Question

我的python代碼在Ubuntu 14.04中成功運行;但是當我去Windows平臺上運行時，它會引發我的錯誤。 守則：

import pymc 

with open("days1.txt") as f: 
    dataset = map(float, f) 

a = pymc.Uniform('a', lower=0, upper=1500000, value=70, doc='Weibull alpha parameter') 

b = pymc.Uniform('b', lower=0, upper=1500000, value=70, doc='Weibull beta parameter') 

like = pymc.Weibull('like', alpha=a, beta=b, value=dataset, observed=True) 

if __name__=='__main__': 

    import pylab 
    M = pymc.MCMC([a,b,like]) 
    M.sample(10000,5000,2) 
    pymc.Matplot.plot(a) 
    pymc.Matplot.plot(b) 
    M.summary() 
    M.write_csv("parameters1.csv") 

錯誤：

C:\Python35-32>python.exe "E:\TCS\Desktop\EarlyWarning\JLR\Data\EJ327000AB\Scrip 
ts\Screen 7\Check Python - 1\weibullEstimationOutData - 1.py" 
Traceback (most recent call last): 
    File "C:\Python35-32\lib\site-packages\pymc\PyMCObjects.py", line 742, in __in 
it__ 
    self._value = np.array(value, dtype=dtype) 
TypeError: float() argument must be a string or a number, not 'map' 

在處理上述異常，另一個異常：

Traceback (most recent call last): 
    File "E:\TCS\Desktop\EarlyWarning\JLR\Data\EJ327000AB\Scripts\Screen 7\Check P 
ython - 1\weibullEstimationOutData - 1.py", line 8, in <module> 
    like = pymc.Weibull('like', alpha=a, beta=b, value=dataset, observed=True) 
    AttributeError: 'TypeError' object has no attribute 'message' 

請幫助。提前致謝

Answer 1

您正在使用Python 2與Ubuntu，但Python 3與Windows。安裝Python 2 for Windows，或將您的代碼移植到Python 3

import pylab 
import pymc 

with open("days1.txt") as f: 
    dataset = list(map(float, f)) 

a = pymc.Uniform('a', lower=0, upper=1500000, value=70, doc='Weibull alpha parameter') 

b = pymc.Uniform('b', lower=0, upper=1500000, value=70, doc='Weibull beta parameter') 

like = pymc.Weibull('like', alpha=a, beta=b, value=dataset, observed=True) 

if __name__=='__main__': 
    M = pymc.MCMC([a,b,like]) 
    M.sample(10000,5000,2) 
    pymc.Matplot.plot(a) 
    pymc.Matplot.plot(b) 
    M.summary() 
    M.write_csv("parameters1.csv")