def getVelocityFeatures(data, requiredFeatures=None):
requiredFeatures = checkRequiredFeatures(requiredFeatures)
data = getVelocity(data, requiredFeatures['cols'])
features = dict()
for f in requiredFeatures['features']:
fun, useGetFun = posFeatures()[f]
if useGetFun:
ff = getFun(data, fun, f)
else:
ff = fun(data, f)
features.update(ff)
return features
def getSimpleTimeDomainFeatures(data, requiredFeatures=None):
requiredFeatures = checkRequiredFeatures(requiredFeatures)
data = data[requiredFeatures['cols']]
features = dict()
for f in requiredFeatures['features']:
fun, useGetFun = posFeatures()[f]
if useGetFun:
ff = getFun(data, fun, f)
else:
ff = fun(data, f)
features.update(ff)
return features
def getFirstN(data, name, n):
features = dict()
for i in range(n):
features.update(getFun(data, lambda ar: ar[i], name + `i`))
return features
