Matt Dancho (Business Science) Profile picture
Apr 2 11 tweets 3 min read Twitter logo Read on Twitter
People are shocked when they learn that I picked #R over #Python.

It’s a true story. 🧵

#datascience #rstats
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.
A friend of mine recommended me to try R.

I was instantly surprised at how much more intuitive it was for me given my Excel background:
👉R has functions just like Excel.

I could quickly summarize my data using mean(), sd(), sum(), and friends.

These functions were very similar to AVERAGE(), STDEV(), and SUM() from Excel.
👉R has analytics built-in.

I could do correlation and make trendlines with linear regression very easily.
👉R had the tidyverse.

The tidyverse blew my mind. 🤯

This toolkit includes data wrangling and visualization libraries that effortlessly worked together.
👉 R had the pipe!

If you’ve never tried it, the pipe %>% is this amazing operation that allows you to flow your data transformations from one operation to another.
👉R has reporting!

I was able to make a simple PDF report in minutes versus struggling with Jupyter.
So I ended up picking R and to this day I’m so happy I did.

If you’re like me, coming from a business background, using:

1. Excel,
2. Tableau, or
3. PowerBI daily

Then R will feel like those tools on STEROIDS! (seriously)
Want more information on how to become a data scientist with R?

I’ve 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.

Watch for Free Here: buff.ly/3JfcMYl

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More from @mdancho84

Apr 1
Novice vs Pro ChatGPT...

A full "data science"-y demo.

#datascience #python #rstats #chatgpt
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
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)
Read 6 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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