From 353fd077d1e5db0f89bd8e9bb9b9206175a45128 Mon Sep 17 00:00:00 2001
From: Ian <iankhr@yahoo.com>
Date: Sun, 15 Oct 2023 16:32:12 +0200
Subject: [PATCH] Fixed issue with regARMA where the setup breaks if multiple
 regressors are added

---
 .gitignore           | 3 +++
 armagarch/regARMA.py | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 7a4c971..8da8b7b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,5 +49,8 @@ coverage.xml
 *.log
 *.pot
 
+# pip
+.pypirc
+
 # Sphinx documentation
 docs/_build/
\ No newline at end of file
diff --git a/armagarch/regARMA.py b/armagarch/regARMA.py
index c02089b..8b9eea0 100644
--- a/armagarch/regARMA.py
+++ b/armagarch/regARMA.py
@@ -51,7 +51,7 @@ def _getStartingVals(self):
             # get starting values from ARMA model
             self._startingValues = self._coreARMA._startingValues
             # add starting values for the regressors from OLS
-            X = np.array([np.ones(len(self._regs)), np.reshape(self._regs.values,(len(self._regs),))]).T
+            X = np.concatenate([np.ones((self._regs.shape[0],1)), self._regs], axis=1)
             Y = self._data.values
             beta = np.linalg.inv(X.T@X)@X.T@Y
             self._startingValues = np.concatenate((self._startingValues,np.reshape(beta[1:],(len(beta[1:]),))))