diff --git a/toy/regression_poisson_features_test.dat b/toy/regression_poisson_features_test.dat
new file mode 100644
index 00000000..ef1653bd
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diff --git a/toy/regression_poisson_features_train.dat b/toy/regression_poisson_features_train.dat
new file mode 100644
index 00000000..ce591d89
--- /dev/null
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diff --git a/toy/regression_poisson_labels_test.dat b/toy/regression_poisson_labels_test.dat
new file mode 100644
index 00000000..0f78280b
--- /dev/null
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diff --git a/toy/regression_poisson_labels_train.dat b/toy/regression_poisson_labels_train.dat
new file mode 100644
index 00000000..9605c526
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