topic Predict Trend is always just linear in ArcGIS Image Analyst Questions https://community.esri.com/t5/arcgis-image-analyst-questions/predict-trend-is-always-just-linear/m-p/1567003#M774 <P>Anyone had luck with the Predict using Trend Raster tool?&nbsp; No matter what I try I just get simple linear trend.</P><P>Here is a temporal profile of my 37 year raster.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="DougBrowning_0-1733864958820.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/121349iC776ED9FBEFBC06A/image-size/medium?v=v2&amp;px=400" role="button" title="DougBrowning_0-1733864958820.png" alt="DougBrowning_0-1733864958820.png" /></span></P><P>Predicting out 30 years I get this for the same area.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="DougBrowning_1-1733864995068.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/121350i9BF69E06A64B0530/image-size/medium?v=v2&amp;px=400" role="button" title="DougBrowning_1-1733864995068.png" alt="DougBrowning_1-1733864995068.png" /></span></P><P>Expect Harmonic which is even stranger.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="DougBrowning_2-1733865038666.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/121351iF3847C956FD9C08E/image-size/medium?v=v2&amp;px=400" role="button" title="DougBrowning_2-1733865038666.png" alt="DougBrowning_2-1733865038666.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="DougBrowning_3-1733865202589.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/121352i229BBC36C8814A51/image-size/medium?v=v2&amp;px=400" role="button" title="DougBrowning_3-1733865202589.png" alt="DougBrowning_3-1733865202589.png" /></span></P><P>&nbsp;</P><P>Any tips or tricks here?</P><P>thanks</P><P>&nbsp;</P> Tue, 10 Dec 2024 21:13:52 GMT DougBrowning 2024-12-10T21:13:52Z Predict Trend is always just linear https://community.esri.com/t5/arcgis-image-analyst-questions/predict-trend-is-always-just-linear/m-p/1567003#M774 <P>Anyone had luck with the Predict using Trend Raster tool?&nbsp; No matter what I try I just get simple linear trend.</P><P>Here is a temporal profile of my 37 year raster.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="DougBrowning_0-1733864958820.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/121349iC776ED9FBEFBC06A/image-size/medium?v=v2&amp;px=400" role="button" title="DougBrowning_0-1733864958820.png" alt="DougBrowning_0-1733864958820.png" /></span></P><P>Predicting out 30 years I get this for the same area.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="DougBrowning_1-1733864995068.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/121350i9BF69E06A64B0530/image-size/medium?v=v2&amp;px=400" role="button" title="DougBrowning_1-1733864995068.png" alt="DougBrowning_1-1733864995068.png" /></span></P><P>Expect Harmonic which is even stranger.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="DougBrowning_2-1733865038666.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/121351iF3847C956FD9C08E/image-size/medium?v=v2&amp;px=400" role="button" title="DougBrowning_2-1733865038666.png" alt="DougBrowning_2-1733865038666.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="DougBrowning_3-1733865202589.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/121352i229BBC36C8814A51/image-size/medium?v=v2&amp;px=400" role="button" title="DougBrowning_3-1733865202589.png" alt="DougBrowning_3-1733865202589.png" /></span></P><P>&nbsp;</P><P>Any tips or tricks here?</P><P>thanks</P><P>&nbsp;</P> Tue, 10 Dec 2024 21:13:52 GMT https://community.esri.com/t5/arcgis-image-analyst-questions/predict-trend-is-always-just-linear/m-p/1567003#M774 DougBrowning 2024-12-10T21:13:52Z