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link_function class renamed as LinkFunction

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This commit is contained in:
Ricardo 2013-06-05 18:11:08 +01:00
parent a2bc6ec1e6
commit 2da309aab8
3 changed files with 9 additions and 10 deletions
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11
GPy/likelihoods/link_functions.py
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@ -9,7 +9,7 @@ import pylab as pb
from ..util.plot import gpplot
from ..util.univariate_Gaussian import std_norm_pdf,std_norm_cdf
class link_function(object):
class LinkFunction(object):
"""
Link function class for doing non-Gaussian likelihoods approximation
@ -19,7 +19,7 @@ class link_function(object):
def __init__(self):
pass
class identity(link_function):
class Identity(LinkFunction):
def transf(self,mu):
return mu
@ -29,7 +29,7 @@ class identity(link_function):
def log_inv_transf(self,f):
return np.log(f)
class log(link_function):
class Log(LinkFunction):
def transf(self,mu):
return np.log(mu)
@ -40,7 +40,7 @@ class log(link_function):
def log_inv_transf(self,f):
return f
class log_ex_1(link_function):
class Log_ex_1(LinkFunction):
def transf(self,mu):
return np.log(np.exp(mu) - 1)
@ -50,11 +50,10 @@ class log_ex_1(link_function):
def log_inv_tranf(self,f):
return np.log(np.log(np.exp(f)+1))
class probit(link_function):
class Probit(LinkFunction):
def inv_transf(self,f):
return std_norm_cdf(f)
def log_inv_transf(self,f):
return np.log(std_norm_cdf(f))