· 2 min read

# Correlation between Deep Learning Concepts and Philosophy

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**DL** = **D**eep **L**earning

**NN** = **N**eural **N**etwork

**P** = **P**hilosophy

### Gradient descent

**DL:** Optimization algorithm used for training NN.

**P:** You can reach the place you want one step, in the right direction, at a time.

### Keep weights small

**DL:** Helps NN learn new data faster

**P:** Keep your identity small so that you can adjust easily.

### Local and Global Minima

**DL:** Local Minima means your NN has learned something but it is not optimal. We always aim for Global Minima.

**P:** Your views and opinions are not perfect. They are probably just your perspective.

### Randomize Weights

**DL:** Helps you explore the landscape and avoids getting stuck in local minima.

**P:** Put yourself in random situations to learn from them.

### Exponentially Weighted Average

**DL:** A type of average where more weightage is given to past numbers than the latest number.

**P:** Do you change your path completely if one outcome goes wrong? What about the last n outcomes that were right?

### Metrics

**DL:** Used to check how well a NN has trained. Further training will be adjusted accordingly.

**P:** Use metrics to see what’s working and not working. Adjust plans accordingly.

### Test Data and Testing

**DL:** Tests NN on unseen data.

**P:** Test assumptions/beliefs to see if they are true or not

### Overfitting

**DL:** NN memorized only certain things completely and cannot variations of unseen things.

**P:** What you don’t yet know is more important than what you already know.

## Here are some more from my good friend Jayesh

## Batch size

**DL:** Number of items processed before the DL model is updated.

**P:** Try to understand different perspectives at any given time to avoid any biases

## Regularisation

**DL:** Add penalty of complexity to complex model parameters to reduce overfitting.

**P:** Penalize overconfidence to reach the correct place. If we think of large weights as ego, we come to the famous stoic quote - Ego is the enemy - this can lead to dead neurons i.e. hampered learning/growth