(trak' ba^l') *n.*

a pointing device that is operated by rotating a ball.

(trak' pad') *n.*

a pointing device that is operated by moving a fingertip across a flat surface.

(trAl' ing) *adj.*

at the end of a text value.

*n.*

a space or one of several spaces at the end of a text value. SAS disregards trailing spaces when it makes character comparisons.

*System option.*
Ref:
**PSPPR**:System Options.
**SLRD**:SAS System Options.

*SAS/OR. Procedure.* Transportation model.

*Function.*
Ref:
**PSPPR**:Functions.
**PSPL**:Functions and CALL Routines:Character Functions.
**SLRD**:Functions and CALL Routines.

*Procedure.*
Ref:
**PSPPR**:Procedures.
**PSPL**:Managing Data:TRANSPOSE.
**SPG**.

*SAS/STAT. Procedure.* Transformation regression.

*Procedure.*
Ref:
**PSPPR**:Procedures.
**SPG**.

*Entry type.* Translation table.

*Dataset option.*
Ref:
**PSPPR**:Files:Dataset Options.
**SLRD**:Data Set Options.

*System option.* Translation tables.
Ref:
**PSPPR**:System Options.
**PSPL**:Macro Language:System Options for Macro Language.
**SLRD**:SAS System Options.

*Function.*
Ref:
**PSPPR**:Functions.
**PSPL**:Functions and CALL Routines:Character Functions.
**SLRD**:Functions and CALL Routines.

*Function.* The second
derivative of the gamma function.
Ref:
**PSPPR**:Functions.
**PSPL**:Functions and CALL Routines:Mathematical Functions.
**SLRD**:Functions and CALL Routines.

(trE') *n.*

a network shape that has a single source or origin and provides for each node a single path from the source to the node by branching at other intermediate nodes.

*SAS/STAT. Procedure.* Clustering, tree diagram.

(trI' *u*l) *n.*

one of a sequence of repeated actions for which the results are recorded for statistical analysis.

*Function.* Removes trailing spaces.
Ref:
**PSPPR**:Functions.
**PSPL**:Functions and CALL Routines:Character Functions.
**SLRD**:Functions and CALL Routines.

*Function.* Removes trailing spaces.
Ref:
**PSPPR**:Functions.
**PSPL**:Functions and CALL Routines:Character Functions.
**SLRD**:Functions and CALL Routines.

(trOO' tIp') *n.*

an outline font format developed by Apple in 1990, designed to efficiently generate bitmap fonts in any required size.

*Function.*
Floating point truncation.
Ref:
**PSPPR**:Functions.
**PSPL**:Functions and CALL Routines:Mathematical Functions.
**SLRD**:Functions and CALL Routines.

(trung kAt') *n.*

1. to shorten an object by removing part of it.

2. to remove characters from the end of a character string. The SAS supervisor does this automatically when it assigns a character expression to a shorter character variable.

3. to convert a real number to an integer by rounding toward 0, removing the fractional part of the number.

4. to reduce the precision of a floating-point number by removing its least significant bytes or changing them to zero.

*n.*

a diagram that shows the results of a logical expression for each combination of logical values in the expression.

(trI') *v.t.&i.*

1. to take an action for the purpose of determining its results.

*n.*

2. an action for which the results are unknown or for which success is uncertain.

3. an action taken for the purpose of observing or measuring its results.