Alex Kolokolov (@kolokolovalex) 's Twitter Profile
Alex Kolokolov

@kolokolovalex

Data2Speak Inc Founder. I’ve been helping businesses turn complex reporting systems into professional management tools for 13 years

ID: 1495009799502708736

linkhttps://data-2-speak.com calendar_today19-02-2022 13:21:27

438 Tweet

410 Followers

662 Following

Data Visualization Society (@datavizsociety) 's Twitter Profile Photo

Diversity isn't just a buzzword—it's a challenge many in the dataviz community are grappling with. In his latest article, Alex Kolokolov reflects on metrics, representation, and the uncomfortable truths behind the 'White Man Index.' nightingaledvs.com/the-white-man-…

Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

I just published my new AI-researching article for alalysts: Creating an Analytical Report with Gamma AI medium.com/make-your-data… I hope you like it!

Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

I just published my new AI-researching article for alalysts: Creating an Analytical Report with Gamma AI medium.com/make-your-data… I hope you like it! #airesearch #biai

I just published my new AI-researching article for alalysts:   

Creating an Analytical Report with Gamma AI

 medium.com/make-your-data… 

I hope you like it! 

#airesearch #biai
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

Gantt Chart with ChatGPT Drop a text or table into the chat — get a ready-made Gantt chart. But it takes about four iterations to make it perfect. Save this checklist, because AI can glitch — always double-check the results. #Gamma #AIforBI

Gantt Chart with ChatGPT

Drop a text or table into the chat — get a ready-made Gantt chart. But it takes about four iterations to make it perfect.

Save this checklist, because AI can glitch — always double-check the results.

#Gamma #AIforBI
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

📉 AI Errors in Data Visualization 📊 Data Issues - Phantom Data - Wrong Grouping - Faulty Aggregation 📉 Chart Distortions - Incorrect Scaling - Swapped Axes - Poor Chart Choice 🚫 Filtering Issues - Hidden Data - Over-Simplification 🎨 Stylization - Excessive Color

📉 AI Errors in Data Visualization

📊 Data Issues
- Phantom Data
- Wrong Grouping
- Faulty Aggregation

📉 Chart Distortions
- Incorrect Scaling
- Swapped Axes
- Poor Chart Choice

🚫 Filtering Issues
- Hidden Data
- Over-Simplification

🎨 Stylization
- Excessive Color
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

"BI tools" are evolving... or are they? 🤔 Some days, it’s Power BI and Tableau. Other days… well, you know. 😆 What’s the most unexpected tool you’ve used for analytics? Drop it in the comments! ⬇️

"BI tools" are evolving... or are they? 🤔

Some days, it’s Power BI and Tableau. Other days… well, you know. 😆

What’s the most unexpected tool you’ve used for analytics? Drop it in the comments! ⬇️
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

📊🌟 Full Dashboard Roast and How to Avoid 5 Fatal Blunders ✏️ Checklist Before You Present: 1. KPI Cards & Filters 2. Modular Grid 3. Charts That Work 💡 Pro Tip: Design with your audience in mind. Check the article for Make Your Data Speak Journal! medium.com/make-your-data…

📊🌟 Full Dashboard Roast and How to Avoid 5 Fatal Blunders

✏️ Checklist Before You Present:

1. KPI Cards & Filters
2. Modular Grid
3. Charts That Work

💡 Pro Tip: Design with your audience in mind. 

Check the article for Make Your Data Speak Journal! medium.com/make-your-data…
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

Lets make CRAZY dashboard!!! We generated design ideas with the help of AI to get inspired. I used Arcane design to create them! I love the series! What do you think? 😜 #arcane #dashboarddesign

Lets make CRAZY dashboard!!! 

We generated design ideas with the help of AI to get inspired. I used Arcane design to create them! I love the series! 
What do you think? 😜

#arcane #dashboarddesign
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

My Multi Target KPI card for Power BI now could use emojis! Try it here: appsource.microsoft.com/en-us/product/… #powerbi #powerbivisuals

My Multi Target KPI card for Power BI now could use emojis!
Try it here: 
appsource.microsoft.com/en-us/product/…

#powerbi #powerbivisuals
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

🤡 Bad advice for analysts (how to get fired with style!) Boss: Do it all in Excel. Urgently. You: Should I chisel it on stone tablets too? Boss: Check everything manually! You: Great. I’ll fetch the abacus and a candle. Boss: Send the report in Word. You: With cave drawings!

🤡 Bad advice for analysts (how to get fired with style!)

Boss: Do it all in Excel. Urgently.
You: Should I chisel it on stone tablets too?

Boss: Check everything manually!
You: Great. I’ll fetch the abacus and a candle.

Boss: Send the report in Word.
You: With cave drawings!
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

🔥 Will Grok Kill ChatGPT – Yes or No? We tested it on real data tasks. The results might surprise you. Should you pay for ChatGPT Plus, or are free AI tools enough for your data work? We ran a comparison of ChatGPT Plus vs free alternatives: DeepSeek, Claude, Perplexity.

🔥 Will Grok Kill ChatGPT – Yes or No?
We tested it on real data tasks. The results might surprise you.

Should you pay for ChatGPT Plus, or are free AI tools enough for your data work?
We ran a comparison of ChatGPT Plus vs free alternatives: DeepSeek, Claude, Perplexity.
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

Dashboard Requirements: A 6-Point Framework That Actually Works - What KPIs matter - How data will be segmented - Where/when it will be used - Who is the end user - What insights they need - What actions they’re supposed to take 📌 Details: medium.com/p/1f008b3af63b

Dashboard Requirements: A 6-Point Framework That Actually Works

- What KPIs matter 
- How data will be segmented 
- Where/when it will be used 
- Who is the end user 
- What insights they need 
- What actions they’re supposed to take

📌 Details: medium.com/p/1f008b3af63b
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

Built a dashboard without seeing the real data! No access. No screenshots. Just "believe us!" We hit: ⚠️ Broken joins ⚠️ Phantom errors ⚠️ Angry client Lessons learned👇 📌 Triple testing time 📌 Mock data must mimic reality 📌 Over-communicate read: medium.com/make-your-data…

Built a dashboard without seeing the real data!

No access. No screenshots. Just "believe us!"
We hit:
⚠️ Broken joins
⚠️ Phantom errors
⚠️ Angry client

Lessons learned👇
📌 Triple testing time
📌 Mock data must mimic reality
📌 Over-communicate

read:
medium.com/make-your-data…
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

🚀 Power BI too slow? Try this: <10 dashboards per file - Clean unused fields & visuals - Use DIVIDE(), not / - Prefer integers over floats - Avoid custom visuals - Filter big tables - Use Performance Analyzer Other hacks here: medium.com/make-your-data…

🚀 Power BI too slow? 

Try this:
&lt;10 dashboards per file
- Clean unused fields &amp; visuals
- Use DIVIDE(), not /
- Prefer integers over floats
- Avoid custom visuals
- Filter big tables
- Use Performance Analyzer

Other hacks here:
medium.com/make-your-data…
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

You can now build dashboards inside ChatGPT. No Power BI. No Tableau. Just ChatGPT + a browser. 🤯 ✅ KPI cards ✅ Bar & pie charts ✅ Upload Excel/CSV ✅ Auto-generated HTML AI just changed the BI game. 👉 medium.com/make-your-data… #ChatGPT #DataViz #BI #Analytics

You can now build dashboards inside ChatGPT.
No Power BI. No Tableau. Just ChatGPT + a browser. 🤯
✅ KPI cards
✅ Bar &amp; pie charts
✅ Upload Excel/CSV
✅ Auto-generated HTML

AI just changed the BI game.
👉 medium.com/make-your-data… 

#ChatGPT #DataViz #BI #Analytics
Alex Kolokolov (@kolokolovalex) 's Twitter Profile Photo

I just published the article: How AI Is Transforming HR! Key Outcomes and Benefits - Reduced manual workload - Transparent scoring - Prioritized list - More time for quality candidates - Better hiring matches Check it! medium.com/make-your-data… #hr #AIforHR

I just published the article: How AI Is Transforming HR!

Key Outcomes and Benefits
- Reduced manual workload
- Transparent scoring
- Prioritized list
- More time for quality candidates
- Better hiring matches

Check it!

medium.com/make-your-data… 

#hr #AIforHR