Skip to content

Add files via upload #2

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
yqxiao28 wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Add files via upload #2

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
74 changes: 68 additions & 6 deletions Gradient Boosting.ipynb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
"cells": [
{
"cell_type": "code",
"execution_count": 17,
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -25,7 +25,7 @@
},
{
"cell_type": "code",
"execution_count": 18,
"execution_count": 2,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -41,7 +41,7 @@
},
{
"cell_type": "code",
"execution_count": 19,
"execution_count": 3,
"metadata": {},
"outputs": [
{
Expand Down Expand Up @@ -239,7 +239,7 @@
"[5 rows x 25 columns]"
]
},
"execution_count": 19,
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
Expand All @@ -251,7 +251,7 @@
},
{
"cell_type": "code",
"execution_count": 20,
"execution_count": 4,
"metadata": {},
"outputs": [
{
Expand Down Expand Up @@ -628,7 +628,7 @@
"default.payment.next.month 0.00 0.0 0.00 1.0 "
]
},
"execution_count": 20,
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
Expand Down Expand Up @@ -731,6 +731,68 @@
"pyplot.show()"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Train/Valid/Test sizes: 16800 4200 9000\n"
]
}
],
"source": [
"#model training and testing \n",
"test_data.rename(columns={'default.payment.next.month':'default'}, inplace=True)\n",
"\n",
"data_x = test_data.drop(['default'], axis = 1)\n",
"data_y = test_data.default\n",
"\n",
"X_temp, X_test, y_temp, y_test = \\\n",
" train_test_split(data_x, data_y, test_size=0.3, random_state=123, stratify=data_y)\n",
"\n",
"X_train, X_valid, y_train, y_valid = \\\n",
" train_test_split(X_temp, y_temp, test_size=0.2, random_state=123, stratify=y_temp)\n",
"\n",
"print('Train/Valid/Test sizes:', y_train.shape[0], y_valid.shape[0], y_test.shape[0])\n"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Training Accuracy: 0.92\n",
"Validation Accuracy: 0.81\n",
"Test Accuracy: 0.82\n"
]
}
],
"source": [
"from sklearn.ensemble import GradientBoostingClassifier\n",
"\n",
"\n",
"boost = GradientBoostingClassifier(\n",
" learning_rate=0.1,\n",
" n_estimators=100,\n",
" max_depth=8,\n",
" random_state=1)\n",
"\n",
"boost.fit(X_train, y_train)\n",
" \n",
" \n",
"print(\"Training Accuracy: %0.2f\" % boost.score(X_train, y_train))\n",
"print(\"Validation Accuracy: %0.2f\" % boost.score(X_valid, y_valid))\n",
"print(\"Test Accuracy: %0.2f\" % boost.score(X_test, y_test))"
]
},
{
"cell_type": "code",
"execution_count": null,
Expand Down