https://iserredex.essex.ac.uk/support/https://iserredex.essex.ac.uk/support/support/favicon.ico?15995719382018-06-22T16:10:21ZUnderstanding Society User SupportUnderstanding Society User Support - Support #985: Weights for pooled cross-section over all waveshttps://iserredex.essex.ac.uk/support/issues/985?journal_id=35892018-06-22T16:10:21ZStephanie Autys.auty@essex.ac.uk
<ul><li><strong>Category</strong> set to <i>Weights</i></li><li><strong>Assignee</strong> set to <i>Olena Kaminska</i></li><li><strong>Target version</strong> set to <i>X M</i></li><li><strong>Private</strong> changed from <i>Yes</i> to <i>No</i></li></ul><p>Many thanks for your enquiry. The Understanding Society team is looking into it and we will get back to you as soon as we can.</p>
<p>Best wishes,<br />Stephanie Auty - Understanding Society User Support Officer</p> Understanding Society User Support - Support #985: Weights for pooled cross-section over all waveshttps://iserredex.essex.ac.uk/support/issues/985?journal_id=35952018-06-25T10:49:43ZOlena Kaminskaolena@essex.ac.uk
<ul></ul><p>Dear Nhat An,</p>
<p>Thank you for your question. You suggest that it is a pooled cross-sectional analysis, yet you mention that you are studying intergenerational social mobility. Could you clarify whether you take information for each person only from one wave or from a few waves? If you take information from a few waves you will need longitudinal weights.<br />Also, can you clarify what you mean by deleting duplicates? Do you mean each person has only one entry in your analysis? This will not influence weights but may influence PSU.</p>
<p>Thanks,<br />Olena</p> Understanding Society User Support - Support #985: Weights for pooled cross-section over all waveshttps://iserredex.essex.ac.uk/support/issues/985?journal_id=35962018-06-25T11:10:14ZNhat An Trinh
<ul></ul><p>Dear Olena,</p>
<p>Yes, you are right: for each individual information is only taken from one wave and each individual only figures once in my analysis. I study intergenerational social mobility by using the information of the individuals' first occupation and the occupation of their parents. I hope this makes everything clear know.</p>
<p>Many thanks for your kind help!</p>
<p>Nhat An</p> Understanding Society User Support - Support #985: Weights for pooled cross-section over all waveshttps://iserredex.essex.ac.uk/support/issues/985?journal_id=35972018-06-25T11:30:52ZOlena Kaminskaolena@essex.ac.uk
<ul></ul><p>Nhat An,</p>
<p>Thanks. Yes, your selection of weights looks fine. Ideally you would want to scale your weights such that sample sizes per year don't vary. For this find the average of total sample size for waves 1-7. Calculate the scaling factor for each wave sc=(average sample size for waves 1-7) / (sample size in wave X). For wave X calculate new weight=xweight*sc .</p>
<p>The sample size may relate to the overall total of all people in that wave or to the subgroup that you are interested in. In any case it should have the same definition for the denominator and the numerator.</p>
<p>I hope this helps,<br />Olena</p> Understanding Society User Support - Support #985: Weights for pooled cross-section over all waveshttps://iserredex.essex.ac.uk/support/issues/985?journal_id=35982018-06-25T13:26:14ZNhat An Trinh
<ul></ul><p>Great, thank you very much, Olena! This is indeed very helpful.</p>
<p>Nhat An</p> Understanding Society User Support - Support #985: Weights for pooled cross-section over all waveshttps://iserredex.essex.ac.uk/support/issues/985?journal_id=35992018-06-25T13:39:48ZStephanie Autys.auty@essex.ac.uk
<ul><li><strong>Status</strong> changed from <i>New</i> to <i>Resolved</i></li><li><strong>% Done</strong> changed from <i>0</i> to <i>100</i></li></ul>