Santiago Profile picture
24 May, 6 tweets, 1 min read
Today, Python 🐍is the best language you can learn if you want to get into machine learning.

It has many things going for it, but here are 2 very important:

β€’ It's very flexible.
β€’ It's very popular.

This, however, can change.
I get a lot of questions about Python versus R.

R is great, but it doesn't have the flexibility that Python does.

Learn Python, and you can use it for more than machine learning: you can build your backend, MLOps, DevOps, tooling, etc.

One language. Multiple uses.
If you look at the literature today, it's Python all the way down.

If you look at libraries and frameworks, they are Python-first with a few spinoffs on different languages.

It's hard to go against the current.
This status quo, however, can change at any time.

I've been looking at JavaScript and its increasing footprint in the machine learning community.

To be clear, I don't think JavaScript will replace Python any time soon, but it's good to see progress somewhere else.
Competition fosters progress.

Having such a vibrant JavaScript community working in the machine learning ecosystem is an amazing incentive for Python to keep raising the bar.

Today, Python is the one obvious choice.

Tomorrow, we'll see.
I've been getting a lot of questions about Julia.

Julia is great, but I'm more bullish on JavaScript becoming big on Machine Learning than on Julia.

The reason is the flexibility of the language. Learning one language that you can use everywhere is incredibly powerful!

β€’ β€’ β€’

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More from @svpino

23 May
The best advice I've ever gotten:

"Nobody remembers who came in second place."

I played a lot of sports. I was taught that winning is the only thing that matters. Participation trophies weren't a thing back then.

That's how I'm wired.

↓
Many people prefer to approach their careers with a different, less competitive mentality.

I respect that. I just prefer a different approach.

Complacency is something that terrifies me, and I've found that healthy competition keeps me away from it.

↓
"Never compare yourself to others." ← This may be good advice, but it doesn't work for me.

I've tried to use yesterday's version of myself to try and improve every day. But this is not enough, too little, and not fun.

↓
Read 4 tweets
22 May
I'll blow your mind with a technique you aren't using yet.

Sometimes, you want your system to do exactly the opposite of what your machine learning model thinks you should do.

Let me convince you. ↓
I'm going to start with a nice problem:

Imagine a model that looks at a picture of an electrical transformer and predicts whether it's about to break or not.

Don't worry about how the model does this. We are going to focus on the results instead.
There are 4 possible results for this model:

1. It predicts a bad unit as bad.
2. It predicts a bad unit as good.
3. It predicts a good unit as bad.
4. It predicts a good unit as good.

#2 and #3 are the mistakes the model makes.
Read 21 tweets
20 May
Machine learning is not what you think.

Here are five levels of automation:

β€’ L0. Human-only
β€’ L1. Shadow mode
β€’ L2. AI-Assisted
β€’ L3. Partial automation
β€’ L4. Full automation

Everyone thinks L4, but that's not necessarily the end game.

Let's break these down. ↓
β€’ L0. Human-only

Obviously, there's no automation at this level. Human makes all the decisions, so this is a manual process.

This is usually the initial state of any system right before we start automating it.
β€’ L1. Shadow mode

As we introduce AI, a useful step is to deploy it parallel to the existing manual process.

We route requests to both the person and the system and get answers from both.

At this level, the AI system is not involved in any decisions.
Read 9 tweets
19 May
Wanna get into Machine Learning but don't know where to start?

Join the other 1,400 people that have watched my course. It's gotten well over 100 5-star reviews!

$5 for the next 24 hours only!

Your full money back if you don't like it.

gum.co/kBjbC/five
If you want to support my content but don't have the money or don't need the course, a retweet/like of the original tweet goes a long way!

If you can't afford the course, comment under the original tweet, and I'll send you a link to a free copy.

Thanks for the support!
18 more hours until the price goes back to normal.
Read 5 tweets
18 May
A surprising situation.

A machine learning model predicting 3 classes ends up with these results:

β€’ Class A: 90% accuracy
β€’ Class B: 80% accuracy
β€’ Class C: 70% accuracy

Class C seems to be the worst-performing.

But you know already that I'll say it isn't. ↓
Here is the correct answer: We don't know yet which class is the worst.

This is important to understand, so keep reading.

Many people make this same mistake every day and try to fix things that ain't broken.

We are missing something, so let's go and get it.
How about if we ask a friend to look at the dataset manually?

Let's say these are the results of our friend doing the job:

β€’ Class A: 95% accuracy
β€’ Class B: 100% accuracy
β€’ Class C: 71% accuracy

Do you see what just happened?
Read 6 tweets
10 May
A 6-step process that completely changed my life:

β€’ Maximize what you don't learn
β€’ Avoid schedules
β€’ Use uncomfortable situations
β€’ Learn as a byproduct
β€’ Teach somebody else
β€’ Circle back in a month

On how to learn efficiently and get ahead in life: ↓
Everything starts with maximizing the things I don't learn.

If I spend time on things that don't bring me value, I can't focus on what really matters to me.

By default, everything around me is noise until it's impossible to ignore.
If I don't see the value right away, I'll ignore it. Important things will make their way back to me.

Ignoring the noise makes space for what truly matters.
Read 15 tweets

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