Roni Gaia

Biólogo/Ictiólogo,
Doutorando em Ecologia e
Pesquisador no Laboratório de Ictiólogia Neotropical-UFU

[James Albert 🐟 🇺🇦 @JamesAl0410008]

The data are clear: human activities are the main source environmental damage in the Amazon and across the whole planet, and government policies have tremendous impacts on the pace and directions of these changes.

https://t.co/E5t6tabbnd

[Matt Dancho (Business Science) @mdancho84]

Understanding probability is essential in data science.

In 4 minutes, I'll demolish your confusion.

Let's go!

[Underwater Cultural Heritage Of Stone Fish Weirs @Stonefishweirs]

#paleolithic #fishtrap or #fishweir?Archaeologists from the Leibniz-Zentrum für Archäologie (LEIZA) and Durham University have uncovered engravings at the Ice Age site of Gönnersdorf that shows the earliest known depictions of fishing. https://t.co/fh7uJJ0W4R...

[Fish in the News @FishInTheNews]

A really great article - Electric eels are famous, and rightly so. They have a storied history as perhaps the first model species in science, having been used to explore the link between biology and electricity since the 1700s.
🔗 https://t.co/xIbpWywbcH

[Roni Gaia @RoniGaia]

https://t.co/6j8ybiy8pt

[Science Magazine @ScienceMagazine]

"I was late learning about science … For much of my scientific training I feared I was behind my peers. But I have been able to close the gap—and that is something to be proud of." #ScienceMagArchives https://t.co/9AvSv7ggOo

[Joachim Schork @JoachimSchork]

The Standard Error measures how much a sample statistic, like the mean, is expected to vary from the true population parameter. It helps us understand the precision of our estimates and how much confidence we can place in our results.

Why is Standard Error Important?

✔️ Precision in Estimates: The smaller the standard error, the more precise the estimate of the population parameter. This means we can be more confident that our sample mean is close to the true population mean.
✔️ Guides Sample Size: Standard error decreases as sample size increases, showing that larger samples give more reliable results. This is crucial for designing studies that provide meaningful insights.

The visualization of this post demonstrates how the standard error changes with different sample sizes. As sample sizes increase, the spread of sample means becomes narrower, reflecting a smaller standard error and more precise estimates. This visual is a great reminder of why larger samples are generally better in statistical analysis.

Standard Error vs. Standard Deviation: What’s the Difference?

The difference between Standard Error and Standard Deviation is often misunderstood. The Standard Deviation measures the variability of individual data points around the mean within a single sample, indicating how spread out the data is. On the other hand, the Standard Error measures how much the sample mean is expected to vary from the true population mean across different samples, focusing on the precision of the sample mean as an estimator of the population mean.

For a deeper dive into statistical methods and concepts like standard error, check out my online course on Statistical Methods in R. This course covers these topics in detail and much more. Learn more: https://t.co/7YQCRDKSPO

#pythonprogramming #statisticsclass #RStats #Python #R

[Roni Gaia @RoniGaia]

https://t.co/7ZmrnGBi5Y

[Scholarship for PhD @ScholarshipfPhd]

7 Sci-Hub Alternative Websites

Paper you need to ask for payment & can't use sci-hub?

You don't have to pay to read academic papers.
These are 7 sci-hub alternative websites to download papers for free.
👉 Unpaywall --> https://unpaywall. org/

Install this browser extension on Chrome and read the paper directly on the journal website legally and for free.
👉 Open Access Button (OAB) --> https://lnkd. in/dXVVQpUf

Copy and paste the link paper or DOI on the OAB website. This will be accessible on the next page. Legal.
👉 PaperPanda --> https://paperpanda. app/

Like Unpaywall, this Chrome extension allows you to access millions of research papers in one click.
👉 DOAJ --> https://doaj. org/

As the name implies, DOAJ (Directory of Open Access Journals) provides access to millions of scientific papers from around the world for free.
👉 OA[.]mg--> https://oa. mg/

Like Google which is made specifically to search for academic papers. There are more than 250 million papers available for access.
👉 Core --> https://core. ac. uk/

The world's largest database of research papers with more than 298 million papers from around the world that can be accessed for free.
👉 arXiv --> https://arxiv. org/

Especially for lovers of natural sciences and economics, this website provides access to 2.4 million academic papers for free.

Tip: Remove any spaces in the URLs if you encounter issues accessing the websites.

[Fish in the News @FishInTheNews]

The 3rd edition of 'A Complete Guide to the Freshwater Fishes of Southern Africa' by Paul Skelton is out now. Includes newly described species, the latest taxonomic changes, new photographs and illustrations, and updated distribution maps. #Biodiversity
🔗 https://t.co/u63D20jFIb

[Roni Gaia @RoniGaia]

Time-calibrated phylogeny of neotropical freshwater fishes
https://t.co/vXnpPAbnQz

[Roni Gaia @RoniGaia]

Em breve será publicada a versão completa da Filogenia Calibrada no Tempo de Peixes de Água Doce Neotropicais.
https://t.co/w7K7zFJ5J6

[Science News @SciencNews]

Human evolution

Source: visualcapitalist #evolution #Human #Biology

[James Albert 🐟 🇺🇦 @JamesAl0410008]

La Venta Formation, among the lst place and time of riverine connections between the Amazon and tran-Andean river basins.

https://t.co/AxUFwIfSZd

[James Albert 🐟 🇺🇦 @JamesAl0410008]

This study highlights the magnitude of Cretaceous transgression events shaping freshwater biodiversity.

[Nature Reviews Earth & Environment 🌈 @NatRevEarthEnv]

📢 New Review!

Hydropower impacts on riverine biodiversity🐟🏞️

By @FengzhiHe, C. Zarfl (@ETuebingen), @KlementTockner, @oldenfish, Z. Campos, @FabioMu10038534, @JCSvenning & @SCJaehnig

https://t.co/TYAUWW6wgc (Free-to-read https://t.co/xHaIYJhbJc)

[Gustavo A. Ballen @gaballench]

What did the dove sing to Pope Gregory? A thread on phylogenetics and cultural evolution featuring our new preprint with Jan Hajic jr. and Klára Mühlova (https://t.co/IlQ14LrlR7) and previous contributions to the field.

[Scholarship for PhD @ScholarshipfPhd]

Best Practices for Using AI When Writing Scientific Manuscripts (1/3)

[Shining Science @ShiningScience]

The luminous beams of the moon penetrate the clouds, producing a rare visual phenomenon.

📸 V . Boltik