Hendrik/xgboost
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python 3 encoding

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This commit is contained in:
giuliohome 2014-09-08 23:40:04 +02:00
parent 852ce6be0b
commit 02e41be857
1 changed files with 10 additions and 2 deletions
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12
wrapper/xgboost.py
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@ -436,7 +436,11 @@ def train(params, dtrain, num_boost_round = 10, evals = [], obj=None, feval=None
for i in range(num_boost_round): for i in range(num_boost_round):
bst.update( dtrain, i, obj ) bst.update( dtrain, i, obj )
if len(evals) != 0: if len(evals) != 0:
sys.stderr.write(bst.eval_set(evals, i, feval).decode()+'\n') bst_eval_set=bst.eval_set(evals, i, feval)
if isinstance(bst_eval_set,str):
sys.stderr.write(bst_eval_set+'\n')
else:
sys.stderr.write(bst_eval_set.decode()+'\n')
return bst return bst
class CVPack: class CVPack:
@ -467,7 +471,7 @@ def mknfold(dall, nfold, param, seed, evals=[], fpreproc = None):
dtrain, dtest, tparam = fpreproc(dtrain, dtest, param.copy()) dtrain, dtest, tparam = fpreproc(dtrain, dtest, param.copy())
else: else:
tparam = param tparam = param
plst = tparam.items() + [('eval_metric', itm) for itm in evals] plst = list(tparam.items()) + [('eval_metric', itm) for itm in evals]
ret.append(CVPack(dtrain, dtest, plst)) ret.append(CVPack(dtrain, dtest, plst))
return ret return ret
@ -481,12 +485,16 @@ def aggcv(rlist, show_stdv=True):
arr = line.split() arr = line.split()
assert ret == arr[0] assert ret == arr[0]
for it in arr[1:]: for it in arr[1:]:
if not isinstance(it,str):
it=it.decode()
k, v = it.split(':') k, v = it.split(':')
if k not in cvmap: if k not in cvmap:
cvmap[k] = [] cvmap[k] = []
cvmap[k].append(float(v)) cvmap[k].append(float(v))
for k, v in sorted(cvmap.items(), key = lambda x:x[0]): for k, v in sorted(cvmap.items(), key = lambda x:x[0]):
v = np.array(v) v = np.array(v)
if not isinstance(ret,str):
ret = ret.decode()
if show_stdv: if show_stdv:
ret += '\tcv-%s:%f+%f' % (k, np.mean(v), np.std(v)) ret += '\tcv-%s:%f+%f' % (k, np.mean(v), np.std(v))
else: else: