It took me 5-years to feel confident in data science.

True story.🧵

#datascience #rstats Image
This is coming from a person that has created two R packages that combine for 1.5 Million downloads.

Has trained elite data scientists at Apple, Walmart, Google.

And has built a career teaching students how to become data scientists.

Why did it take so long?
👉 Too many resources.

I thought I had to learn everything:

Deep learning.
Machine learning.
Algorithms.

The toughest part was figuring out which tools to learn and which were “red herrings” (a waste of time).
This cost me years going back and forth between R and Python...

Listening to too many people saying what they thought I needed to learn

(and finding out they’ve never actually done half the things they are telling me to do).
👉 Learning from bootcamps.

I learned a ton of skills but I never used 90%.

Worse, I didn’t know which 10% was actually useful.

Plus they didn’t teach some of the things that are absolutely critical.
I remember after my first bootcamp I struggled making a random forest because I didn’t know how work with features and format them right.

This left me confused and unconfident.

Set me back months.
👉 Researching topics too in depth before getting started.

I love learning, but there is a trade off with trying to master before applying.

Masters become masters by making lots of mistakes and learning.

Not reading about topics for weeks before applying.
I’ve since consolidated my learnings into 10 secrets that I wished I knew going into data science.

These are the 10 most valuable tools I’ve learned over my journey.
What's Your Next Step?

I have made a short 40-minute presentation on how to become a data scientist.

And remember, I’ve been there. We all start at the same spot.

👉Watch Here: learn.business-science.io/free-rtrack-ma… Image

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More from @mdancho84

Jun 1
I've been experimenting with #chatgpt for #datascience for 16 weeks.

And I now have a process I'm happy with.

Here are the details. 🧵

#datascience #rstats Image
Using ChatGPT for data science has been a MASSIVE learning curve.

I began using it for complex workflows.

And I FAILED miserably.
Case in point- My first try was asking it to build me a machine learning model + a shiny app for scoring customers.

FAIL.

My ask was just too complex.
Read 8 tweets
May 31
There are over 2,000 AI tools that have hit the market over the last 365 days.

So I condensed them into the best.

Here are the TOP 15 AI TOOLS for Data Scientists. 🧵

#datascience #rstats #python #career #ai Image
It's hard not to get excited about #AI. The potential is insane. It's also scary.

And the worst thing you can do for your career is ignore AI.

I mean, there are literally 2,000 new tools that have hit the market in 365 days. So where do you start?

I want to help.
Here are the 15 AI tools that, as a data scientist, MUST be on your radar (I'm road-testing ALL of these).

CODE:

1. ChatGPT: OpenAI's AI Chatbot openai.com/blog/chatgpt
Read 19 tweets
May 31
3 battle-tested skills that every data scientist should have.

(and how to apply them to a job interview)🧵

#datascience #skills #rstats #python Image
People don’t realize this but I was a data science consultant and corporate trainer...

That was long before I was a “teacher” and a “6-figure data science mentor”.

That’s where I learned these skills through battle-testing.

And my clients were my test subjects. 🧪🧑‍🔬
1. Focus on results

Outcomes are what moves mountains. Not analysis.

Yes- data analysis is incredibly important.

But, what’s more important is what you and your company do with the analysis.
Read 12 tweets
May 28
“Why python vs R?”

“What’s inside your new python course?”

“What will it do for me (if I’m an #R user)?”

I’ve been getting a ton of questions so I figured Twitter can help me explain.

#python #rstats #datascience Image
1. R vs Python.

My guess is 90% of my followers use R.

So why am I promoting python?

Well I just wrote a full article on why R users should learn **some** Python…

Even if python is harder.

business-science.io/code-tools/202…
2. What’s inside my new python course?

I just put together a 5 minute video that shows one powerful use case for python.

And it’s the course project.

Read 4 tweets
May 27
I'm super proud and excited to announce that my brand new #Python for #MachineLearning & APIs course IS LIVE!

And if you're curious here's what you should know... Image
On our live webinar on Thursday, 152 people made the jump! Our previous best was 75 on the day of the launch...

So we more than doubled our previous best.

And 100 people picked it up in the first 2 minutes of the announcement. 🤯
But it's not about me or my records...

It's about you. And your careers.

Thank you to those who committed!

I can't wait to see how your careers grow.
Read 4 tweets
May 26
ChatGPT just made a Data Science Web App for me in under 15 minutes.

Here's the story. 🧵

#datascience #rstats Image
1. Machine Learning

ChatGPT created the basic code for an XGBoost Machine Learning model

The model is used for scoring the customer spend
2. Shiny App

ChatGPT produced the code for a basic shiny app that packages the model...

...And the app can make new spend predictions based on tweaking inputs for a new customer.
Read 11 tweets

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