Will you please explain mXn matrix in detail. Columns deals with what? Which entry you had in row of the same matrix? Y is Ok price of rhe house w.r.t features and what?
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We do not choose theta value. We initialize it with zeros, and then train the model. The model changes the theta value itself. And choosing learning rate is like a trail and error method. We can start with any small value of learning rate, then make the following two choices: 1. If cost function is decreasing with our chosen learning rate, then we keep on increasing our learning rate and re-train our model partially everytime. 2. If our cost function is increasing instead of decreasing, then we decrease learning rate and retrain the model partially. We can choose a maximum value of learning rate on which our cost function is decreasing smoothly. During this testing process we don't need to train the entire model. We can just train model partially for few iterations to check if our cost function is decreasing or increasing. Once we decide the value for learning rate, then we can train our model completely.
@@MachineLearningWithJay bhai just one question, I have never tried python language in past but to now i want to explore ML, for this how much knowledge of python is required for exploring machine learning as a beginner
@@anilbaiga8764 You just need to know the basics of python programing. And after that, learn Numpy, pandas and basics of matplotlib. As you will work with ML models, you will get practice on Numpy, Pandas, matplotlib and any other python library ( if used in certain applications).
Will you please explain mXn matrix in detail. Columns deals with what? Which entry you had in row of the same matrix? Y is Ok price of rhe house w.r.t features and what?
i must say its the best explaination discovered yet , even bettter than the professors of universities...
Simple and clear explanation .. thank you
Thank You !
Thanks a lot for the clear explanation.
Your Welcome !
really really amazing explanation
Glad you found it helpful 😇
Thank you... Great Job...
Thanks Charuni !
why was n+1 ,a coulmn of 1 was added in 13.41
hi bhai..will you teach python and machine learning.?
Not python, but only machine learning and tensorflow framework in python
@@MachineLearningWithJay ok, can i have your contact details to reach about ML and tensorflow framework then .. could you please share..
@@odelakumar06 here is my mail codeboosterjp@gmail.com
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👉 You will get a New Video on Machine Learning, every Sunday, if you subscribe to my channel, here : th-cam.com/channels/JFAF6IsaMkzHBDdfriY-yQ.html
How to choose theta value and learning rate?
We do not choose theta value. We initialize it with zeros, and then train the model. The model changes the theta value itself.
And choosing learning rate is like a trail and error method. We can start with any small value of learning rate, then make the following two choices:
1. If cost function is decreasing with our chosen learning rate, then we keep on increasing our learning rate and re-train our model partially everytime.
2. If our cost function is increasing instead of decreasing, then we decrease learning rate and retrain the model partially.
We can choose a maximum value of learning rate on which our cost function is decreasing smoothly.
During this testing process we don't need to train the entire model. We can just train model partially for few iterations to check if our cost function is decreasing or increasing.
Once we decide the value for learning rate, then we can train our model completely.
Thank you
helpful video
Thank You
Shouldn't that be. -x (y - ypred)
Thank you mere bhai (✿ ♥‿♥)
Shukriya bro !!
@@MachineLearningWithJay bhai just one question, I have never tried python language in past but to now i want to explore ML, for this how much knowledge of python is required for exploring machine learning as a beginner
@@anilbaiga8764 You just need to know the basics of python programing. And after that, learn Numpy, pandas and basics of matplotlib.
As you will work with ML models, you will get practice on Numpy, Pandas, matplotlib and any other python library ( if used in certain applications).
@@anilbaiga8764 You can learn python for beginners from any of your prefered TH-cam channel.
@@MachineLearningWithJay thank you Bhai