def L63_gen():
from dapper.mods.Lorenz63.sakov2012 import HMM as _HMM
HMM = _HMM.copy()
HMM.t.BurnIn = 0
HMM.t.KObs = 10
dpr.set_seed(3000)
# xps
xps = dpr.xpList()
xps += da.Climatology()
xps += da.OptInterp()
xps += da.Var3D(xB=0.1)
xps += da.ExtKF(infl=90)
xps += da.EnKF("Sqrt", N=3, infl=1.30)
xps += da.EnKF("Sqrt", N=10, infl=1.02, rot=True)
xps += da.EnKF("PertObs", N=500, infl=0.95, rot=False)
xps += da.EnKF_N(N=10, rot=True)
xps += da.iEnKS("Sqrt", N=10, infl=1.02, rot=True)
xps += da.PartFilt(N=100, reg=2.4, NER=0.3)
xps += da.PartFilt(N=800, reg=0.9, NER=0.2)
xps += da.PartFilt(N=4000, reg=0.7, NER=0.05)
xps += da.PFxN(xN=1000, N=30, Qs=2, NER=0.2)
# Run
xps.launch(HMM, False, store_u=True)
return xps
def L63_gen():
from dapper.mods.Lorenz63.sakov2012 import HMM as _HMM
HMM = _HMM.copy()
HMM.tseq.BurnIn = 0
HMM.tseq.Ko = 10
# xps
xps = dpr.xpList()
xps += da.Climatology()
xps += da.OptInterp()
xps += da.Persistence()
xps += da.PreProg(lambda k, xx, yy: xx[k])
xps += da.Var3D(xB=0.1)
xps += da.ExtKF(infl=90)
xps += da.EnKF("Sqrt", N=3, infl=1.30)
xps += da.EnKF("Sqrt", N=10, infl=1.02, rot=True)
xps += da.EnKF("PertObs", N=500, infl=0.95, rot=False)
xps += da.EnKF_N(N=10, rot=True)
xps += da.iEnKS("Sqrt", N=10, infl=1.02, rot=True)
xps += da.PartFilt(N=100, reg=2.4, NER=0.3)
xps += da.PartFilt(N=800, reg=0.9, NER=0.2)
xps += da.PartFilt(N=4000, reg=0.7, NER=0.05)
xps += da.PFxN(xN=1000, N=30, Qs=2, NER=0.2)
xps += da.OptPF(N=100, Qs=2, reg=0.7, NER=0.3)
xps += da.EnKS("Serial", N=30, Lag=1)
xps += da.EnRTS("Serial", N=30, DeCorr=0.99)
for xp in xps:
xp.seed = 3000
# Run
xps.launch(HMM, False, store_u=True)
return xps
def test_L63():
from dapper.mods.Lorenz63.sakov2012 import HMM as _HMM
xps = dpr.xpList()
xps += da.EnKF("Sqrt", N=10, infl=1.02, rot=True)
xps += da.PartFilt(N=20, reg=2.4, NER=0.3)
xps += da.OptInterp()
# xps += da.iEnKS('Sqrt', N=10, infl=1.02,rot=True)
HMM = _HMM.copy()
HMM.tseq.BurnIn = HMM.tseq.dto
HMM.tseq.Ko = 1
xps.launch(
HMM,
free=False,
statkeys=True,
liveplots=None,
store_u=False,
fail_gently=False,
save_as=False,
)
print(xps.tabulate_avrgs(["rmse.a"]))
# Disabled coz magic doesn't work any more on python 3.7
# spell_out(HMM)
# spell_out(xps[-1])
# spell_out(xps[-1].stats)
# spell_out(xps[-1].avrgs)
assert True # An assertion for pytest to count
return HMM, xps # Return useful stuff
def test_L63():
from dapper.mods.Lorenz63.sakov2012 import HMM as _HMM
xps = dpr.xpList()
xps += da.EnKF('Sqrt', N=10, infl=1.02, rot=True)
xps += da.PartFilt(N=20, reg=2.4, NER=0.3)
xps += da.OptInterp()
# xps += da.iEnKS('Sqrt', N=10, infl=1.02,rot=True)
HMM = _HMM.copy()
HMM.t.BurnIn = HMM.t.dtObs
HMM.t.KObs = 1
xps.launch(HMM,
free=False,
liveplots="all",
store_u=False,
fail_gently=False)
for xp in xps:
xp.stats.replay("all")
xp.stats.replay(t2=1)
xp.stats.replay(t2=0.0)
xp.stats.replay(t2=0.3)
xp.stats.replay(t2=0.8)
xp.stats.replay(t2=0.8, t1=0.2)
xp.stats.replay(t2=np.inf)
xp.stats.replay(t2=np.inf, speed=1)
xp.stats.replay(t2=np.inf, pause_a=0, pause_f=0)
assert True # An assertion for pytest to count
return HMM, xps # Return useful stuff
# #### DA method configurations
xps = dpr.xpList()
from dapper.mods.Lorenz63.sakov2012 import HMM # Expected rmse.a:
xps += da.Climatology() # 7.6
xps += da.OptInterp() # 1.25
xps += da.Var3D(xB=0.1) # 1.03
xps += da.ExtKF(infl=90) # 0.87
xps += da.EnKF('Sqrt', N=3, infl=1.30) # 0.82
xps += da.EnKF('Sqrt', N=10, infl=1.02, rot=True) # 0.63
xps += da.EnKF('PertObs', N=500, infl=0.95, rot=False) # 0.56
xps += da.EnKF_N(N=10, rot=True) # 0.54
xps += da.iEnKS('Sqrt', N=10, infl=1.02, rot=True) # 0.31
xps += da.PartFilt(N=100, reg=2.4, NER=0.3) # 0.38
xps += da.PartFilt(N=800, reg=0.9, NER=0.2) # 0.28
# xps += da.PartFilt( N=4000, reg=0.7 , NER=0.05) # 0.27
# xps += da.PFxN(xN=1000, N=30 , Qs=2 , NER=0.2) # 0.56
# #### With Lorenz-96 instead
# +
# from dapper.mods.Lorenz96.sakov2008 import HMM # Expected rmse.a:
# xps += da.Climatology() # 3.6
# xps += da.OptInterp() # 0.95
# xps += da.Var3D(xB=0.02) # 0.41
# xps += da.ExtKF(infl=6) # 0.24
# xps += da.EnKF('PertObs', N=40, infl=1.06) # 0.22
# xps += da.EnKF('Sqrt', N=28, infl=1.02, rot=True) # 0.18
#