e extent timeseries as our ensemble data.  We'll start by reshaping the two timeseries to year x time-of-year matrices using <a href="reshapetimeseries_documentation.html"><tt>reshapetimeseries</tt></a>, and concatenating these.  The early data uses a two-day interval, while the later is daily; we'll bin data weekly to avoid any artifacts from this change:</p><pre class="codeinput">load <span class="string">seaice_extent.mat</span>

iceN = reshapetimeseries(t, extent_N, <span class="string">'bin'</span>, 52