Hello gretl users:)<div><br></div><div>I am asking for some help with panel data.</div><div><br></div><div>It&#39;s the first time that I&#39;m working with this type of data.</div><div>So I&#39;m not fully aware of the steps I should make.</div>
<div><br></div><div>I don&#39;t know what should I do before proceeding to the fixed  effects test.</div><div>What tests should I use for Heteroskedasticity, Autocorrelation and serrial correlation for panel data?<br clear="all">
<div>What other test should I make?</div><div><br></div><div>I will be very grateful for any hints:)</div><div><br></div><div><br></div><div>Karolina</div><div><br></div><div><br></div>
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