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$35 hourly
Krzysztof O.
- 5.0/5
- (16 jobs)
Tools of choice: Python (Pandas, PyPlot, Re) What you can expect? 1. Exploratory Data Analysis and Data Mining Finding the number of occurrences, hidden correlations in a large (1+GB) numerical dataset. You can expect a report summarizing the results of the analysis with cool visuals generated with Matplotlib. The typical Data Mining Report will be divided 3 sections: - Description of the dataset - Analysis - Summary The analysis can be a simple statistical analysis (quartiles, frequencies) and advanced (fitting financial/physical models to data) and explaining the differences. Data Mining in science was very often connected with image processing. After processing 3+GB of images the data was analyzed for correlations and fundamental statistics were calculated (mode, standard deviation, quartiles, shape of the distributions). For multivariable data heat maps were drawn to better highlight the position of maximum density of data points. 2. Build Machine Learning models A Python script that takes your data and learns how to predict the result for future data to come. The simplest ones are linear and logistic regressions. Slightly more advanced include e.g. Random Forest Regressors. Nano- and microcomposites, which I researched, showed properties with very non-linear characteristics. Most often I worked with exponential decay, inverse square root, and occasionally with linear regression. 3. A/B testing Given 2+ sets of inputs (e.g. designs) and responses (e.g. revenue, # of returning users), I will analyze the data and tell you which solution is a better choice. I used A/B testing in scientific research for hypothesis verification. Given a significance level of alpha (usually 0.05) the p-value was calculated and it was assessed whether method A or method B produces better results, e.g. which growth conditions yielded a better crystal. 4. Extraction of data from websites (Requests, BeautifulSoup4, Selenium) If you have a public website you'd like to extract data for personal use, I can help you with that. I will deliver you the scraped data (e.g. in CSV format) or write a Python script that will Extract, Transform and Load the content for you. In my scientific career I used to write Web Scrapers to retrieve and analyze publication data (title, authors, affiliation, keywords, scientific field) using regular expressions, Pandas and Matplotlib

Cooking
Polish
Data Analysis
Materials Engineering
Polish to English Translation
Exploratory Data Analysis
Python
Data Entry
$30 hourly
Monika G.
- 5.0/5
- (2 jobs)
My main advantage is openness. I love trying new things, testing lifestyles and gaining knowledge. I am very motivated to cooperate. I am interested in psychology and how our brain works. In my free time, I also like chemical sciences. On a daily basis, I go to high school for medical class. In my life, I focus on self-development, taking care of my skin, face and body. I love cosmetics and my refined care routine.

Cooking
Cosmetics
Food
Health & Wellness
Lifestyle & Travel
Psychology
Self-Help
$25 hourly
Iga F.
- 5.0/5
- (403 jobs)
Fast, quality translations are my thing! I'm a full-time freelancer committed to delivering high quality translations. My goal isn't to just translate - it's to localize and make sure the end result sounds like it's always been written in the target language. Sometimes it means transcreating the source text, and this is where my writing abilities come into play. Added bonuses: - degrees in English Philology and Linguistics - certified teacher of English - Customer Service experience - creative thinking - If I don't know something yet, I'll research and learn!

Cooking
Website Localization
Customer Service
English to Polish Translation
Writing
Polish to English Translation
Teaching English
Polish
Website Translation
Translation
Proofreading
English
$35 hourly
Svitlana V.
- 0.0/5
- (1 job)
Hi! I’m a professional food photographer and recipe developer with 2 years of experience helping brands, bloggers, and small businesses create eye-catching, scroll-stopping food content. I offer a full-package solution — from original recipe development to styled photography — tailored to your visual identity and audience. What I can do for you: • Develop customized, copyright-safe recipes • Document the process (step-by-step, if needed) • Create high-resolution food images using Canon R5 + 100mm macro lens • Style food and create beautiful compositions with professional props • Edit and retouch images to perfection • Share previews during the shoot for your feedback In my home studio, I have a wide selection of cutlery, plates, backgrounds, and other props to fit a variety of visual styles — whether you’re aiming for rustic, minimal, cozy, or elegant. I value clear communication and always aim to understand your goals — so you get visuals that truly represent your brand and make your audience hungry for more. Let’s talk! Please send me a message before placing an order so we can make sure everything’s a perfect fit.

Cooking
Cookbook
Recipe Development
Food Photography
Commercial Photography
Product Photography
Photo Editing
Adobe Photoshop
$9 hourly
Katarzyna P.
- 0.0/5
- (0 jobs)
I love cooking, painting and drawing. I also recently started to sew and design clothes. I'm currently studying Spanish

Cooking
Writing
Embroidery
Painting
Drawing
$10 hourly
Tomasz Z.
- 5.0/5
- (1 job)
Hi ! I'm Tom.I'm passionate about accuracy and I'm a beginner with data entry. I also pay close attention to detail. In addition, I pick things up quickly and am able to easily adjust to new procedures and systems.

Cooking
Typing
Data Entry
$15 hourly
Agnieszka S.
- 0.0/5
- (0 jobs)
Welcome!:) My name is Agnieszka and I work as a freelancer. I create a small supporting graphic design projects and custom illustrations. In the meantime I also handle Polish to English and English to Polish translations. My hobby is vegan food - I love preparing it and take photos of the final dish. Maybe that’s something you’ll also need my help with too? Let’s get in touch and work together :) With best regards, Agnieszka

Cooking
Illustration
Food & Supplements
Travel Advice
Mental Health
Translation
Self-Help
Veganism
$6 hourly
Daniel S.
- 0.0/5
- (0 jobs)
I need money can do whatever it take to make some so pls send me jobs. Tell me what you need I I will do everything in my power to help.

Cooking
WhatsApp
Product Review
English
Polish
$25 hourly
Krystyna M.
- 0.0/5
- (1 job)
I am a dedicated Polish language teacher with several years of experience helping children and adults develop their language skills. I am studying cosmetology at the Higher School of Engineering and Health and management at the University of Warsaw. My strengths include an individual approach, effective teaching methods, and creating a positive learning environment. Passionate about languages, travel, and cultural exchange, I strive to make learning Polish both engaging and rewarding.

Cooking
Sports & Fitness
Motorcycle
Video Camera
Audio Recording
Translation
Film Editing
Computer
Communication Skills
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