fix tsa import

QuantEcon · May 12, 2017 · 6b2321b · 6b2321b
1 parent 3ce6e63
commit 6b2321b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/quantecon/estspec.py b/quantecon/estspec.py
@@ -10,7 +10,7 @@
 from __future__ import division, print_function
 import numpy as np
 from numpy.fft import fft
-from statsmodels.api.tsa import AR
+from statsmodels.api import tsa
 
 
 def smooth(x, window_len=7, window='hanning'):
@@ -140,7 +140,7 @@ def ar_periodogram(x, window='hanning', window_len=7):
 
     """
     # === run regression === #
-    results = AR(x).fit(maxlag=1, cov_type='HAC', cov_kwds={'maxlags':1})
+    results = tsa.AR(x).fit(maxlag=1, cov_type='HAC', cov_kwds={'maxlags':1})
     e_hat = results.resid
     phi = results.params[1]