Performance of AICC Statistic as Time Series Modeling and Forecasting of Sunspots

  • Ali Khan
  • Syed Muhammad Murshid
  • Afshan Anwer
  • Amjad Ali
  • Sobia Afrahim
  • Mahreen Zafar
Keywords: Akaike's Information Corrected Criterion (AICC) Statistic; Sunspots datasets

Abstract

Dynamics of the Sun is quite complex. Sunspot number is an important index to understand the solar dynamo mechanism that governs the solar magnetic cycle. This paper is an attempt to forecast Sunspots number by finding an appropriate time series model. For the purpose, Sunspots datasets from 1749 to 2010 were used. Also, 23 minimum to minimum (m-m) and 24 maximum to minimum (M-m) Sunspots cycles were investigated. The results show that Autoregressive Moving average (ARMA) time series models fit the Sunspots number well. They have corrected predictions of the future trend of the Sunspots number within the sample period of study. The results obtained showed that the probability of the AIC corrected model was found better fitted. The problem of over parameterization exited in the model used, but under parameterization was found to minimal.

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Published
2023-01-31
How to Cite
Khan, A., Murshid, S., Anwer, A., Ali, A., Afrahim, S., & Zafar, M. (2023). Performance of AICC Statistic as Time Series Modeling and Forecasting of Sunspots. International Journal of Artificial Intelligence & Mathematical Sciences, 1(2), 16-25. https://doi.org/10.58921/ijaims.v1i2.38