Made PCA bias work for input alignment. Fixed output matrix to pinv, added...

Made PCA bias work for input alignment. Fixed output matrix to pinv, added gaussian example, fixed output gaussian param inits, updated README

lfads/synth_data/synthetic_data_utils.py

@@ -132,7 +132,7 @@ def spikify_data(data_e, rng, dt=1.0, max_firing_rate=100):
     dt: how often the data are sampled
     max_firing_rate: the firing rate that is associated with a value of 1.0
   Returns:
-    spikified_data_e: a list of length b of the data represented as spikes,
+    spikified_e: a list of length b of the data represented as spikes,
     sampled from the underlying poisson process.
     """
 
@@ -160,8 +160,7 @@ def gaussify_data(data_e, rng, dt=1.0, max_firing_rate=100):
     dt: how often the data are sampled
     max_firing_rate: the firing rate that is associated with a value of 1.0
   Returns:
-    spikified_data_e: a list of length b of the data represented as spikes,
-    sampled from the underlying poisson process.
+    gauss_e: a list of length b of the data with noise.
     """
 
   E = len(data_e)