<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:'times new roman', 'new york', times, serif;font-size:12pt"><div><div style="color: black; font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; ">Dear list,</div><div style="color: black; font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; "><br></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif" size="3">I am trying to explore spatial patterns in some density data that I have (attached txt- RDdensityChange). I have </font><font class="Apple-style-span" face="'times new roman', 'new york', times, serif">successfully</font><font class="Apple-style-span" face="'times new roman', 'new york', times, serif" size="3"> carried out Moran's I correlogram on the data using the library (</font><span class="Apple-style-span" style="font-family: 'times new roman', 'new
york', times, serif; font-size: 16px; ">pgirmess). I now wish to carry out an anisotropic correlogram, I have looked at the ncf and ape packages but I am failing to get the out put I want: </span></div></div><div><span class="Apple-style-span" style="font-family: 'times new roman', 'new york', times, serif; font-size: 16px; "><br></span></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif">I would like to find the direction in which the change is </font><font class="Apple-style-span" face="'times new roman', 'new york', times, serif">occurring, how significant it is etc. </font></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif"><br></font></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif">To do this I believe I need to calculate the distance between points (municipXY.txt attached is the latitude longitude
location of my data points) when they are projected onto a perpendicular line (of angle 0 ie. north line). use the distances calculated to to run a new morans I. And then repeat for a new angle (eg 45 degrees (North east), 90 degrees (east) etc). </font></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif"><br></font></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif">Unfortunately I don't know how to do this, I am very new to spatial analysis and R. </font></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif">I would greatly appreciate any help on this matter. </font></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif"><br></font></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif">Thank you for your
time, </font></div><div><font class="Apple-style-span" face="'times new roman', 'new york', times, serif">S.</font></div><div></div><div style="color: black; font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; position: fixed; "></div>
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