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Selçuk Korkmaz, PhD

@selcukorkmaz

Apr 26 • 8 tweets • 7 min read Twitter logo

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[1/8] 📚 Introducing #Quarto: A Versatile, New and Exciting Publishing Tool! 🌟
Quarto is a powerful, open-source, and user-friendly publishing framework that streamlines the process of creating beautiful books, documents, and websites. Let’s explore it now!
#RStats #DataScience

[2/8] 🤓 Language Agnostic: Quarto works seamlessly with multiple languages, including #Markdown, #LaTeX, #RMarkdown, and #Jupyter notebooks. So, whether you're a researcher or a creative writer, Quarto has you covered! 🌍
#DataScience #RStats

[3/8] 🔁 Format Flexibility: With Quarto, you can convert your content into various formats, such as PDF, HTML, EPUB, and even slide presentations. It makes sharing your work with diverse audiences a breeze! 🌬️
#RStats #DataScience

[4/8] 🎨 Customizable Design: Quarto offers a range of design options, including customizable templates and styles. You can easily personalize your work, making it visually appealing and unique to your brand. 🖌️
#RStats #DataScience

[5/8] 🤖 Automation: Thanks to its integration with #Pandoc and powerful command-line tools, Quarto can automate repetitive tasks, allowing you to focus on what truly matters: your content! 💡
#RStats #DataScience

[6/8] 📊 Data Science Friendly: Quarto is perfect for data scientists, as it supports embedding code chunks and outputs from various programming languages like #Python, #R, and #Julia. Share your analyses with style and ease! 📈
#DataScience #RStats #DataViz

[7/8] 🌐 Web Publishing: Quarto makes it simple to create stunning websites or blog posts using your content. Its compatibility with static site generators like #Hugo and #Jekyll means you can deploy your work effortlessly. 💻
#DataScience

[8/8] 🎉 In conclusion, Quarto is an innovative and versatile publishing framework designed to help you create and share your work with the world. If you haven't tried it yet, give it a shot—you won't be disappointed! 🚀
#Quarto

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More from @selcukorkmaz

Selçuk Korkmaz, PhD

@selcukorkmaz

Apr 26

🧵1/9 A deep dive into the history of #Backpropagation: A key technique in training multilayer architectures for neural networks. This powerful method revolutionized the way we train AI systems, leading to major breakthroughs in various domains. 🤖#DataScience #DeepLearning #AI

🧵2/9 #Backpropagation is based on a simple concept: use gradient descent to optimize multilayer networks. By applying the chain rule for derivatives, it computes gradients efficiently, leading to optimized weight configurations in each layer of the network. #DataScience #AI

🧵3/9 The shift to Rectified Linear Units (ReLU) accelerated learning in deep networks, allowing training without unsupervised pre-training. This non-linear activation function proved more effective than its smoother predecessors like tanh(z) or 1/(1+exp(−z)). #ReLU #DataScience

Read 10 tweets

Selçuk Korkmaz, PhD

@selcukorkmaz

Apr 26

🧵1/8 Loading datasets from various sources is crucial for data analysis. In this thread, we'll explore how to read datasets from different sources and software using R! 📚 #RStats #DataScience

🧵2/8 CSV Files: The "read.csv" function is a go-to for reading comma-separated values files. For improved performance and more flexibility, consider using the "read_csv" function from the readr package or the fread function from the data.table package. 📃 #CSV #RStats

🧵3/8 Excel Files: The readxl package provides functions like "read_excel" for reading data from Excel files (.xls and .xlsx). Alternatively, the openxlsx package offers more features, including reading and writing Excel files. 📊 #Excel #RStats

Read 9 tweets

Selçuk Korkmaz, PhD

@selcukorkmaz

Apr 25

Thread: (1/9) You might have heard the term 'bootstrapping' thrown around in discussions about statistics, data analysis, or machine learning. But what does it mean, and why is it so powerful? Let's break it down in simple terms! #RStats #DataScience

(2/9) Bootstrapping is a resampling technique that involves taking multiple samples from the original dataset, each time with replacement. It's like drawing marbles from a bag, putting each one back after recording its color. This helps us understand the uncertainty in our data.

(3/9) In real-life situations, it's not always feasible to collect more data. Bootstrapping allows us to make the most of what we have, creating a 'pseudo-replica' of our dataset through resampling. This helps us understand the variability of our estimates. #RStats #DataScience

Read 9 tweets

Selçuk Korkmaz, PhD

@selcukorkmaz

Apr 25

🧵 1/10 🧵
🎯 Demystifying the #Apply Functions Family in #R 🎯

Are you an #Rstats enthusiast? Let's dive into the powerful 'apply' family of functions to help you manipulate and analyze data efficiently! 👩‍💻👨‍💻

#DataScience #RStats

🧵 2/10
Meet the Family! 🏡

There are six main functions in the 'apply' family:

1️⃣ apply()
2️⃣ lapply()
3️⃣ sapply()
4️⃣ vapply()
5️⃣ mapply()
6️⃣ tapply()

Each has its own use case and is designed to work with different data structures. Let's explore them! 🕵️‍♂️🔍

#RStats

🧵 3/10 🧵
1️⃣ apply()

Use apply() for applying a function across the rows or columns of a matrix or array.

Syntax: apply(X, MARGIN, FUN, ...)

X: array or matrix
MARGIN: 1 for rows, 2 for columns
FUN: function to apply
... : additional arguments

#RStats #DataScience

Read 10 tweets

Selçuk Korkmaz, PhD

@selcukorkmaz

Apr 24

1/ 🎯 Introduction 📌
The #caret package in #R is a powerful tool for data pre-processing, feature selection, and machine learning model training. In this thread, we'll explore some useful tips & tricks to help you get the most out of caret. #DataScience #MachineLearning #RStats

2/ 🧹 Data Pre-processing 📌
caret offers various data pre-processing techniques, like centering, scaling, and removing near-zero-variance predictors. Use the preProcess() function to apply these methods before model training.🧪 #RStats #DataScience

3/ ⚙️ Feature Selection 📌
Use the rfe() function for recursive feature elimination. This method helps you find the most important features in your dataset, improving model performance & interpretation.🌟 #RStats #DataScience

Read 8 tweets

Selçuk Korkmaz, PhD

@selcukorkmaz

Apr 24

1/🧶📝 Welcome to a Twitter thread discussing the pros & cons of the #R packages, #knitr and #sweave. These packages allow us to create dynamic, reproducible documents that integrate text, code, and results. Let's dive into the strengths and weaknesses of each. #Rstats

2/🔍 #knitr is a more recent and widely-used package that simplifies the creation of dynamic reports. It's an evolution of #sweave and supports various output formats, including PDF, HTML, and Word. Plus, it's compatible with Markdown and LaTeX! #Rstats

3/🌟 Pros of #knitr:
✅ Better syntax highlighting
✅ Cache system to speed up compilation
✅ Inline code chunks
✅ Flexible output hooks
✅ More output formats
✅ Integrates with other languages
Overall, it provides more control and customization in document creation. #RStats

Read 9 tweets

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