d in <a href="https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3363526">Casas, Isabel and Fernandez-Casal, 2019</a>, and in the package vignette <a href="https://icasas.github.io/tvReg/articles/tvReg.html" class="uri">https://icasas.github.io/tvReg/articles/tvReg.html</a>.</p>
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<a href="#references" class="anchor"></a>References</h2>
<p>Casas, Isabel and Fernandez-Casal, Ruben, <em>tvReg: Time-varying Coefficient Linear Regres