示例#1
0
def predictions(dataframe,models):
    """we assume model has been trained; 
    we also assume that the mapper has been under modifys"""
    mods = dataframe['module_category'].unique()
    dataframe['predictions']=5
    
    
    for each_mod in mods:
        cats = dataframe[dataframe['module_category']==each_mod]['component_category'].unique()
        for each_cat in cats:
            key =(each_mod,each_cat)
            if key in models[0]:
                A,mu,sigma = models[0][key]
                
                #A*np.exp(-(x-mu)**2/(2.*sigma**2))
                dataframe[(dataframe['module_category']==each_mod) \
                    & (dataframe['component_category']==each_cat)]['predictions'] = \
                  A*np.exp(-(dataframe[(dataframe['module_category']==each_mod) \
                    & (dataframe['component_category']==each_cat)]['time'] - mu)**2/(2.*sigma**2))
    dataframe['predictions'].round()
    return dataframe
                
              
    
    
    
    
    
    
    
    
    
    
    
示例#2
0
def gauss(x, *p):
    A, mu, sigma = p
    return A*np.exp(-(x-mu)**2/(2.*sigma**2))