Time Series of Zero-Inflated Counts and their Coherent Forecasting

2015 ◽  
Vol 34 (8) ◽  
pp. 694-707 ◽  
Author(s):  
Raju Maiti ◽  
Atanu Biswas ◽  
Samarjit Das
Keyword(s):  
Time Series ◽  
Coherent Forecasting

Modelling and coherent forecasting of zero-inflated count time series

2014 ◽  
Vol 14 (5) ◽  
pp. 375-398 ◽  
Author(s):  
Raju Maiti ◽  
Atanu Biswas ◽  
Apratim Guha ◽  
Seng Huat Ong
Keyword(s):  
Time Series ◽  
Count Time Series ◽  
Coherent Forecasting

Coherent forecasting for count time series using Box-Jenkins's AR(p) model

2015 ◽  
Vol 70 (2) ◽  
pp. 123-145 ◽  
Author(s):  
Raju Maiti ◽  
Atanu Biswas ◽  
Samarjit Das
Keyword(s):  
Time Series ◽  
Count Time Series ◽  
Coherent Forecasting

scholarly journals Predictive likelihood for coherent forecasting of count time series

2018 ◽  
Vol 38 (3) ◽  
pp. 222-235 ◽  
Author(s):  
Siuli Mukhopadhyay ◽  
Vurukonda Sathish
Keyword(s):  
Time Series ◽  
Count Time Series ◽  
Coherent Forecasting ◽  
Predictive Likelihood

The LDE-Type Flare Occurrence (1969-1993)

1994 ◽  
Vol 144 ◽  
pp. 279-282
Author(s):  
A. Antalová
Keyword(s):  
Time Series ◽  
Fourier Analysis ◽  
Sunspot Cycle ◽  
List Type ◽  
Type Number ◽  
Solar Cycles ◽  
Type Iv ◽  
Long Duration ◽  
Cycle Maximum ◽  
Flare Index

AbstractThe occurrence of LDE-type flares in the last three cycles has been investigated. The Fourier analysis spectrum was calculated for the time series of the LDE-type flare occurrence during the 20-th, the 21-st and the rising part of the 22-nd cycle. LDE-type flares (Long Duration Events in SXR) are associated with the interplanetary protons (SEP and STIP as well), energized coronal archs and radio type IV emission. Generally, in all the cycles considered, LDE-type flares mainly originated during a 6-year interval of the respective cycle (2 years before and 4 years after the sunspot cycle maximum). The following significant periodicities were found:• in the 20-th cycle: 1.4, 2.1, 2.9, 4.0, 10.7 and 54.2 of month,• in the 21-st cycle: 1.2, 1.6, 2.8, 4.9, 7.8 and 44.5 of month,• in the 22-nd cycle, till March 1992: 1.4, 1.8, 2.4, 7.2, 8.7, 11.8 and 29.1 of month,• in all interval (1969-1992):a)the longer periodicities: 232.1, 121.1 (the dominant at 10.1 of year), 80.7, 61.9 and 25.6 of month,b)the shorter periodicities: 4.7, 5.0, 6.8, 7.9, 9.1, 15.8 and 20.4 of month.Fourier analysis of the LDE-type flare index (FI) yields significant peaks at 2.3 - 2.9 months and 4.2 - 4.9 months. These short periodicities correspond remarkably in the all three last solar cycles. The larger periodicities are different in respective cycles.

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