipexp2

Reciprocal exponential (base 2)

recipexp

Reciprocal exponential (base e)

recipexp10

Reciprocal exponential (base 10)

sqrt

Square root

To Specify a Transformation Type:

8 Left-click one of the choices in the Type of Transformation drop-down menu.