Updated ARMA workshop slides and add plotting script

doc/workshop/ARMA/inputs/plot_synth.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+
+import sys
+import os
+import matplotlib.pyplot as plt
+import pandas as pd
+
+def main():
+    try:
+        synth_fp = os.path.abspath(sys.argv[1])
+        real_fp = os.path.abspath(os.path.join(os.path.dirname(synth_fp), "dataSet_0.csv"))
+    except IndexError:
+        print("ERROR: Filepath to synthetic data not provided")
+
+
+    synth = pd.read_csv(synth_fp)
+    real = pd.read_csv(real_fp)
+
+    fig, ax = plt.subplots()
+
+    ax.plot(synth.iloc[:, 0], synth.iloc[:, 1], color="goldenrod", label='Synthetic Signal')
+    ax.plot(real.iloc[:, 0], real.iloc[:, 1], label='Original Signal')
+    ax.set_xlabel('Time')
+    ax.set_ylabel('Value')
+    ax.legend()
+
+    output_fp = os.path.join(os.path.dirname(real_fp), "results.png")
+    plt.savefig(output_fp)
+
+
+if __name__ == '__main__':
+    main()