Matt Dancho (Business Science) Profile picture
May 31 12 tweets 3 min read Twitter logo Read on Twitter
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.
💡Data Science Interview Tip:

Ask yourself how I can help the company with these findings?

Summarize it into a report or web app.

And put THAT in your portfolio.
2: Build Relationships

Companies are run by people. And every person has needs.

If you can lend a helping hand, then go for it.
💡Data Science Interview Tip:

Pick 3 focused target positions.

And focus on how you can help them accomplish their goals with your skills.

Give them a short slide deck during your interview.
3. Operationalize

It’s not sufficient to make analyses and reports.

In fact, if that’s all you can do, then I wouldn’t hire you.

You need to be able to operationalize.

This means taking your analysis and making something that the business can use.
💡Data Science Interview Tip:

Make web applications your portfolio.

Don’t show code.

Show web apps that do the thing the company needs based on your analysis.

That’s your pitch. Your value add.
If you want a full guide on what you are up against...

I wrote a 155 page e-book that explains the 7 chapters on what I and many others have done to succeed in data science.

Table of Contents:
- Introduction (The Way Of The Business Scientist)

- Chapter 1: The 14 Data Science Skills

- Chapter 2: The Business Science Problem Framework

- Chapter 3: The Career Path for a Data Scientist
- Chapter 4: How To Become A Financial Data Scientist (Case Study)

- Chapter 5: Why I picked R over Python for Data Science

- Chapter 6: Anatomy of a Data Science Team

- Chapter 7: The Data Science Workflow Framework
What's your next step?

👉Pick up your copy of my E-Book here: learn.business-science.io/if-i-had-to-le… 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
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).
Read 9 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 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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