Merge pull request #121 from adi271001/Isotonic-Regression

Isotonic regression

Author: himanshu-03

Regression-Techniques/Isotonic-Regression.py

@@ -0,0 +1,23 @@
+from sklearn.isotonic import IsotonicRegression
+import matplotlib.pyplot as plt 
+from matplotlib.collections import LineCollection
+ 
+ir = IsotonicRegression() # create an instance of the IsotonicRegression class 
+
+# Fit isotonic regression model 
+y_ir = ir.fit_transform(x, y) # fit the model and transform the data 
+print('Isotonic Regression Predictions :\n',y_ir)
+
+# Create LineCollection for the isotonic regression line
+lines = [[[i, y_ir[i]] for i in range(n)]]
+
+# Line to measure the difference between actual and target value
+lc = LineCollection(lines)
+
+plt.plot(x, y_ir, '-', markersize=10, label='isotonic regression')
+
+plt.gca().add_collection(lc)
+plt.legend()  # add a legend
+
+plt.title("Isotonic Regression")
+plt.show()