machine learning will help you identify future opportunities - dipesh yadav, frosmo at frosmox16
TRANSCRIPT
Machine LearningNeural Network
Dipesh Singh Yadav 25.10.2016
Understanding data with Machine Learning
2
Can you spot a banana?
How did we recognise banana?
Data : shape, color, texture
• How we recognized the banana?
• Copying from nature to machine
• Neural Network
• Regression model
• Training a machine to recognize banana
• Minimizing error with gradient descent
• Applications
• Difficulties in understanding data
Topics
3
How we recognized the banana?
4
Copying from nature to machines
5
Brain Machine
Neural Network
6
Regression model: All about fitting the data
7
Linear regression Logistic regression
Training a machine to recognize banana
8
Goal: Learn from failure
Update weights
Weights
Find tiny amount to change
Error in output layerGiven by Mean Square Error
Minimizing error with gradient descent
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Minimizing errors by going downhill
Goal: Finding direction and slowly moving towards it.
Error: Mean Square Error
Trained neural network
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Image Data
containing
information about
shape, color,
texture.
Feed Forward with trained weights
Applications
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• Identify trends and demands
• Create right pricing structure
• Identify and classify markets
• Intelligent content and product recommendations
Difficulties in understanding data
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