Sai Krishna
@thechaoticneuron.bsky.social
I do statistics 📈, writing ✍️ and acting 🎭 - in no certain order
Here to become wiser with every post.
https://d-saikrishna.github.io/
Here to become wiser with every post.
https://d-saikrishna.github.io/
Air is a public good and in any society with common sense, it should be a top government priority to provide clean air.
Alas, as we wait for that common sense to dawn on us, let's at least mask up in the meantime.
#SkySky AirQuality
Alas, as we wait for that common sense to dawn on us, let's at least mask up in the meantime.
#SkySky AirQuality
April 28, 2025 at 5:40 AM
Air is a public good and in any society with common sense, it should be a top government priority to provide clean air.
Alas, as we wait for that common sense to dawn on us, let's at least mask up in the meantime.
#SkySky AirQuality
Alas, as we wait for that common sense to dawn on us, let's at least mask up in the meantime.
#SkySky AirQuality
LogProbs
LogProbs is one of the basic skills for a Prompt Engineer to have.
medium.com
March 21, 2025 at 11:45 AM
One key insight about the impact of LLMs on creative writing from Andrej Karpathy’s LLM Deepdive:
medium.com/@saikrishna_...
#AI 🤖📈 #LLM #WritingCommunity
medium.com/@saikrishna_...
#AI 🤖📈 #LLM #WritingCommunity
Will an AI joke land?
One key insight about the impact of LLMs on creative writing from Andrej Karpathy’s LLM Deepdive
medium.com
March 6, 2025 at 8:33 AM
One key insight about the impact of LLMs on creative writing from Andrej Karpathy’s LLM Deepdive:
medium.com/@saikrishna_...
#AI 🤖📈 #LLM #WritingCommunity
medium.com/@saikrishna_...
#AI 🤖📈 #LLM #WritingCommunity
When I write stories, I ensure that I have the climax first with all its payoffs 😁
I have started #writing backwards for my #PhD papers, and I have noticed a clear improvement in my sentence structure, grammar, and flow. I never thought about starting with the #conclusion, but now that I have, I am not going back — only backwards!
I highly recommend doi.org/10.1007/s429.... 🧪
I highly recommend doi.org/10.1007/s429.... 🧪
Finding your scientific story by writing backwards - Marine Life Science & Technology
To succeed, a scientist must write well. Substantial guidance exists on writing papers that follow the classic Introduction, Methods, Results, and Discussion (IMRaD) structure. Here, we fill a critica...
doi.org
January 22, 2025 at 1:32 PM
When I write stories, I ensure that I have the climax first with all its payoffs 😁
January 15, 2025 at 12:55 PM
𝐖𝐡𝐞𝐧 𝐬𝐡𝐨𝐮𝐥𝐝 𝐲𝐨𝐮 𝐛𝐫𝐮𝐬𝐡 𝐲𝐨𝐮𝐫 𝐭𝐞𝐞𝐭𝐡?
1. Brush twice a day — Morning and Night after dinner.
2. Morning, it’s better to 𝐛𝐫𝐮𝐬𝐡 𝐚𝐟𝐭𝐞𝐫 𝐛𝐫𝐞𝐚𝐤𝐟𝐚𝐬𝐭.
If you find it scandalous, read this blog!
medium.com/@saikrishna_...
#rstats #Stats #StatSky 🤖📈
1. Brush twice a day — Morning and Night after dinner.
2. Morning, it’s better to 𝐛𝐫𝐮𝐬𝐡 𝐚𝐟𝐭𝐞𝐫 𝐛𝐫𝐞𝐚𝐤𝐟𝐚𝐬𝐭.
If you find it scandalous, read this blog!
medium.com/@saikrishna_...
#rstats #Stats #StatSky 🤖📈
When to brush your teeth? A good ANOVA study!
I found this paper which did a simple ANOVA study to find out when should one brush their teeth!
medium.com
January 10, 2025 at 7:54 AM
𝐖𝐡𝐞𝐧 𝐬𝐡𝐨𝐮𝐥𝐝 𝐲𝐨𝐮 𝐛𝐫𝐮𝐬𝐡 𝐲𝐨𝐮𝐫 𝐭𝐞𝐞𝐭𝐡?
1. Brush twice a day — Morning and Night after dinner.
2. Morning, it’s better to 𝐛𝐫𝐮𝐬𝐡 𝐚𝐟𝐭𝐞𝐫 𝐛𝐫𝐞𝐚𝐤𝐟𝐚𝐬𝐭.
If you find it scandalous, read this blog!
medium.com/@saikrishna_...
#rstats #Stats #StatSky 🤖📈
1. Brush twice a day — Morning and Night after dinner.
2. Morning, it’s better to 𝐛𝐫𝐮𝐬𝐡 𝐚𝐟𝐭𝐞𝐫 𝐛𝐫𝐞𝐚𝐤𝐟𝐚𝐬𝐭.
If you find it scandalous, read this blog!
medium.com/@saikrishna_...
#rstats #Stats #StatSky 🤖📈
January 6, 2025 at 12:35 PM
January 3, 2025 at 7:44 AM
January 1, 2025 at 1:51 PM
December 31, 2024 at 6:23 AM
Trying my hand at writing poems 🌝
Thanks to Douglas Kearney’s course! www.coursera.org/learn/poetry...
#Poetry #TinyPoem
Thanks to Douglas Kearney’s course! www.coursera.org/learn/poetry...
#Poetry #TinyPoem
December 30, 2024 at 3:17 AM
Trying my hand at writing poems 🌝
Thanks to Douglas Kearney’s course! www.coursera.org/learn/poetry...
#Poetry #TinyPoem
Thanks to Douglas Kearney’s course! www.coursera.org/learn/poetry...
#Poetry #TinyPoem
TL;DR
Paper tried to compare air quality between land cover classes using Kruskal Wallis tests
link.springer.com/article/10.1...
But practical significance seems neglected for statistical significance.
What do you say?
#Stats #rstats 🤖📈
medium.com/@saikrishna_...
Paper tried to compare air quality between land cover classes using Kruskal Wallis tests
link.springer.com/article/10.1...
But practical significance seems neglected for statistical significance.
What do you say?
#Stats #rstats 🤖📈
medium.com/@saikrishna_...
Statistical issues in this paper studying relation between air quality and LULC
A paper got published in Environmental Monitoring and Assessment. It studied relation between land-use classes (Urban, Shrubland, Forest…
medium.com
December 23, 2024 at 11:20 PM
TL;DR
Paper tried to compare air quality between land cover classes using Kruskal Wallis tests
link.springer.com/article/10.1...
But practical significance seems neglected for statistical significance.
What do you say?
#Stats #rstats 🤖📈
medium.com/@saikrishna_...
Paper tried to compare air quality between land cover classes using Kruskal Wallis tests
link.springer.com/article/10.1...
But practical significance seems neglected for statistical significance.
What do you say?
#Stats #rstats 🤖📈
medium.com/@saikrishna_...
Grove air quality sensor + ESP8266 reporting indoor air quality to a google sheet every 10 minutes
#IoT
github.com/d-saikrishna...
#IoT
github.com/d-saikrishna...
December 19, 2024 at 8:07 AM
Grove air quality sensor + ESP8266 reporting indoor air quality to a google sheet every 10 minutes
#IoT
github.com/d-saikrishna...
#IoT
github.com/d-saikrishna...
🏛️ Interesting argument on lack of democratic accountability 🏛️
osf.io/preprints/os...
1. It’s not the lack of awareness. But political partisanship is an obstacle to accountability.
2. Lack of social capital. Public support to policies that preserve public goods reduces if there is personal cost
osf.io/preprints/os...
1. It’s not the lack of awareness. But political partisanship is an obstacle to accountability.
2. Lack of social capital. Public support to policies that preserve public goods reduces if there is personal cost
December 16, 2024 at 1:00 PM
🏛️ Interesting argument on lack of democratic accountability 🏛️
osf.io/preprints/os...
1. It’s not the lack of awareness. But political partisanship is an obstacle to accountability.
2. Lack of social capital. Public support to policies that preserve public goods reduces if there is personal cost
osf.io/preprints/os...
1. It’s not the lack of awareness. But political partisanship is an obstacle to accountability.
2. Lack of social capital. Public support to policies that preserve public goods reduces if there is personal cost
Reposted by Sai Krishna
This is my yearly reminder that published results of coefficients using logistic regression in Python are likely wrong because they are L2 penalized by default: github.com/scikit-learn...
#rstats #statistics #digitalhumanities
#rstats #statistics #digitalhumanities
Suggestion: Add support for unpenalized logistic regression · Issue #6738 · scikit-learn/scikit-learn
LinearRegression provides unpenalized OLS, and SGDClassifier, which supports loss="log", also supports penalty="none". But if you want plain old unpenalized logistic regression, you have to fake it...
github.com
December 13, 2024 at 2:05 PM
This is my yearly reminder that published results of coefficients using logistic regression in Python are likely wrong because they are L2 penalized by default: github.com/scikit-learn...
#rstats #statistics #digitalhumanities
#rstats #statistics #digitalhumanities
If I ask you to forecast pollution in Delhi on some random day, you'd say a number X
If I further ask you to forecast on a Winter Day, you'd top up X with some y
This is Bayes theorem running in your head.
This blog attempts to quantify it
medium.com/@saikrishna_...
#rstats #stats 🤖📈
If I further ask you to forecast on a Winter Day, you'd top up X with some y
This is Bayes theorem running in your head.
This blog attempts to quantify it
medium.com/@saikrishna_...
#rstats #stats 🤖📈
Bayesian probabilistic forecasts using categorical information | Part 1
In this blog, I will make Bayesian forecasts of Ozone concentrations.
medium.com
December 13, 2024 at 11:47 AM
If I ask you to forecast pollution in Delhi on some random day, you'd say a number X
If I further ask you to forecast on a Winter Day, you'd top up X with some y
This is Bayes theorem running in your head.
This blog attempts to quantify it
medium.com/@saikrishna_...
#rstats #stats 🤖📈
If I further ask you to forecast on a Winter Day, you'd top up X with some y
This is Bayes theorem running in your head.
This blog attempts to quantify it
medium.com/@saikrishna_...
#rstats #stats 🤖📈
No answers :/
Anyways.
Even without an uninformative prior, we provide a bounded prior in a Bernoulli trial.
P(p) = 1 (when 0<=p<=1)
P(p)=0 (otherwise)
So the bayesian estimates are informed of this bounded nature of p. The MLE doesn’t consider that. Hence the difference.
#rstats #stats 🤖📈
Anyways.
Even without an uninformative prior, we provide a bounded prior in a Bernoulli trial.
P(p) = 1 (when 0<=p<=1)
P(p)=0 (otherwise)
So the bayesian estimates are informed of this bounded nature of p. The MLE doesn’t consider that. Hence the difference.
#rstats #stats 🤖📈
December 12, 2024 at 4:49 PM
So if x^2 is the confounder, adding x to the model may not completely remove the Omitted Variable Bias 😬😬😬
Seems obvious now. But wow, that’s an interesting thing! Makes causal inference more complex
Seems obvious now. But wow, that’s an interesting thing! Makes causal inference more complex
Bias remaining after adjusting for pre-treatment variables. Also the challenges of learning through experimentation.
statmodeling.stat.columbia.edu/2024/12/10/b...
statmodeling.stat.columbia.edu/2024/12/10/b...
Bias remaining after adjusting for pre-treatment variables. Also the challenges of learning through experimentation. | Statistical Modeling, Causal Inference, and Social Science
statmodeling.stat.columbia.edu
December 11, 2024 at 11:20 AM
So if x^2 is the confounder, adding x to the model may not completely remove the Omitted Variable Bias 😬😬😬
Seems obvious now. But wow, that’s an interesting thing! Makes causal inference more complex
Seems obvious now. But wow, that’s an interesting thing! Makes causal inference more complex
𝐖𝐡𝐚𝐭 𝐢𝐬 𝐢𝐧𝐟𝐨𝐫𝐦𝐚𝐭𝐢𝐨𝐧?
It impinges on a thinking mind and makes it change its opinion.
How should this change be affected?
𝐁𝐀𝐘𝐄𝐒 𝐓𝐇𝐄𝐎𝐑𝐄𝐌.
𝐓𝐡𝐞 𝐥𝐢𝐤𝐞𝐥𝐢𝐡𝐨𝐨𝐝 𝐟𝐮𝐧𝐜𝐭𝐢𝐨𝐧 𝐠𝐞𝐧𝐞𝐫𝐚𝐭𝐞𝐝 𝐛𝐲 𝐭𝐡𝐞 𝐝𝐚𝐭𝐚 𝐢𝐬 𝐭𝐡𝐞 𝐈𝐧𝐟𝐨𝐫𝐦𝐚𝐭𝐢𝐨𝐧
- an extract from an autobiographical essay of statistician Debabrata Basu
#stats #rstats 🤖📈
It impinges on a thinking mind and makes it change its opinion.
How should this change be affected?
𝐁𝐀𝐘𝐄𝐒 𝐓𝐇𝐄𝐎𝐑𝐄𝐌.
𝐓𝐡𝐞 𝐥𝐢𝐤𝐞𝐥𝐢𝐡𝐨𝐨𝐝 𝐟𝐮𝐧𝐜𝐭𝐢𝐨𝐧 𝐠𝐞𝐧𝐞𝐫𝐚𝐭𝐞𝐝 𝐛𝐲 𝐭𝐡𝐞 𝐝𝐚𝐭𝐚 𝐢𝐬 𝐭𝐡𝐞 𝐈𝐧𝐟𝐨𝐫𝐦𝐚𝐭𝐢𝐨𝐧
- an extract from an autobiographical essay of statistician Debabrata Basu
#stats #rstats 🤖📈
December 9, 2024 at 4:53 AM
Freshly published: Assessing Air Quality during India’s National Clean Air Programme (NCAP)
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Assessing Air Quality During India’s National Clean Air Programme (NCAP): 2019-2023
Did air quality improve during India’s National Clean Air Programme (NCAP)? Since its inception in 2019, 131 cities were designated as non-attainment …
www.sciencedirect.com
December 7, 2024 at 1:20 PM
Freshly published: Assessing Air Quality during India’s National Clean Air Programme (NCAP)
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
🏛️ A good read for policy folks 🏛️
Sharing one of my favourite reads of the year (thanks to colleagues for sharing it with me). "Science could solve some of the world’s biggest problems. Why aren’t governments using it?"
www.nature.com/articles/d41...
www.nature.com/articles/d41...
Science could solve some of the world’s biggest problems. Why aren’t governments using it?
A Nature global survey finds that most specialists are unhappy with systems to provide science advice to policymakers.
www.nature.com
December 5, 2024 at 6:09 PM
🏛️ A good read for policy folks 🏛️
How can a causal variable become useless in prediction?
100% Mediation in Action!
medium.com/@saikrishna_...
#rstats #stats #Statistics 🤖📈
100% Mediation in Action!
medium.com/@saikrishna_...
#rstats #stats #Statistics 🤖📈
100% Mediation in Action
I wrote about Mediators in the previous blog. This is a follow-up blog to it.
medium.com
December 4, 2024 at 5:23 PM
How can a causal variable become useless in prediction?
100% Mediation in Action!
medium.com/@saikrishna_...
#rstats #stats #Statistics 🤖📈
100% Mediation in Action!
medium.com/@saikrishna_...
#rstats #stats #Statistics 🤖📈