diff --git a/Black Friday Sales Prediction Analysis - Regression/Black Friday Sales Prediction Analysis - Regression.ipynb b/Black Friday Sales Prediction Analysis - Regression/Black Friday Sales Prediction Analysis - Regression.ipynb
index f6a8f42..ee4f606 100644
--- a/Black Friday Sales Prediction Analysis - Regression/Black Friday Sales Prediction Analysis - Regression.ipynb	
+++ b/Black Friday Sales Prediction Analysis - Regression/Black Friday Sales Prediction Analysis - Regression.ipynb	
@@ -44,6 +44,13 @@
     "import numpy as np\n",
     "import seaborn as sns\n",
     "import matplotlib.pyplot as plt\n",
+    "from sklearn.model_selection import train_test_split, cross_val_score, GridSearchCV\n"
+    "from sklearn.metrics import mean_squared_error\n"
+    "from sklearn.preprocessing import LabelEncoder\n"
+    "from sklearn.ensemble import RandomForestRegressor\n"
+    "from xgboost import XGBRegressor\n"
+    "from sklearn.feature_selection import SelectKBest, f_regression\n"
+    "from scipy.stats import zscore\n"
     "import warnings\n",
     "%matplotlib inline\n",
     "warnings.filterwarnings('ignore')"