<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">Hi,</div><div dir="ltr">The general idea is probably to convert all the point for each day into line. Then, you can use the vector field calculator to measure the distance.</div><div dir="ltr"><br></div><div dir="ltr">Something like this would help. <a href="https://gis.stackexchange.com/questions/92751/draw-lines-from-points-in-qgis">https://gis.stackexchange.com/questions/92751/draw-lines-from-points-in-qgis</a></div><div dir="ltr">Nicolas</div><div dir="ltr"><br>Le 26 janv. 2019 à 21:16, Mike Flannigan <<a href="mailto:mikeflan@att.net">mikeflan@att.net</a>> a écrit :<br><br></div><blockquote type="cite"><div dir="ltr"><span></span><br><span>I too am interested in how best to do this in</span><br><span>QGIS, but if you want to do it outside of QGIS,</span><br><span>this may help:</span><br><span><a href="http://bluemm.blogspot.com/2007/01/excel-formula-to-calculate-distance.html">http://bluemm.blogspot.com/2007/01/excel-formula-to-calculate-distance.html</a></span><br><span></span><br><span></span><br><span>Mike</span><br><span></span><br><span></span><br><span>On 1/25/2019 4:49 AM, <a href="mailto:qgis-user-request@lists.osgeo.org">qgis-user-request@lists.osgeo.org</a> wrote:</span><br><blockquote type="cite"><span>Dear colleagues,</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>I ask for help: I have a layer of points with positions of birds marked</span><br></blockquote><blockquote type="cite"><span>with GPS. One of the columns is the value of the date. The analysis I would</span><br></blockquote><blockquote type="cite"><span>like to make is to empirically verify that individuals move from the area</span><br></blockquote><blockquote type="cite"><span>where they usually live on newspaper days, during weekends, due to hunting</span><br></blockquote><blockquote type="cite"><span>in the area.</span><br></blockquote><blockquote type="cite"><span>My idea is to calculate distance to points, for example, distance of all</span><br></blockquote><blockquote type="cite"><span>points of the week to the average GPS value of the diary days of that week.</span><br></blockquote><blockquote type="cite"><span>In theory, if the bird moves during the weekend by hunting, the distances</span><br></blockquote><blockquote type="cite"><span>of the days Saturday and Sunday should be greater than those of Monday,</span><br></blockquote><blockquote type="cite"><span>Tuesday, Wednesday, Thursday and Friday.</span><br></blockquote><blockquote type="cite"><span>How do you come up with this? Any other alternative?</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>Thank you very much in advance</span><br></blockquote><span></span><br><span>_______________________________________________</span><br><span>Qgis-user mailing list</span><br><span><a href="mailto:Qgis-user@lists.osgeo.org">Qgis-user@lists.osgeo.org</a></span><br><span>List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user">https://lists.osgeo.org/mailman/listinfo/qgis-user</a></span><br><span>Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user">https://lists.osgeo.org/mailman/listinfo/qgis-user</a></span></div></blockquote></body></html>