Harrison Mburu

Farmacist |
Independent researcher |
Views my own |
Classic car enthusiasts |

[Joe @cee_four4]

He made everyone believe he was the teacher just to get his revenge💀🫣

[BBC News Africa @BBCAfrica]

📽️ You can now watch the #BBCAfricaEye documentary, 'Blood Parliament' here: https://t.co/4flvWwdV43

[The Mara Nomads @MaraNomads]

And so the adventure begins! From the heart of Kenya, through the scenic landscapes of Tanzania, past the stunning Lake Tanganyika, to the wonders and majesty of Lake Malawi, Victoria Falls and beyond. We'll proudly fly our Kenyan flag high every step of the way! 🇰🇪

[Harrison Mburu @Harris_mburu]

@NemAfrica @Shaukeland2 @icipe @IITA_CGIAR @DannyCoyne6 @CortadaLaura @LizNNganga @alabamaED @NIBIO_no @WimBert12 @ImanemaUgent @Nemedussa @SON_nemaweb @ESNematologists I'm glad to have been under your mentorship and supervision. Forever grateful @Shaukeland2 .

[Harrison Mburu @Harris_mburu]

@Art0fThinking 2110

[Matt Dancho (Business Science) @mdancho84]

Understanding P-Values is essential for improving regression models. In 2 minutes, learn what took me 2 years to figure out.

1. The p-value: A p-value, in statistics, is a measure used to assess the strength of the evidence against a null hypothesis.

2. Null Hypothesis (H0): This is a general statement or default position that there is no relationship between two measured phenomena or no association among groups. For example, the regressor does not affect the outcome.

3. Alternative Hypothesis (H1): This is what you want to test for. It is often the opposite of the null hypothesis. For example, that the regressor does affect the outcome.

4. Calculating the p-value: The p-value for each coefficient is typically calculated using the t-test. There are several steps involved. Let's break them down.

5. Coefficient Estimate: In a regression model, you have estimates of coefficients (β) for each predictor. These coefficients represent the change in the dependent variable for a one-unit change in the predictor, holding all other predictors constant.

6. Standard Error of the Coefficient: The standard error (SE) measures the accuracy with which a sample represents a population. In regression, the SE of a coefficient estimate indicates how much variability there is in the estimate of the coefficient.

7. Test Statistic (T): The test statistic for each coefficient in a regression model is calculated by dividing the Coefficient Estimate / Standard Error of the Coefficient. This gives you a t-value.

8. Degrees of Freedom: The degrees of freedom (df) for this test are usually calculated as the number of observations minus the number of parameters being estimated (including the intercept).

9. P-Value Calculation: The p-value is then determined by comparing the calculated t-value to the t-distribution with the appropriate degrees of freedom. The area under the t-distribution curve, beyond the calculated t-value, gives the p-value.

10. Interpretation: A small p-value (usually ≤ 0.05) indicates that it is unlikely to observe such a data pattern if the null hypothesis were true, suggesting that the predictor is a significant contributor to the model.

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Ready to learn Data Science for Business?

I put together a free on-demand workshop that covers the 10 skills that helped me make the transition to Data Scientist: https://t.co/LR39RJ5XKB

And if you'd like to speed it up, I have a live workshop next week where I'll share how to use ChatGPT for Data Science: https://t.co/EaMpKrJiqX

If you like this post, please reshare ♻️ it so others can get value.

[Mushtaq Bilal, PhD @MushtaqBilalPhD]

Finding relevant papers for your literature review can take a lot of time.

Conensus — an AI-powered search engine — can make your literature discovery process super-quick.

Here's how to use Consensus + Zotero to supercharge your literature review:

[Harrison Mburu @Harris_mburu]

@mindfulmaven_ Genius. Joy. Devine

[Dr. Rufus Akinrinlola @roofusever]

#Sharing
#Opportunity
#PhD

[R Markdown @rmarkdown]

Master the nuances of ggplot2 📊! Learn how to tweak legend key sizes for clearer visualizations in this insightful guide: https://t.co/Y1SJQNtPbb #dataviz #ggplot2 #DataVisualizationTips #PythonRCombo #GraphingHacks.

[Harrison Mburu @Harris_mburu]

Dear @KenyaPower_Care @KenyaPower I'm experiencing difficulties in purchasing prepaid tokens via 888880. Kindly help

[Job Corner @JOBCORNER247]

F-1 VISA INTERVIEW QUESTIONS AND ANSWERS:

These Interview tips could be helpful to somebody out there so please share them.

#tips #interview

[Pratham @Prathkum]

8 AI websites you must take a look into:

1. https://t.co/dSLSrmRa8d → Free ChatGPT powered assistant on any website

2. https://t.co/H631uo2Xas → Online meeting notes, transcription, etc

3. https://t.co/CUNSfoquRD → Summarize YouTube videos

4. https://t.co/cHjTH6J48x → Write emails 10x faster with AI

5. https://t.co/BMVlJp4TQv → Turn your document into a chat

6. https://t.co/eaq1kyLbuR → ChatGPT for excel

7. https://t.co/Nl3zm9uosR → Correct code errors with AI

8. https://t.co/M3f92Fwn0r → Text to slides

[Rowan Cheung @rowancheung]

I'm surprised how many people aren't using AI Chrome extensions yet.

Stop limiting yourself to just ChatGPT.

Here are 5 new AI chrome extensions that will turn you into a productivity machine:

[Pratham @Prathkum]

AI era is here.

6 AI tools to reduce work hours:

1. Logo ➝ https://t.co/Rc0QcDPoLX
2. Design ➝ https://t.co/GIAUMBa61v
3. Code ➝ https://t.co/a0HFiaJyqd
4. Copywriting ➝ https://t.co/BYazkFZmmX
5. Images ➝ https://t.co/tnfoIQevsr
6. Slides ➝ https://t.co/OX5L5SN19O

[Shushant Lakhyani @shushant_l]

15 AI tools for solopreneurs:

1. ChatGPT
2. Midjourney
3. Headshot Pro
4. ChatPDF
5. Lex
6. Taskade
7. GPT For Sheets
8. Mem
9. Bardeen
10. Tome
11. AI Office Bot
12. Fireflies AI
13. Github Copilot
14. Movio
15. Mixo

What tool did I miss?

[Jaydeep @_jaydeepkarale]

GPT-4 is phenomenal.

But you can't miss out these 5 AI tools:

1. AI Meeting Summarizer
https://t.co/eka9ZCP5b8

2. AI resume builder
https://t.co/zE31UQMBfb

3. AI images
https://t.co/UiA5X5WiaP

4. AI assistent
https://t.co/POXp9nifar

5. AI writer
https://t.co/fTyNmwoenJ

[@EcoEvoRxiv @ecoevorxiv]

"Herodotools: An R package to integrate macroevolution, biogeography, and community ecology"