Dave Langer
@daveondata.bsky.social
I help you build the skills
To unleash the power of AI
Technologies like Copilot in Excel
👇
https://daveondata.com/newsletter
To unleash the power of AI
Technologies like Copilot in Excel
👇
https://daveondata.com/newsletter
Is your company rolling out Copilot in Excel?
Here's the mistake your executives are probably making:
To make the most out of AI in Microsoft Excel, you need to know 2 things:
1 - Python
2 - DIY data science
Copilot in Excel relies heavily on Python.
👇
Here's the mistake your executives are probably making:
To make the most out of AI in Microsoft Excel, you need to know 2 things:
1 - Python
2 - DIY data science
Copilot in Excel relies heavily on Python.
👇
April 26, 2025 at 3:56 PM
Is your company rolling out Copilot in Excel?
Here's the mistake your executives are probably making:
To make the most out of AI in Microsoft Excel, you need to know 2 things:
1 - Python
2 - DIY data science
Copilot in Excel relies heavily on Python.
👇
Here's the mistake your executives are probably making:
To make the most out of AI in Microsoft Excel, you need to know 2 things:
1 - Python
2 - DIY data science
Copilot in Excel relies heavily on Python.
👇
Imagine you've got a simple PivotTable in the image below.
The PivotTable is created from the ResellerSales table
in your Excel workbook.
👇
The PivotTable is created from the ResellerSales table
in your Excel workbook.
👇
April 3, 2025 at 4:40 PM
Imagine you've got a simple PivotTable in the image below.
The PivotTable is created from the ResellerSales table
in your Excel workbook.
👇
The PivotTable is created from the ResellerSales table
in your Excel workbook.
👇
Are you interested in data science?
Here's why my newsletter is different.
👇
Here's why my newsletter is different.
👇
March 6, 2025 at 11:22 PM
Are you interested in data science?
Here's why my newsletter is different.
👇
Here's why my newsletter is different.
👇
I don't expect you to believe me, so check out what these professionals have to say.
BTW - If you're ready, I want to teach you Python for free.
👇
BTW - If you're ready, I want to teach you Python for free.
👇
March 6, 2025 at 3:47 PM
I don't expect you to believe me, so check out what these professionals have to say.
BTW - If you're ready, I want to teach you Python for free.
👇
BTW - If you're ready, I want to teach you Python for free.
👇
Interested in data science?
Here's why my newsletter is different.
👇
Here's why my newsletter is different.
👇
March 4, 2025 at 12:50 AM
Interested in data science?
Here's why my newsletter is different.
👇
Here's why my newsletter is different.
👇
That's a wrap!
It's been a privilege to spend the last 3 days at TDWI Las Vegas teaching hands-on machine learning skills.
Many thanks to the professionals who attended my courses for the opportunity.
I can't wait for TDWI San Diego this August!
It's been a privilege to spend the last 3 days at TDWI Las Vegas teaching hands-on machine learning skills.
Many thanks to the professionals who attended my courses for the opportunity.
I can't wait for TDWI San Diego this August!
March 1, 2025 at 1:03 AM
That's a wrap!
It's been a privilege to spend the last 3 days at TDWI Las Vegas teaching hands-on machine learning skills.
Many thanks to the professionals who attended my courses for the opportunity.
I can't wait for TDWI San Diego this August!
It's been a privilege to spend the last 3 days at TDWI Las Vegas teaching hands-on machine learning skills.
Many thanks to the professionals who attended my courses for the opportunity.
I can't wait for TDWI San Diego this August!
Are you skeptical that learning SQL is easy?
Don't take it from me, here's some feedback.
Don't take it from me, here's some feedback.
February 26, 2025 at 3:29 PM
Are you skeptical that learning SQL is easy?
Don't take it from me, here's some feedback.
Don't take it from me, here's some feedback.
Woohoo! I'm on my way to TDWI Las Vegas!
It's a privelege to teach 3 days of hands-on machine learning skills to professionals from all over the world.
It's a privelege to teach 3 days of hands-on machine learning skills to professionals from all over the world.
February 25, 2025 at 7:32 PM
Woohoo! I'm on my way to TDWI Las Vegas!
It's a privelege to teach 3 days of hands-on machine learning skills to professionals from all over the world.
It's a privelege to teach 3 days of hands-on machine learning skills to professionals from all over the world.
Is it OK if I brag a little bit?
Feedback inspires me to keep working.
I'm on a mission to empower professionals with DIY data science skills.
If you're ready, I want to help you.
👇
Feedback inspires me to keep working.
I'm on a mission to empower professionals with DIY data science skills.
If you're ready, I want to help you.
👇
February 24, 2025 at 3:57 PM
Is it OK if I brag a little bit?
Feedback inspires me to keep working.
I'm on a mission to empower professionals with DIY data science skills.
If you're ready, I want to help you.
👇
Feedback inspires me to keep working.
I'm on a mission to empower professionals with DIY data science skills.
If you're ready, I want to help you.
👇
6,975 professionals are learning DIY data science skills with my free crash courses:
SQL
Python
Logistic regression
K-means cluster analysis
Decision tree machine learning
You've got this if you want it: daveondata.com/newsletter
SQL
Python
Logistic regression
K-means cluster analysis
Decision tree machine learning
You've got this if you want it: daveondata.com/newsletter
February 15, 2025 at 3:45 PM
6,975 professionals are learning DIY data science skills with my free crash courses:
SQL
Python
Logistic regression
K-means cluster analysis
Decision tree machine learning
You've got this if you want it: daveondata.com/newsletter
SQL
Python
Logistic regression
K-means cluster analysis
Decision tree machine learning
You've got this if you want it: daveondata.com/newsletter
7) Python in Excel
If you're serious about upping your data analysis game, you gotta check out Python in Excel.
It's your gateway to DIY data science.
New to coding?
Don't worry, I've got you covered with my free crash course: daveondata.com/newsletter
If you're serious about upping your data analysis game, you gotta check out Python in Excel.
It's your gateway to DIY data science.
New to coding?
Don't worry, I've got you covered with my free crash course: daveondata.com/newsletter
February 5, 2025 at 3:45 PM
7) Python in Excel
If you're serious about upping your data analysis game, you gotta check out Python in Excel.
It's your gateway to DIY data science.
New to coding?
Don't worry, I've got you covered with my free crash course: daveondata.com/newsletter
If you're serious about upping your data analysis game, you gotta check out Python in Excel.
It's your gateway to DIY data science.
New to coding?
Don't worry, I've got you covered with my free crash course: daveondata.com/newsletter
I want to help you build DIY data science skills.
Even if you've never programmed before.
With my free 7-hour Python Crash Course.
👇
Even if you've never programmed before.
With my free 7-hour Python Crash Course.
👇
February 2, 2025 at 10:40 PM
I want to help you build DIY data science skills.
Even if you've never programmed before.
With my free 7-hour Python Crash Course.
👇
Even if you've never programmed before.
With my free 7-hour Python Crash Course.
👇
This is Dr. Leo Breiman.
He was a statistician who worked on bridging the gap between traditional statistics and machine learning.
Dr. Breiman is also a hero to DIY data scientists everywhere.
Here are 4 reasons why:
He was a statistician who worked on bridging the gap between traditional statistics and machine learning.
Dr. Breiman is also a hero to DIY data scientists everywhere.
Here are 4 reasons why:
January 31, 2025 at 3:40 PM
This is Dr. Leo Breiman.
He was a statistician who worked on bridging the gap between traditional statistics and machine learning.
Dr. Breiman is also a hero to DIY data scientists everywhere.
Here are 4 reasons why:
He was a statistician who worked on bridging the gap between traditional statistics and machine learning.
Dr. Breiman is also a hero to DIY data scientists everywhere.
Here are 4 reasons why:
This book was published in 2014.
It's a great book, but it's obsolete in 2025.
Here's an example.
This book will teach you to hand-roll logistic regression using worksheet templates and Solver.
In 2025, we have statsmodels with Python in Excel.
It's a great book, but it's obsolete in 2025.
Here's an example.
This book will teach you to hand-roll logistic regression using worksheet templates and Solver.
In 2025, we have statsmodels with Python in Excel.
January 23, 2025 at 3:06 PM
This book was published in 2014.
It's a great book, but it's obsolete in 2025.
Here's an example.
This book will teach you to hand-roll logistic regression using worksheet templates and Solver.
In 2025, we have statsmodels with Python in Excel.
It's a great book, but it's obsolete in 2025.
Here's an example.
This book will teach you to hand-roll logistic regression using worksheet templates and Solver.
In 2025, we have statsmodels with Python in Excel.
Plotnine uses an intuitive coding style that allows you to visualize your data quickly.
Plotnine also excels at making visualizations with multiple columns using facets.
Faceted visualizations are key for analyzing your data and engineering features for ML models.
Oh, and I should mention this.
👇
Plotnine also excels at making visualizations with multiple columns using facets.
Faceted visualizations are key for analyzing your data and engineering features for ML models.
Oh, and I should mention this.
👇
January 20, 2025 at 6:39 PM
Plotnine uses an intuitive coding style that allows you to visualize your data quickly.
Plotnine also excels at making visualizations with multiple columns using facets.
Faceted visualizations are key for analyzing your data and engineering features for ML models.
Oh, and I should mention this.
👇
Plotnine also excels at making visualizations with multiple columns using facets.
Faceted visualizations are key for analyzing your data and engineering features for ML models.
Oh, and I should mention this.
👇
If you're ready, join 6,175 DIY data scientists who are learning Python and receiving weekly machine learning tutorials:
daveondata.com/newsletter
daveondata.com/newsletter
January 18, 2025 at 7:18 PM
If you're ready, join 6,175 DIY data scientists who are learning Python and receiving weekly machine learning tutorials:
daveondata.com/newsletter
daveondata.com/newsletter
If you're ready, join 6,175 DIY data scientists who receive weekly machine learning tutorials.
New to Python? I'll teach you for free:
daveondata.com/newsletter
New to Python? I'll teach you for free:
daveondata.com/newsletter
January 17, 2025 at 10:32 PM
If you're ready, join 6,175 DIY data scientists who receive weekly machine learning tutorials.
New to Python? I'll teach you for free:
daveondata.com/newsletter
New to Python? I'll teach you for free:
daveondata.com/newsletter
Can I brag just a wee bit?
Getting feedback like this makes my day! 😁
Getting feedback like this makes my day! 😁
January 15, 2025 at 6:45 PM
Can I brag just a wee bit?
Getting feedback like this makes my day! 😁
Getting feedback like this makes my day! 😁
The image below is from my free 7-hour Python Crash Course.
If you're ready, join 6,065 DIY data scientists:
Who are learning Python
Receiving weekly machine learning tutorials:
daveondata.com/newsletter
If you're ready, join 6,065 DIY data scientists:
Who are learning Python
Receiving weekly machine learning tutorials:
daveondata.com/newsletter
January 14, 2025 at 6:54 PM
The image below is from my free 7-hour Python Crash Course.
If you're ready, join 6,065 DIY data scientists:
Who are learning Python
Receiving weekly machine learning tutorials:
daveondata.com/newsletter
If you're ready, join 6,065 DIY data scientists:
Who are learning Python
Receiving weekly machine learning tutorials:
daveondata.com/newsletter
My Python Crash Course is designed for any professional.
Everything you need is included.
You've got this if you want it.
daveondata.com/newsletter
Everything you need is included.
You've got this if you want it.
daveondata.com/newsletter
January 4, 2025 at 5:38 PM
My Python Crash Course is designed for any professional.
Everything you need is included.
You've got this if you want it.
daveondata.com/newsletter
Everything you need is included.
You've got this if you want it.
daveondata.com/newsletter
Imagine you've got a simple PivotTable in the image below.
The PivotTable is created from the ResellerSales table in your workbook.
👇
The PivotTable is created from the ResellerSales table in your workbook.
👇
January 1, 2025 at 8:52 PM
Imagine you've got a simple PivotTable in the image below.
The PivotTable is created from the ResellerSales table in your workbook.
👇
The PivotTable is created from the ResellerSales table in your workbook.
👇
My free YouTube tutorial series uses your Excel knowledge and maps it to SQL.
This radically reduces the SQL learning curve.
Don't believe me?
Check out the comments:
bit.ly/IntroToSQLFo...
This radically reduces the SQL learning curve.
Don't believe me?
Check out the comments:
bit.ly/IntroToSQLFo...
December 29, 2024 at 3:07 PM
My free YouTube tutorial series uses your Excel knowledge and maps it to SQL.
This radically reduces the SQL learning curve.
Don't believe me?
Check out the comments:
bit.ly/IntroToSQLFo...
This radically reduces the SQL learning curve.
Don't believe me?
Check out the comments:
bit.ly/IntroToSQLFo...
I've got you covered with my free 7-hour Python Crash Course.
It's designed for professionals with no coding experience and will teach you the subset of Python you need for analytics and data science.
Get started here:
www.daveondata.com/free-python-...
It's designed for professionals with no coding experience and will teach you the subset of Python you need for analytics and data science.
Get started here:
www.daveondata.com/free-python-...
December 27, 2024 at 8:49 PM
I've got you covered with my free 7-hour Python Crash Course.
It's designed for professionals with no coding experience and will teach you the subset of Python you need for analytics and data science.
Get started here:
www.daveondata.com/free-python-...
It's designed for professionals with no coding experience and will teach you the subset of Python you need for analytics and data science.
Get started here:
www.daveondata.com/free-python-...
BTW - Don't take my word for it!
December 26, 2024 at 8:31 PM
BTW - Don't take my word for it!
