From 5d7a334b812a0b5a6214f11e9fdcea46188bb1f3 Mon Sep 17 00:00:00 2001
From: Kevin Johnson <appliedmathkj@gmail.com>
Date: Mon, 26 Jul 2021 10:26:52 -0700
Subject: [PATCH] BUG #354 var and stdev ddof

---
 README.md                        | 2 +-
 pandas_ta/statistics/stdev.py    | 2 +-
 pandas_ta/statistics/variance.py | 2 +-
 setup.py                         | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 0edd4085..a817ef12 100644
--- a/README.md
+++ b/README.md
@@ -112,7 +112,7 @@ $ pip install pandas_ta
 
 Latest Version
 --------------
-Best choice! Version: *0.3.12b*
+Best choice! Version: *0.3.13b*
 * Includes all fixes and updates between **pypi** and what is covered in this README.
 ```sh
 $ pip install -U git+https://github.com/twopirllc/pandas-ta
diff --git a/pandas_ta/statistics/stdev.py b/pandas_ta/statistics/stdev.py
index 13a8bb67..d5c2ddfa 100644
--- a/pandas_ta/statistics/stdev.py
+++ b/pandas_ta/statistics/stdev.py
@@ -9,7 +9,7 @@ def stdev(close, length=None, ddof=None, talib=None, offset=None, **kwargs):
     """Indicator: Standard Deviation"""
     # Validate Arguments
     length = int(length) if length and length > 0 else 30
-    ddof = int(ddof) if ddof and ddof >= 0 and ddof < length else 1
+    ddof = int(ddof) if isinstance(ddof, int) and ddof >= 0 and ddof < length else 1
     close = verify_series(close, length)
     offset = get_offset(offset)
     mode_tal = bool(talib) if isinstance(talib, bool) else True
diff --git a/pandas_ta/statistics/variance.py b/pandas_ta/statistics/variance.py
index 66309415..520f7da0 100644
--- a/pandas_ta/statistics/variance.py
+++ b/pandas_ta/statistics/variance.py
@@ -7,7 +7,7 @@ def variance(close, length=None, ddof=None, talib=None, offset=None, **kwargs):
     """Indicator: Variance"""
     # Validate Arguments
     length = int(length) if length and length > 1 else 30
-    ddof = int(ddof) if ddof and ddof >= 0 and ddof < length else 0
+    ddof = int(ddof) if isinstance(ddof, int) and ddof >= 0 and ddof < length else 1
     min_periods = int(kwargs["min_periods"]) if "min_periods" in kwargs and kwargs["min_periods"] is not None else length
     close = verify_series(close, max(length, min_periods))
     offset = get_offset(offset)
diff --git a/setup.py b/setup.py
index 110156be..beacf37c 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
         "pandas_ta.volatility",
         "pandas_ta.volume"
     ],
-    version=".".join(("0", "3", "12b")),
+    version=".".join(("0", "3", "13b")),
     description=long_description,
     long_description=long_description,
     author="Kevin Johnson",