Comments (6)
Thanks. I can reproduce this on my laptop. It may be caused by the extremely large value of the deviance when setting support.size = 0:14
.
> abess(x, y, tune.type = "gic", family = "poisson", support.size = 0:13)
Call:
abess.default(x = x, y = y, family = "poisson", tune.type = "gic", support.size = 0:13)
support.size dev GIC
1 0 -7.581848e+14 -1.51637e+15
2 1 -2.298525e+34 -4.59705e+34
3 2 -2.298525e+34 -4.59705e+34
4 3 -2.298525e+34 -4.59705e+34
5 4 -2.298525e+34 -4.59705e+34
6 5 -2.298525e+34 -4.59705e+34
7 6 -2.298525e+34 -4.59705e+34
8 7 -2.298525e+34 -4.59705e+34
9 8 -2.298525e+34 -4.59705e+34
10 9 -2.298525e+34 -4.59705e+34
11 10 -2.298525e+34 -4.59705e+34
12 11 -2.298525e+34 -4.59705e+34
13 12 -2.298525e+34 -4.59705e+34
14 13 -2.298525e+34 -4.59705e+34
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@oooo26 , I have uploaded two files poisson_y.csv
and poisson_x.csv
that corresponds to y
and x
, respectively. Can you test whether this issue happens in python?
poisson_x.csv
poisson_y.csv
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Hi, sorry for the late response. I have checked in Python, but the problem seems to not happen.
ABESS version: latest, v0.4.6(PyPI)
Python version: 3.9.12
Here is the test code:
import numpy as np
import pandas as pd
import abess
X = pd.read_csv("poisson_x.csv")
y = pd.read_csv("poisson_y.csv").squeeze()
print(X.shape)
print(y.shape)
model = abess.PoissonRegression(
support_size=range(15), # 0:14
cv=5 # both CV and IC are working
)
model.fit(X, y)
print(f"Sparsity: {np.count_nonzero(model.coef_)}")
print(f"Non-zero: {np.nonzero(model.coef_)[0]}")
print(f"Train Loss: {model.train_loss_}")
print(f"Test Loss: {model.eval_loss_}")
######
# Sparsity: 4
# Non-zero: [122 352 573 769]
# Train Loss: -2360540438301305.5
# Test Loss: -729389503380903.0
######
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