# guide-data-trans, Qguide-data-trans

Lets you set a level of guidance for data transformation. This feature is only available for ifort.

## Syntax

Linux: | -guide-data-trans[=n]

macOS: | -guide-data-trans[=n]

Windows: | /Qguide-data-trans[:n]

## Arguments

n | Is an optional value specifying the level of guidance to be provided. The values available are 1 through 4. Value 1 indicates a standard level of guidance. Value 4 indicates the most advanced level of guidance. If n is omitted, the default is 4.

## Default

OFF | You do not receive guidance about how to improve optimizations for data transformation.

## Description

This option lets you set a level of guidance for data transformation. It causes the compiler to generate messages suggesting ways to improve that optimization.

## IDE Equivalent

None

## Alternate Options

None

Parent topic: Advanced Optimization Options

## See Also

guide, Qguide compiler option
guide-par, Qguide-par compiler option
guide-vec, Qguide-vec compiler option
guide-file, Qguide-file compiler option