Discover and read the best of Twitter Threads about #assumptions

Most recents (10)

In an essay I wrote, "only unaware practitioners use made-up #personas in their design work".

I think I know why this is done.

🧵 1/15 Image
There is a difference between #characters and #archetypes. You can make up characters, as long as each character is based on a researched archetype.

2/15
People who make up personas are actually making up characters, but they make these characters without any grounding. There are usually no researched archetypes.

You can do better, and have fun:

3/15
Read 15 tweets
"Argument-Making in the Wild"

Today's SFI Seminar by Simon DeDeo (@LaboratoryMinds), streaming now. Follow our thread for pull quotes and slides:

First, let's divide human history into three eras, or regimes of #knowledge #production and #consumption:

• #premodern/#archaic
• #modern + #postmodern
• the #egregore (online content sharing)

• The premodern era is defined by caloric restriction.
• The modern era is characterized by a small number of sellers of #information vs. a large number of consumers (see also #HerbertSimon's remarks on the "poverty of #attention")

Read 16 tweets
Your Safety and You.

#Assumptions

As at time of the accident it wasn't clear the number of persons trapped for easy evacuation and rescue.

1. Develop a manifest/register at work sites and offices

2. Make use of T-cards for everyone working/visiting your sites/offices Image
#Accesscontrol

The cost of safety can't be equated to the cost of ignorance. "I don't care" na person wey e never reach him side.

Don't wait until it happens, stop been reactive be proactive. The rate of building collapse might be on the increase and until people are held
accountable for cutting corners we are not sure these will end anytime soon.

Your looking the other way when processes and procedures are violated makes you an accomplice to whatever eventually happens If you see something!
Read 4 tweets
Daily Bookmarks to GAVNet 10/23/2021 greeneracresvaluenetwork.wordpress.com/2021/10/23/dai…
COVID vaccine makers brace for a variant worse than Delta

nature.com/articles/d4158…

#COVID19 #EscapeVariants #VaccineUpdates #timeliness
The broken $100-billion promise of climate finance — and how to fix it

nature.com/articles/d4158…

#ClimateChange #UnitedNations #pledges #mitigation #consequences
Read 8 tweets
Daily Bookmarks to GAVNet 03/08/2021 greeneracresvaluenetwork.wordpress.com/2021/03/08/dai…
Lockdowns Do Not Control the Coronavirus: The Evidence

aier.org/article/lockdo…

#COVID19 #lockdowns #effectiveness #DataAnalysis
To Create Real Change That Lasts, Start With A Majority

digitaltonto.com/2021/to-create…

#SystemsChange #ideas #strategies
Read 8 tweets
So, 30 hours of battery storage for $660 / kW comes down to $22 / kWh.

That's less than one tenth of the cost of today's leading $300 / kWh Tesla "Megapack" utility battery storage product. 🤔
#modelling #assumptions #magicalthinking #antinuclearism
Why am I challenging Dr. Clack?

Because he is selling antinuclear have-your-cake-and-eat-it renewable energy studies that he asserts "find" least-cost energy systems with little or no nuclear energy, while in fact he simply assumes it, hidden in the fine print of his papers.
Note how I try to evaluate Clacks storage cost assumption by comparing to the *best* current storage cost quote I could find.

In his effort to support his nuclear cost assumptions, he refers to the *worst* project he could find.

This is not fine.
Read 3 tweets
1/6 Excited to share our new #biologicalconservation paper on the #illegalwildlifetrade of #jaguars in #Belize and #Guatemala by @EJMilnerGulland @orchiddelirium and myself, in partnership with @WCS_Mesoamerica. Free access for a limited time at: sciencedirect.com/science/articl… Image
2/6 Based on key informant interviews, we found that #jaguartrade is a #domestic and #opportunistic activity, driven by local actors for a range of #motivations, and with ties to #humanwildlifeconflict, #bushmeathunting, #Chinesedemand, #drugtrafficking, #migration and #tourism Image
3/6 By separating statements into well #evidenced examples vs. #assumptions, we found that the areas of higher #uncertainty in the #jaguartrade include the role of external actors and drivers, and of commercial motivations. Image
Read 6 tweets
#Bigdata vs Machine Learning vs Artificial Intelligence
By Irene Aldridge
☝️author High-Frequency Trading: A Practical Guide to #Algorithmic Strategies& #Trading Systems
☝️co-author Real-Time Risk: What Investors Should Know About #Fintech,#highfrequencytrading and FlashCrashes
1. ☝️🧐➿🔢 In traditional #statistics or #econometrics, researchers make assumptions about #data distributions ahead of the analysis
2. 🥇💪#machinelearning = the 1st discipline to apply #efficiency to #problemsolving brought by #computers & their enhanced computational power
3. 🤗➿🔢#ML scientists try to reduce #assumptions about the data as much as possible&let the data (&computers) decide what fits best.
4. ♾➡️🔤🌐#Datascience identifies core characteristics of the data, summarized by what has been known as #characteristic values (#eigenvalues)
Read 6 tweets
"How to Regulate Artificial Intelligence" by @etzioni
#3laws+
Read 17 tweets

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