[英]How to run same function multiple times and save as new variable
正如标题所说,我正在尝试运行 function 大约 30 多次,但每次都运行不同的变量。 每次它作为不同的变量运行时,我都试图保存,因为之后,将对它们运行不同的计算。 这是一个示例:
first = my_func(name = a, desc = b, ticker = c)
first.dict_name1 = z_score(first.data,12)
second = my_func(name = d, desc = e, ticker = f)
second.dict_name1 = ... (a diff calculation)
third = my_func(.....same process....)
class my_func:
def __init__(
self,
name = [],
desc = '',
# tickers can be loaded as a list of strings, or if a custom field is needed it can use a tuple
tickers = [],
indicator = [],
signal = []
):
self.name = name
self.desc = desc
self.tickers = tickers
self.data = {}
self._data = {}
for ticker in tickers:
# check if the ticker is a tuple, if so call the custom field
if isinstance(ticker, tuple):
self.load_data(ticker[0],ticker[1])
else:
self.load_data(ticker)
def load_data(self,ticker, field='PX_LAST'):
self.data[ticker] = bbg.bdh(ticker, fld_list = field, start_date='19300101')
将每次运行的参数保存在列表中并对其进行迭代。
lst = [(a, b, c), (d, e, f)]
results = [my_func(name=name, desc=desc, ticker=ticker) for name, desc, ticker in lst]
这是循环和列表的一个很好的用例。 列表列表包含每个调用的参数,并将它们收集在结果列表中
my_func_table =
# name, desc, ticker
[1, 2, 3],
[4, 5, 6],
[7, 8, 9] ]
results = []
for name, desc, ticker in my_func_table:
val = my_func(name=name, desc=desc, ticker=ticker)
val.dict_name1 = z_score(val.data,12)
results.append(val)
您还可以将这些结果与名称相关联。 可能是带有名称的字典、全局名称空间,甚至是将名称作为属性的普通 class。
result_names = ["first", "second", etc...]
for var, vals in zip(result_names, my_func_table):
name, desc, ticker = vals
val = my_func(name=name, desc=desc, ticker=ticker)
val.dict_name1 = z_score(val.data,12)
globals()[var] = val
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