ValueError: Length of values (2401) does not match length of index (2400) #22
Description
Trying to run this simple code an getting following error
df = yf.download('TATAMOTORS.NS' , start='2022-04-01', end='2022-05-20', interval='5m')
df['date'] = df.index
df.index = range(len(df))
df.columns = df.columns.str.lower()
r = Renko(df)
r.set_brick_size(auto=True, atr_interval=2)
r.build()
r.plot()
Verifed that
df.index.size is 2401
len(df) is 2401
ValueError Traceback (most recent call last)
/tmp/ipykernel_1319/1050412922.py in
1 r = Renko(df)
----> 2 r.set_brick_size(auto=True, atr_interval=2)
3 r.build()
4
5 r.plot()
/local/home/dshetyo/python-venvs/python3.7_venv/lib/python3.7/site-packages/TAcharts/indicators/renko.py in set_brick_size(self, brick_size, auto, atr_interval)
44 raise ValueError("ATR interval is longer than historical data.")
45
---> 46 self.brick_size = self._optimize_brick_size(auto, brick_size, atr_interval)
47 return self.brick_size
48
/local/home/dshetyo/python-venvs/python3.7_venv/lib/python3.7/site-packages/TAcharts/indicators/renko.py in _optimize_brick_size(self, auto, brick_size, atr_interval)
52 if auto and not brick_size:
53 average_true_range = atr(
---> 54 self.df["high"], self.df["low"], self.df["close"], n=atr_interval
55 )
56 brick_size = np.median(average_true_range)
/local/home/dshetyo/python-venvs/python3.7_venv/lib/python3.7/site-packages/TAcharts/indicators/atr.py in atr(high, low, close, n)
15 """ Returns the average true range from candlestick data """
16
---> 17 prev_close = np.insert(close[:-1], 0, 0)
18 # True range is largest of the following:
19 # a. Current high - current low
<array_function internals> in insert(*args, **kwargs)
/local/home/dshetyo/python-venvs/python3.7_venv/lib64/python3.7/site-packages/numpy/lib/function_base.py in insert(arr, obj, values, axis)
4728 new[tuple(slobj)] = arr[tuple(slobj2)]
4729 if wrap:
-> 4730 return wrap(new)
4731 return new
4732 elif indices.size == 0 and not isinstance(obj, np.ndarray):
/local/home/dshetyo/python-venvs/python3.7_venv/lib64/python3.7/site-packages/pandas/core/generic.py in array_wrap(self, result, context)
2023 # error: Argument 1 to "NDFrame" has incompatible type "ndarray";
2024 # expected "BlockManager"
-> 2025 return self._constructor(res, **d).finalize( # type: ignore[arg-type]
2026 self, method="array_wrap"
2027 )
/local/home/dshetyo/python-venvs/python3.7_venv/lib64/python3.7/site-packages/pandas/core/series.py in init(self, data, index, dtype, name, copy, fastpath)
428 index = ibase.default_index(len(data))
429 elif is_list_like(data):
--> 430 com.require_length_match(data, index)
431
432 # create/copy the manager
/local/home/dshetyo/python-venvs/python3.7_venv/lib64/python3.7/site-packages/pandas/core/common.py in require_length_match(data, index)
530 if len(data) != len(index):
531 raise ValueError(
--> 532 "Length of values "
533 f"({len(data)}) "
534 "does not match length of index "
ValueError: Length of values (2401) does not match length of index (2400)