Module PFFT in IMSLS

General Information

Compute the periodogram of a stationary time series using a fast Fourier transform.

Usage

CALL PFFT (NOBS, X, IPRINT, XCNTR, NPAD, IFSCAL, IPVER, PM, LDPM)

Classification

L10a3a2

Periodogram analysis

Type

subroutine in IMSLS package

Language

Fortran

Availability

Proprietary, Portable

Precision

Single Precision

Installation on ITL; Unix Workstation Network

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968 (FTS 879-2968)

Usage

Access available only to NIST staff on internal Unix systems. They may access this package provided the /itl tree is cross-mounted.

Documentation

cat /home/fetch/Subjects/Math-Stat-Software/imsl/Documentation/pfft

Example

cat /home/fetch/Subjects/Math-Stat-Software/imsl/Examples/pfft

To Link

Login to spruce.nist.gov and see ITL How-To for information on how to setup your environment and link.