How I lost my first $8 Billion Dollar Client.

Edition 2 of the business scientist newsletter drops tomorrow.

Inside You're Going to Learn: 🧵

#datascience #consulting #business
1. How I screwed up BIG TIME in my first Fortune 500 consulting project

(And how to correct it so you virtually eliminate the risk on data science projects)
2. What not to do in a meeting with executives

(you'll love this)
3. The secret framework I use to make 90% of clients happy

(AND it raised my rates $$$ as a data science consultant).
BONUS: 3 Career Tips:

1. How you can get a data science job with this information

+2 more tips
What's the next step?

Subscribe to The Business Scientist Newsletter.

(And gain early access to this edition)

Subscribe here: learn.business-science.io/the-business-s…

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More from @mdancho84

Apr 2
People are shocked when they learn that I picked #R over #Python.

It’s a true story. 🧵

#datascience #rstats Image
I began learning data science with Python.

This decision actually cost me 3 months and caused me to quit data science for a little bit.

Why?
Python was too much like coding. And I came from a business background.

My main tool was Excel.

Python was unnatural.
Read 11 tweets
Apr 1
Novice vs Pro ChatGPT...

A full "data science"-y demo.

#datascience #python #rstats #chatgpt Image
There's a difference in the way an expert and a beginner data scientist ask questions.

And this directly impacts the usefulness of ChatGPT.

Let me explain.
This demo showcases how my marketing guy (who dabbles in data science) asks chatgpt to develop code for a simple monthly expenses program...

...And then me, the guy with 10+ years of experience building software and doing data science.
Read 20 tweets
Mar 31
This is a game-changer:

ChatGPT just made this #r #shiny app for me in under 15 minutes... 🧵

#rstats #datascience
I asked chatgpt a simple question...
And here's what ChatGPT did:

1. It created the basic code for an XGBoost Machine Learning model for scoring the customer spend

(Note: I had to ask it to replace random forest with xgboost and caret with #tidymodels)
Read 11 tweets
Mar 31
A big mistake I see data scientists making:

Learning tools they never use. (I'm 100% guilty of this)

And here’s how to fix it. 🧵

#datascience
A classic case of learning everything is mean, median and mode

Data scientist learn how to use all 3 of these.

Median and mean I use almost every day.

But I can count on one hand how often I have used mode.
The same applies machine learning, data wrangling, visualization.

There’s 1000s of things you could learn.

But what should you spend your time learning?
Read 7 tweets
Mar 30
Here's a shortlist of AI tools to help data scientists with... 🧵

#datascience #rstats #python
1. Writing Code & AI pair programming

- ChatGPT
- Github Copilot
- OpenAI Codex
2. Bugs, Security & Docs

- Snyke Deepcode
- Mintlify
Read 6 tweets
Mar 29
Did you know that 90% of companies are NOT using customer network detection, and it could make you insanely valuable? 🧵

#rstats Image
With #R, you can:

1. Identify the most influential customers in their network,

2. Craft messages to those leaders, and

3. Send those messages to their closest connections.
Imagine the impact this could have on your sales, customer satisfaction, and career advancement.

You could be the one to make your company millions of dollars and put yourself in a leading position for your next role.
Read 5 tweets

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