Jimmy Xu
@webdata.bsky.social
📹youtube.com/@webdatax; 🔮https://github.com/utjimmyx
#Trading #StockTrading #DataCrawling #SEO, certified R (#rstats) professional, 🐍#Python enthusiast // Help You Explain Data Analytics to Your Grandma
#Trading #StockTrading #DataCrawling #SEO, certified R (#rstats) professional, 🐍#Python enthusiast // Help You Explain Data Analytics to Your Grandma
Key takeaways and solutions:
💡Real world business problems are complex;
💡It takes years of hands-on practice to become a skilled #DataAnalyst;
💡Stay positive—embrace failure as a learning opportunity and keep refining your strategies.
t.co/0R0LbaGpLw
💡Real world business problems are complex;
💡It takes years of hands-on practice to become a skilled #DataAnalyst;
💡Stay positive—embrace failure as a learning opportunity and keep refining your strategies.
t.co/0R0LbaGpLw
October 21, 2025 at 6:53 PM
Key takeaways and solutions:
💡Real world business problems are complex;
💡It takes years of hands-on practice to become a skilled #DataAnalyst;
💡Stay positive—embrace failure as a learning opportunity and keep refining your strategies.
t.co/0R0LbaGpLw
💡Real world business problems are complex;
💡It takes years of hands-on practice to become a skilled #DataAnalyst;
💡Stay positive—embrace failure as a learning opportunity and keep refining your strategies.
t.co/0R0LbaGpLw
The following thread at #Reddit hits me in the heart:
1️⃣ A #DataEngineer posted about feeling like a failure—constantly confused, no guidance, unrealistic deadlines.
2️⃣ They miss using their #coding skills and feel stuck between business tasks and tech work.
www.reddit.com/r/dataengine...
1️⃣ A #DataEngineer posted about feeling like a failure—constantly confused, no guidance, unrealistic deadlines.
2️⃣ They miss using their #coding skills and feel stuck between business tasks and tech work.
www.reddit.com/r/dataengine...
From the dataengineering community on Reddit
Explore this post and more from the dataengineering community
www.reddit.com
October 21, 2025 at 6:53 PM
The following thread at #Reddit hits me in the heart:
1️⃣ A #DataEngineer posted about feeling like a failure—constantly confused, no guidance, unrealistic deadlines.
2️⃣ They miss using their #coding skills and feel stuck between business tasks and tech work.
www.reddit.com/r/dataengine...
1️⃣ A #DataEngineer posted about feeling like a failure—constantly confused, no guidance, unrealistic deadlines.
2️⃣ They miss using their #coding skills and feel stuck between business tasks and tech work.
www.reddit.com/r/dataengine...
The Road Less Traveled...
Sometimes, we tend to follow conventional wisdom and ignore the fact that change is a part of life.
This #DataViz shows that having a top-aligned axis might be a good practice as labels and highlights are more likely to be in the reader's field of view.
Sometimes, we tend to follow conventional wisdom and ignore the fact that change is a part of life.
This #DataViz shows that having a top-aligned axis might be a good practice as labels and highlights are more likely to be in the reader's field of view.
October 14, 2025 at 6:21 PM
The Road Less Traveled...
Sometimes, we tend to follow conventional wisdom and ignore the fact that change is a part of life.
This #DataViz shows that having a top-aligned axis might be a good practice as labels and highlights are more likely to be in the reader's field of view.
Sometimes, we tend to follow conventional wisdom and ignore the fact that change is a part of life.
This #DataViz shows that having a top-aligned axis might be a good practice as labels and highlights are more likely to be in the reader's field of view.
The magic happens in the overlaps:
✨ #Programming & #BigData connects engineers and analysts
✨ Analysis & Hypothesis Development/Testing drives model development and decision-making
✨ #Storytelling & #Visualization brings insights to life!
✨ #Programming & #BigData connects engineers and analysts
✨ Analysis & Hypothesis Development/Testing drives model development and decision-making
✨ #Storytelling & #Visualization brings insights to life!
🔄 #DataAnalytics is a Team Sport. This image by
@DataScienceDojo shows it perfectly!
🔧 Data Engineers build pipelines and APIs.
🧪 Data Scientists analyze patterns and build models.
💼 Managers bridge the gap with critical thinking and ensure business decisions align with goals.
@DataScienceDojo shows it perfectly!
🔧 Data Engineers build pipelines and APIs.
🧪 Data Scientists analyze patterns and build models.
💼 Managers bridge the gap with critical thinking and ensure business decisions align with goals.
October 14, 2025 at 3:50 PM
The magic happens in the overlaps:
✨ #Programming & #BigData connects engineers and analysts
✨ Analysis & Hypothesis Development/Testing drives model development and decision-making
✨ #Storytelling & #Visualization brings insights to life!
✨ #Programming & #BigData connects engineers and analysts
✨ Analysis & Hypothesis Development/Testing drives model development and decision-making
✨ #Storytelling & #Visualization brings insights to life!
🔄 #DataAnalytics is a Team Sport. This image by
@DataScienceDojo shows it perfectly!
🔧 Data Engineers build pipelines and APIs.
🧪 Data Scientists analyze patterns and build models.
💼 Managers bridge the gap with critical thinking and ensure business decisions align with goals.
@DataScienceDojo shows it perfectly!
🔧 Data Engineers build pipelines and APIs.
🧪 Data Scientists analyze patterns and build models.
💼 Managers bridge the gap with critical thinking and ensure business decisions align with goals.
October 14, 2025 at 3:49 PM
🔄 #DataAnalytics is a Team Sport. This image by
@DataScienceDojo shows it perfectly!
🔧 Data Engineers build pipelines and APIs.
🧪 Data Scientists analyze patterns and build models.
💼 Managers bridge the gap with critical thinking and ensure business decisions align with goals.
@DataScienceDojo shows it perfectly!
🔧 Data Engineers build pipelines and APIs.
🧪 Data Scientists analyze patterns and build models.
💼 Managers bridge the gap with critical thinking and ensure business decisions align with goals.
In a recent post "Skills vs. AI skills" ( "https://towardsdatascience.com/skills-vs-ai-skills/), Dr. Tosic shared tips on using #AI:
🧠Experiment with multiple AI models.
🧠Understand AI failures and how to evaluate outputs.
🧠Use low-code or no-code platforms to create, not just consume, AI products.
🧠Experiment with multiple AI models.
🧠Understand AI failures and how to evaluate outputs.
🧠Use low-code or no-code platforms to create, not just consume, AI products.
October 6, 2025 at 5:24 PM
In a recent post "Skills vs. AI skills" ( "https://towardsdatascience.com/skills-vs-ai-skills/), Dr. Tosic shared tips on using #AI:
🧠Experiment with multiple AI models.
🧠Understand AI failures and how to evaluate outputs.
🧠Use low-code or no-code platforms to create, not just consume, AI products.
🧠Experiment with multiple AI models.
🧠Understand AI failures and how to evaluate outputs.
🧠Use low-code or no-code platforms to create, not just consume, AI products.
In three months, Jessie Mahr led the nation’s most coordinated effort to archive federal datasets and rebuild data tools that communities, companies, agencies and investors rely on to inform decisions involving weather, water quality, disasters, air pollution, and climate change.
trib.al/NKRwdhs
trib.al/NKRwdhs
Inside The Effort To Save Hundreds Of Environmental Datasets Purged Under Trump
Jessie Mahr led a team that restored critical climate data removed from public access under the Trump administration. Now, she’s pioneering a wider effort to fill data gaps in federal policy.
trib.al
September 22, 2025 at 12:06 AM
In three months, Jessie Mahr led the nation’s most coordinated effort to archive federal datasets and rebuild data tools that communities, companies, agencies and investors rely on to inform decisions involving weather, water quality, disasters, air pollution, and climate change.
trib.al/NKRwdhs
trib.al/NKRwdhs
Just read this from an influencer I follow on LinkedIn: Deep domain expertise plus alien-level technical skills equals lots of interesting and rewarding work to do.
Do you agree?
Do you agree?
September 4, 2025 at 6:22 AM
Just read this from an influencer I follow on LinkedIn: Deep domain expertise plus alien-level technical skills equals lots of interesting and rewarding work to do.
Do you agree?
Do you agree?
✔️ Creating high-quality, customizable visualizations with ggplot2, plotly, etc
✔️ Spatial analysis using sf, tmap, and leaflet
✔️ Automating reports & workflows with rmarkdown and GitHub Actions
✔️ Extending workflows with #AI tools like GitHub Copilot, chatgpt, or OpenAI APIs
✔️ Spatial analysis using sf, tmap, and leaflet
✔️ Automating reports & workflows with rmarkdown and GitHub Actions
✔️ Extending workflows with #AI tools like GitHub Copilot, chatgpt, or OpenAI APIs
People think R is just for stats. But it also shines in many areas:
✔️ Pulling and cleaning data from Google Sheets (googlesheets4), Qualtrics surveys (qualtRics), Census Bureau APIs (tidycensus), and transforming with dplyr + tidyr;
The #Rstats Ecosystem, @nonfamous.bsky.social, 2017
✔️ Pulling and cleaning data from Google Sheets (googlesheets4), Qualtrics surveys (qualtRics), Census Bureau APIs (tidycensus), and transforming with dplyr + tidyr;
The #Rstats Ecosystem, @nonfamous.bsky.social, 2017
August 28, 2025 at 10:18 PM
✔️ Creating high-quality, customizable visualizations with ggplot2, plotly, etc
✔️ Spatial analysis using sf, tmap, and leaflet
✔️ Automating reports & workflows with rmarkdown and GitHub Actions
✔️ Extending workflows with #AI tools like GitHub Copilot, chatgpt, or OpenAI APIs
✔️ Spatial analysis using sf, tmap, and leaflet
✔️ Automating reports & workflows with rmarkdown and GitHub Actions
✔️ Extending workflows with #AI tools like GitHub Copilot, chatgpt, or OpenAI APIs
People think R is just for stats. But it also shines in many areas:
✔️ Pulling and cleaning data from Google Sheets (googlesheets4), Qualtrics surveys (qualtRics), Census Bureau APIs (tidycensus), and transforming with dplyr + tidyr;
The #Rstats Ecosystem, @nonfamous.bsky.social, 2017
✔️ Pulling and cleaning data from Google Sheets (googlesheets4), Qualtrics surveys (qualtRics), Census Bureau APIs (tidycensus), and transforming with dplyr + tidyr;
The #Rstats Ecosystem, @nonfamous.bsky.social, 2017
August 28, 2025 at 10:18 PM
People think R is just for stats. But it also shines in many areas:
✔️ Pulling and cleaning data from Google Sheets (googlesheets4), Qualtrics surveys (qualtRics), Census Bureau APIs (tidycensus), and transforming with dplyr + tidyr;
The #Rstats Ecosystem, @nonfamous.bsky.social, 2017
✔️ Pulling and cleaning data from Google Sheets (googlesheets4), Qualtrics surveys (qualtRics), Census Bureau APIs (tidycensus), and transforming with dplyr + tidyr;
The #Rstats Ecosystem, @nonfamous.bsky.social, 2017
Deploying tools or KPIs is easy. We often rely on them to simplify the decision-making process. Are managers making good decisions? That is a business question. A tool, #dashboard, or #KPI should not be a substitute for aligning #data and people to work together effectively.
August 25, 2025 at 5:35 PM
Deploying tools or KPIs is easy. We often rely on them to simplify the decision-making process. Are managers making good decisions? That is a business question. A tool, #dashboard, or #KPI should not be a substitute for aligning #data and people to work together effectively.
Arvind Narayanan's new book opening. The analogy of "Vehicle" to "Artificial Intelligence" (#AI) truly captures what we are going through right now.
August 1, 2025 at 4:36 PM
Arvind Narayanan's new book opening. The analogy of "Vehicle" to "Artificial Intelligence" (#AI) truly captures what we are going through right now.
#caret really makes beginner's life way much easier. You can run a random forest model with only one line of syntax.
library(caret)
model <- train(Species ~ ., data = iris, method = "rf")
library(caret)
model <- train(Species ~ ., data = iris, method = "rf")
#PyCrat is very close to the #caret package in R. There is a very good documentation of the #PyCrat package for free at pycaret.gitbook.io/docs. #PyCrat is designed to simplify and automate workflows for building, training, and deploying machine learning models.
PyCaret 3.0 | Docs
An open-source, low-code machine learning library in Python
pycaret.gitbook.io
July 27, 2025 at 3:32 PM
#caret really makes beginner's life way much easier. You can run a random forest model with only one line of syntax.
library(caret)
model <- train(Species ~ ., data = iris, method = "rf")
library(caret)
model <- train(Species ~ ., data = iris, method = "rf")
#PyCrat is very close to the #caret package in R. There is a very good documentation of the #PyCrat package for free at pycaret.gitbook.io/docs. #PyCrat is designed to simplify and automate workflows for building, training, and deploying machine learning models.
PyCaret 3.0 | Docs
An open-source, low-code machine learning library in Python
pycaret.gitbook.io
July 27, 2025 at 3:32 PM
#PyCrat is very close to the #caret package in R. There is a very good documentation of the #PyCrat package for free at pycaret.gitbook.io/docs. #PyCrat is designed to simplify and automate workflows for building, training, and deploying machine learning models.
#AI can be our best companion—if we know the fundamentals—allowing us to stand on the shoulders of #AI and the vast knowledge base built by previous programmers on #GitHub, #StackOverflow, and #StackExchange. #Copilot #GoogleColab
July 20, 2025 at 5:41 PM
#AI can be our best companion—if we know the fundamentals—allowing us to stand on the shoulders of #AI and the vast knowledge base built by previous programmers on #GitHub, #StackOverflow, and #StackExchange. #Copilot #GoogleColab
I was analyzing the 50-day vs. 200-day moving average using #Python when I encountered some errors. I turned to #AI for quick solutions. I could not be more excited about all what is available at my fingertips in mini-seconds. #Copilot #GoogleColab
July 20, 2025 at 5:41 PM
I was analyzing the 50-day vs. 200-day moving average using #Python when I encountered some errors. I turned to #AI for quick solutions. I could not be more excited about all what is available at my fingertips in mini-seconds. #Copilot #GoogleColab
Can @bsky.app verify this? I kept hearing we're entering the 💰 #GoldenAgeofAmerica - am I on an #AlternateReality?
I’m just a humble two-legged mammal trying🥵 to feed a family — with #ZeroInterestInPolitics, no red or blue wines. Just wondering: is there a magic way for surviving this💰 #GoldenAge?
I’m just a humble two-legged mammal trying🥵 to feed a family — with #ZeroInterestInPolitics, no red or blue wines. Just wondering: is there a magic way for surviving this💰 #GoldenAge?
This is the consequences when we chose the wrong
direction.
direction.
July 14, 2025 at 12:06 AM
Can @bsky.app verify this? I kept hearing we're entering the 💰 #GoldenAgeofAmerica - am I on an #AlternateReality?
I’m just a humble two-legged mammal trying🥵 to feed a family — with #ZeroInterestInPolitics, no red or blue wines. Just wondering: is there a magic way for surviving this💰 #GoldenAge?
I’m just a humble two-legged mammal trying🥵 to feed a family — with #ZeroInterestInPolitics, no red or blue wines. Just wondering: is there a magic way for surviving this💰 #GoldenAge?
Can @bsky.app or anyone credible check the story being pushed for publication? Does this happen randomly or regularly?
I’m a #DataNerd who started worrying about food🍕 supplies for my kids this fall. Will my kids have anything to eat when these farmers take an unpaid vacation🏖️? #GoldenAgeofAmerica💰
I’m a #DataNerd who started worrying about food🍕 supplies for my kids this fall. Will my kids have anything to eat when these farmers take an unpaid vacation🏖️? #GoldenAgeofAmerica💰
This is the consequences when we chose the wrong
direction.
direction.
July 14, 2025 at 12:04 AM
Can @bsky.app or anyone credible check the story being pushed for publication? Does this happen randomly or regularly?
I’m a #DataNerd who started worrying about food🍕 supplies for my kids this fall. Will my kids have anything to eat when these farmers take an unpaid vacation🏖️? #GoldenAgeofAmerica💰
I’m a #DataNerd who started worrying about food🍕 supplies for my kids this fall. Will my kids have anything to eat when these farmers take an unpaid vacation🏖️? #GoldenAgeofAmerica💰
I was told we’re entering the💰 #GoldenAgeofAmerica -so I assume imported groceries (funded by #tariffs magically paid by foreigners, of course) will be falling from the sky any minute now?
Should I even bother #shopping? Or just wait outside with a basket and hope for a #sandwich🥪 and #pizza🍕 storm?
Should I even bother #shopping? Or just wait outside with a basket and hope for a #sandwich🥪 and #pizza🍕 storm?
This is the consequences when we chose the wrong
direction.
direction.
July 14, 2025 at 12:00 AM
I was told we’re entering the💰 #GoldenAgeofAmerica -so I assume imported groceries (funded by #tariffs magically paid by foreigners, of course) will be falling from the sky any minute now?
Should I even bother #shopping? Or just wait outside with a basket and hope for a #sandwich🥪 and #pizza🍕 storm?
Should I even bother #shopping? Or just wait outside with a basket and hope for a #sandwich🥪 and #pizza🍕 storm?
I was told we’re entering the💰 #GoldenAgeofAmerica -so I assume imported groceries (funded by #tariffs magically paid by foreigners, of course) will be falling from the sky any minute now?
Should I even bother #shopping? Or just wait outside with a basket and hope for a #sandwich🥪 and #pizza🍕 storm?
Should I even bother #shopping? Or just wait outside with a basket and hope for a #sandwich🥪 and #pizza🍕 storm?
That’s fine. Society doesn’t need *checks notes* food, right?
This is the consequences when we chose the wrong
direction.
direction.
July 13, 2025 at 11:55 PM
I was told we’re entering the💰 #GoldenAgeofAmerica -so I assume imported groceries (funded by #tariffs magically paid by foreigners, of course) will be falling from the sky any minute now?
Should I even bother #shopping? Or just wait outside with a basket and hope for a #sandwich🥪 and #pizza🍕 storm?
Should I even bother #shopping? Or just wait outside with a basket and hope for a #sandwich🥪 and #pizza🍕 storm?
Can @bsky.app verify the story? I kept hearing we're entering the 💰 #GoldenAgeofAmerica - am I on an #AlternateReality?
I’m just a humble two-legged mammal trying to feed a family — with #ZeroInterestInPolitics, no red or blue wines. Just wondering: is there a way for surviving this💰 #GoldenAge?
I’m just a humble two-legged mammal trying to feed a family — with #ZeroInterestInPolitics, no red or blue wines. Just wondering: is there a way for surviving this💰 #GoldenAge?
That’s fine. Society doesn’t need *checks notes* food, right?
This is the consequences when we chose the wrong
direction.
direction.
July 13, 2025 at 11:46 PM
Can @bsky.app verify the story? I kept hearing we're entering the 💰 #GoldenAgeofAmerica - am I on an #AlternateReality?
I’m just a humble two-legged mammal trying to feed a family — with #ZeroInterestInPolitics, no red or blue wines. Just wondering: is there a way for surviving this💰 #GoldenAge?
I’m just a humble two-legged mammal trying to feed a family — with #ZeroInterestInPolitics, no red or blue wines. Just wondering: is there a way for surviving this💰 #GoldenAge?
Can @bsky.app or anyone credible check the story being pushed for publication? Is this happening randomly or regularly?
I’m a #DataNerd who started worrying about food supplies for my family this fall. Will my kids have anything to eat when these farmers take an unpaid vacation? #GoldenAgeofAmerica
I’m a #DataNerd who started worrying about food supplies for my family this fall. Will my kids have anything to eat when these farmers take an unpaid vacation? #GoldenAgeofAmerica
That’s fine. Society doesn’t need *checks notes* food, right?
This is the consequences when we chose the wrong
direction.
direction.
July 13, 2025 at 11:36 PM
Can @bsky.app or anyone credible check the story being pushed for publication? Is this happening randomly or regularly?
I’m a #DataNerd who started worrying about food supplies for my family this fall. Will my kids have anything to eat when these farmers take an unpaid vacation? #GoldenAgeofAmerica
I’m a #DataNerd who started worrying about food supplies for my family this fall. Will my kids have anything to eat when these farmers take an unpaid vacation? #GoldenAgeofAmerica
Your struggle isn’t weakness. It’s proof you’re still in the fight. Don’t give up. The climb is brutal, but the view is worth it. #PositiveEnergy
July 10, 2025 at 6:09 AM
Your struggle isn’t weakness. It’s proof you’re still in the fight. Don’t give up. The climb is brutal, but the view is worth it. #PositiveEnergy
This is awesome! More insights📊 = More wisdom🧠. #FiveThirtyEight was probably a pioneer in this field. There is a dedicated R package for much of the #DataViz work they used in their stories:
cran.r-project.org/web/packages...
cran.r-project.org/web/packages...
July 8, 2025 at 12:47 AM
This is awesome! More insights📊 = More wisdom🧠. #FiveThirtyEight was probably a pioneer in this field. There is a dedicated R package for much of the #DataViz work they used in their stories:
cran.r-project.org/web/packages...
cran.r-project.org/web/packages...