Calculation STATBEANS®


STATBEAN Name: Periodogram

Purpose: Time series analysis software that performs a periodogram analysis.

DataSource for periodogram analysis: any. 

Time Series Analysis Software Read/Write Properties

Name Type Description Possible Values Default Value
removeMean boolean whether to subtract mean from time series before calculating periodogram. true,false true
seasonalLength int The number of time periods comprising a season. 1+ 1
taper double Amount of tapering to apply at each end of time series (as a percentage). 0.0-50.0 0.0
timeSeriesVariableName String The name of the column with data values to be plotted. Any string. ""

Other Public Methods For Periodogram Analysis
Name Description Arguments Return Value
double getCumulativeSum(int i) Returns the sum of the first i+1 ordinates. Index. Cumulative sum.
double getFrequency(int i) Returns the i-th Fourier frequency. Index. Frequency.
int getNumberOfMissingValuesReplaced() Returns the number of missing values replaced with estimates. None. Number replaced.
int getNumberOfOrdinates() Returns the number of ordinates (or frequencies). None. Number.
double getOrdinate(int i) Returns the periodogram ordinate at the i-th frequency. Index. Ordinate.
double getSum() Returns the sum all the ordinates. None. Sum.
int getSampleSize() Returns the number of data values used to obtain estimates. None. Sample size.

Output Variables
Name Description
Cumulative Sum Cumulative sum of oridinates.
Frequency Fourier frequencies.
Ordinate Periodogram ordiantes.

Time Series Analysis Software Code Sample 
- see PeriodogramPlot.