We consider a purely fractionally deferenced process driven by a periodically time-varying long memory parameter. We will build an estimate for the vector parameters using the minimum Hellinger distance estimation. The results are investigated through simulation studies.
Teaching mathematics using programming has cognitive benefits, improves practical skills, and provides powerful independent thinking and problem-solving strategies. R is a free software environment and one of the most popular programming tools, which allows for solving various mathematical problems through coding. In this work, we will use the R language to solve some problems posed in complex numbers and cover some exercises from the third-grade mathematics textbook in Algeria.
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