Spike detection fix

spike_sorting.m

@@ -11,8 +11,6 @@
 %%
 %% =================================================================================================
 %% S.1
-clear all
-
 datasetMedians = zeros(8);
 datasetFactors = zeros(8);
 
@@ -133,6 +131,7 @@ for fileIndex=1:4
         if data(sample) >= threshold
             % spike found
             numberOfSpikes = numberOfSpikes + 1;
+            spikeStartIndex = sample;
             
             % skips cheking until values are below threshold again
             while sample <= length(data)
@@ -145,7 +144,7 @@ for fileIndex=1:4
                     % Q.2.1
                     spikesTimesEst(numberOfSpikes) = firstIndex;
                     % Q.2.2
-                    spikesEst(numberOfSpikes, :) = data(firstIndex-34:firstIndex+29);
+                    spikesEst(numberOfSpikes, :) = data(spikeStartIndex-1+firstIndex-34:spikeStartIndex-1+firstIndex+29);
                     break;
                 end
             end
@@ -154,7 +153,7 @@ for fileIndex=1:4
     end
     
     fprintf('%d spikes found for dataset #%d\n', numberOfSpikes, fileIndex);
-    fprintf('actial number of spikes = %d\n', length(Dataset.spikeTimes));
+    fprintf('actual number of spikes = %d\n', length(Dataset.spikeTimes));
     fprintf('diff = %d\n\n', abs(length(Dataset.spikeTimes) - numberOfSpikes));
         
     figure();