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I am building predictive genomic models from a large-scale SNP array dataset and would like a skilled collaborator to take ownership of the statistical side of the pipeline. The raw data have already been collected; what I now need is a rigorous analysis workflow that turns those variants into clear, reproducible insights. Before any modelling begins, the file will need a light round of quality assurance: filtering out low-quality calls, imputing missing genotypes, normalising across batches, and performing feature selection so that only informative loci move forward. Once this cleaned matrix is in place, the core assignment is to implement and interpret two complementary methods—regression analysis for association testing and principal component analysis for dimensionality reduction and structure correction. Deliverables . Most important point is to get binary classification of camels when predicted by the model with 90-95% accuracy. . Mismatches are permitted only in the case of borderlines not the extreme misclassification. • Reproducible scripts (R/Python or both) that perform the stated preprocessing steps • Well-commented code for regression models and PCA, including visual summaries of key outputs • A concise report or notebook explaining findings, parameter choices, and recommendations for the next modelling phase Everything should run on standard open-source libraries (e.g., tidyverse, Bioconductor, scikit-learn) so the pipeline can be handed over or scaled easily. If you have alternative tool preferences I am flexible, as long as the results are transparent and reproducible. I will provide the raw SNP files and existing metadata once we agree on the framework. Looking forward to collaborating with a bioinformatician who can move quickly from clean data to trustworthy statistics.
Projektin tunnus (ID): 40341822
96 ehdotukset
Etäprojekti
Aktiivinen 10 päivää sitten
Aseta budjettisi ja aikataulu
Saa maksu työstäsi
Kuvaile ehdotustasi
Rekisteröinti ja töihin tarjoaminen on ilmaista
96 freelancerit tarjoavat keskimäärin $525 USD tätä projektia

Hello, As a member of Live Experts, I believe my skills in data analysis, statistics, and machine learning will be a significant asset to your SNP Genomic Statistical Analysis needs. Our team is well-versed in executing comprehensive preprocessing steps on vast datasets, allowing us to cleanse your SNP array data with ease. Adding to that, our experience in using cutting-edge open-source libraries including R/Python for regression and PCA analysis aligns exceptionally well with the tools you prefer for this project. Moreover, we understand that deliverables are crucial to you and we always strive to exceed expectations. Hence, we assure you of thorough documentation and code that achieves both transparency and reproducibility of your project. We will not only deliver statistically significant results but also present them in an easily comprehensible format for informed decision-making - exactly what you need for your forthcoming modelling phase. Lastly, time is of the essence and our team has a proven ability to swiftly move from clean data to trustworthy statistics. Having already worked on similar projects involving large-scale datasets in the fields of genetics and bioinformatics, we deeply appreciate the value of precision and accuracy in genomic modelling. Let's join hands today and convert your raw data collection into impactful insights in order to achieve the essential goal - accurate binary classification! Thanks!
$750 USD 6 päivässä
8,5
8,5

i’ve done very similar recently building SNP pipelines with QC, imputation, PCA, and classification models in Python/R What format are your SNP files in, PLINK (bed/bim/fam) or VCF? Do you have class imbalance between camel groups that needs handling? I suggest using PLINK + scikit-learn pipeline with PCA-based correction, which reduces population structure bias and improves model accuracy. I also suggest applying feature selection with LD pruning and regularization, which avoids overfitting and keeps models stable. I will first run QC, filtering, imputation, and normalization. Then I will implement PCA and regression/classification with validation and tuning. Finally I will deliver reproducible scripts and a clear report with metrics and next steps. Best, Dev S.
$700 USD 10 päivässä
6,5
6,5

Hello, I’m a data scientist skilled in Python and statistical analysis, with experience turning raw data into actionable insights using tools like Pandas, NumPy, Scikit-learn, R, SPSS, and Excel. I can assist with data cleaning, analysis, modeling, visualization, and reporting—delivering clear, accurate results tailored to your goals. I’d be happy to discuss your project and get started right away. Best regards.
$300 USD 2 päivässä
6,4
6,4

As the founder and CEO of Web Crest, I bring to the table over a decade of experience transforming raw data into actionable insights using Python- precisely what your project requires. My team and I have specialized in AI automation, web and software development, mobile applications, UI/UX design, and cloud infrastructure, which all align well with your project's goals. We've constructed systems that employ the very same open source libraries your project depends on. Among my team works a group of skilled data scientists. Their expertise in Python means we can provide you with the expressive and reproducible scripts you need for quality assurance filtering, imputation, normalization, feature selection and the analysis workflow itself. What sets us apart is our unwavering commitment to creating future-proof solutions that facilitate easy handover or scaling; a promise we will gladly keep for your project. Lastly, I appreciate and understand how crucial clear communication and a transparent workflow are when dealing with complex projects such as yours. You can trust that at Web Crest, we hold these values as paramount předefining every step of our collaboration with our clients. With us on your side, you can be sure your project will not just be delivered within timeframes but exceed expectations in terms of quality and accuracy. Let us help transform your SNPs into impactful insights!
$700 USD 5 päivässä
6,5
6,5

Hello, I understand you need a rigorous SNP analysis pipeline that transforms raw genotype data into reliable, reproducible insights and achieves high-accuracy binary classification. I can take full ownership of preprocessing, statistical modeling, and validation using R/Python with a clear, research-grade workflow. I will implement QC (call rate, MAF, HWE), imputation, batch normalization, and feature selection before applying regression (logistic/regularized) and PCA for structure correction. The model will be optimized to reach 90–95% accuracy with strict control on misclassification, using cross-validation, class balancing, and threshold tuning. You will receive reproducible scripts (tidyverse/Bioconductor or scikit-learn), well-documented code, PCA plots, association outputs, and a concise report explaining methodology, parameters, and next-step recommendations. The pipeline will be scalable, transparent, and ready for extension. Thanks, Asif.
$750 USD 11 päivässä
6,0
6,0

Hi, I am a data analyst/statistician and Economist with more than 6 years of experience. I can do your project, Please take time to check my profile and then you decide to contact me.
$250 USD 3 päivässä
6,1
6,1

As an experienced data scientist with a profound understanding of genomic data, I am confident I can be the reliable collaborator you need. My broad range of skills includes expertise in statistical and quantitative analysis, exploratory data analysis (EDA), machine learning, and a deep understanding of various tools such as R/Python. With this, I ensure that your SNP dataset is handled meticulously through quality assurance, preprocessing for regression analysis and principal component analysis—culminating in precise reproducible insights. In naming speed as one of your desired traits from a freelancer, I must remark that it is one of my core competencies - I never compromise quality while still managing to work efficiently. Plus, with my utilization of standard open-source libraries, you have inherent scalability built into every script I produce. The ability to move swiftly from clean data to reliable statistics has always been my forte; thus, choosing me as your collaborator will ensure this project proceeds smoothly while delivering all the outlined components well within your timeframe.
$500 USD 7 päivässä
6,2
6,2

Hi, I'm a data analyst, statistician, and economist with over six years of experience. I understand the requirements of your project and have the skills to deliver high-quality results. To better tailor my approach, could you please review my profile for more details on my previous work and client feedback. Looking forward to your response. Best regards,
$300 USD 3 päivässä
5,8
5,8

I am confident that my expertise in Python, Statistics, Machine Learning, Mathematics, and R Programming Language align perfectly with the requirements of the SNP Genomic Statistical Analysis Support project. I am eager to collaborate and deliver accurate binary classification of camels with 90-95% accuracy. The budget can be adjusted as per the project scope, and I am committed to completing the tasks within your budget. Please review my 15-year-old profile for a comprehensive view of my work. I am ready to begin working on the project to showcase my dedication. Looking forward to discussing the details with you.
$473 USD 6 päivässä
5,6
5,6

Hi! I can take full ownership of the statistical genomics pipeline—from SNP QC and batch normalization to imputation, feature selection, and robust downstream modelling. I’ll implement reproducible R/Python scripts using Bioconductor/PLINK + scikit-learn, then run association-focused regression (with proper covariate adjustment) alongside PCA for structure correction and visualization. My focus will be on achieving a reliable camel binary classifier targeting 90–95% accuracy, minimizing extreme misclassification through careful thresholding and validation. Deliverables will include clean, well-documented code and a concise report/notebook with clear interpretations and next-step recommendations.
$250 USD 3 päivässä
5,6
5,6

Hi there, I am a Data Scientist and am a professional responsible for extracting actionable insights and knowledge from large volumes of data. As an experienced Data Scientist in the field of machine learning, I am highly proficient in Python and have a deep understanding of algorithms and data structures. My skills make me a great fit for your project as I can guide you through comprehensive coverage of data structures and algorithms while providing patient and thorough explanations. I have over 12-plus years of experience with Python Library Pandas, Karas, TensorFlow, NumPy, PyCharm, Py torch, Open CV, NLP, and others. With over a decade's worth of experience under my belt, including expertise in NLP, Neural Networks, CNNs, RNNs, LSTM, GANs just to mention a few, I can provide you not only with knowledge but also how to apply it efficiently. Partnering with me ensures you have a patient, knowledgeable and skilled tutor who is dedicated to your success in this field. My top priority is to provide a high quality of work, https://www.freelancer.com/u/GdevDataSceince Let's discuss this further via chat, and I'll start your project right now. Thanks Gdev
$250 USD 7 päivässä
5,8
5,8

Hi there! I’m Rabbia and while my profile may not directly outline it, I am more than capable of carrying out the SNP genomic statistical analysis support you need for this project. My expertise in data analysis and data science is what makes me a strong candidate for this job. Over the years, I have become highly proficient in R and Python, both of which are necessary for conducting the rigorous analysis your project requires. I have a solid understanding of SNP arrays and what goes into translating large-scale datasets into clear, actionable insights. The deliverables you've outlined align perfectly with my skillset: I can clean the raw dataset, conduct regression tests, implement PCA for dimensionality reduction and structure correction, provide thoroughly commented code as well as visual summaries to help you interpret these results effectively. Moreover, my penchant for working with open-source libraries (such as tidyverse, Bioconductor, scikit-learn) matches what you’re looking for - a transparent and scalable pipeline. My goal is to ultimately give you a dependable model that shows at least 90-95% accuracy in predicting camel classification. So let's surpass your scientific goals together and establish a trustworthy statistical foundation for your research!
$500 USD 2 päivässä
5,2
5,2

Hi, I’d be glad to collaborate on this analysis. I have professional experience as a freelancer working with statistical modeling, machine learning pipelines, and data preprocessing using Python and R. I can help build a reproducible workflow that handles SNP data quality checks, including filtering low-quality variants, handling missing genotype calls, batch normalization, and feature selection before modeling. From there, I can implement regression-based association analysis and PCA for dimensionality reduction and population structure correction, along with clear visualizations and interpretation of the results. My focus is on building transparent, well-documented code so the full pipeline can be reproduced and extended later. I can also provide a concise notebook-style report explaining the methodology, results, and recommendations. Happy to discuss the dataset and approach over DMs. With regards, Rojan Uprety
$450 USD 7 päivässä
5,0
5,0

Your 90-95% classification target is achievable, but SNP datasets fail at this accuracy when three things go wrong: batch effects corrupt the signal, low-MAF variants introduce noise, and population stratification creates false positives. I've debugged these exact issues in livestock genomics projects where misclassification wasn't random - it clustered around admixed individuals. Before building the pipeline, I need clarity on two technical constraints. First, what's your SNP density and sample size? A 50K chip with 200 camels requires different imputation strategies than a 700K array with 800 samples. Second, do you have known population structure or pedigree data? PCA will correct stratification, but if you're working with crossbred or geographically diverse animals, I'll need to implement ADMIXTURE or fastSTRUCTURE alongside standard eigenvector adjustment. Here's the workflow I'll implement: - PLINK + PYTHON: QC pipeline filtering SNPs below 95% call rate and MAF under 0.05, then LD-pruning at r² 0.8 to remove redundant markers that inflate model complexity without adding predictive power. - SCIKIT-LEARN + STATSMODELS: Logistic regression with L1 regularization to identify top-contributing loci, plus permutation testing to separate true associations from spurious hits caused by relatedness. - PCA + BATCH CORRECTION: Compute first 10 principal components and test whether they correlate with technical covariates (extraction date, plate ID). If batch explains more than 5% variance, I'll apply ComBat normalization before classification. - XGBOOST VALIDATION: Cross-validate the binary classifier using stratified 5-fold CV, then generate confusion matrices showing where borderline vs extreme misclassifications occur so you can assess biological vs technical failures. I've built similar pipelines for three agricultural genomics teams working with sheep, cattle, and goat SNP data. The difference between 85% and 94% accuracy usually comes down to proper LD pruning and catching cryptic relatedness that standard PCA misses. I don't start until we've aligned on your computational environment and confirmed your metadata includes the covariates needed for structure correction. Let's schedule a 20-minute call to review your data structure and nail down the QC thresholds before I write a single line of code.
$450 USD 10 päivässä
5,4
5,4

Hi, As per my understanding: You need a robust, reproducible statistical pipeline for SNP data that includes QA, feature selection, and modeling using regression and PCA, with the key goal of achieving 90–95% accurate binary classification of camels while minimizing extreme misclassification. Implementation approach: I will begin with data QC: filtering low-quality SNPs, handling missing genotypes (imputation), and batch normalization. Then, I’ll apply feature selection (variance filtering, LD pruning) to retain informative loci. PCA will be used for dimensionality reduction and population structure correction. For modeling, I’ll implement regression-based classification (logistic/regularized models) with proper validation (cross-validation, ROC/AUC). I’ll fine-tune thresholds to reduce extreme errors and ensure reliable classification. The entire workflow will be built in Python/R using reproducible scripts, with clear visualizations and a well-documented notebook/report for transparency and future scaling. A few quick questions: 1. What is the dataset size (samples × SNPs)? 2. Any known class imbalance in camel categories? 3. Preferred environment: R, Python, or hybrid? 4. Do you have predefined QC thresholds or should I define them?
$250 USD 7 päivässä
5,0
5,0

With a penchant for attention to detail and an analytical mindset, my team at Ali DataExperts is well-equipped to meet the unique challenges your project presents. Our expertise in Data Analysis and Data Science, paired with our proficiency in Python, make us the ideal choice for your SNP Genomic Statistical Analysis needs. We understand the importance of clean data as the foundation for accurate results; our services include precisely what you require: quality assurance, missing value imputation, normalisation, and feature selection.
$500 USD 1 päivässä
5,0
5,0

Hitting 90 to 95% binary accuracy for camels from your large SNP array is realistic, but only if QC, imputation and population structure are handled up front. I will deliver reproducible R and Python scripts (tidyverse, Bioconductor, scikit-learn) plus the concise notebook you requested. One thing not called out: batch effects or family relatedness can masquerade as signal and inflate apparent accuracy unless you use structure-aware CV or include PCs/covariates. I’ll guard against that so mismatches stay only on borderline cases. Relevant project: I recently built a breed-classification pipeline for cattle from a 60k SNP array. Using PLINK filters, Beagle imputation, PCA-based structure correction, ElasticNet plus XGBoost and nested CV, we shipped a reproducible R/Python notebook and hit 92% test accuracy. My approach: light QC (call rate, MAF, HWE), impute missing genotypes, normalize across batches, LD pruning and feature selection, run PCA and regression-based association tests, then build regularized classifiers with nested CV and calibration. All code well-commented and containerizable. Quick question: are camels balanced across batches and populations or should I plan for class imbalance and relatedness-aware cross validation, and can we hop on a 20 minute call to review a sample file? Regards, Zweidevs
$500 USD 7 päivässä
4,8
4,8

Drawing from over 6 years of experience in Machine Learning and Mathematics, I am equipped to meet your SNP genomic statistical analysis needs head-on. I have a keen eye for detail and understand the significance of rigorous quality assurance, data filtering, imputation, normalization, and feature selection - all essential for making sense of SNP genetic data. I am particularly proficient in regression analysis and principal component analysis (PCA) - the two methods you require for your project. Importantly, my analytical skills extend beyond just statistical analyses. I excel at delivering insightful findings, parameters explanations, and practical recommendations that drive successful future modeling phases. My aim is to provide you with not only accurate information but also actionable insights. My processes are transparent which means understanding them, analyzing future datasets independently or scaling your current pipeline won't be a challenge. Let me handle the hard work of statistical analysis so you can concentrate on translating genomic insights into better prediction models. Contact me now for a collaborative journey that will turn raw SNP data into trustworthy statistics for better decision-making!
$500 USD 7 päivässä
4,7
4,7

With my extensive background in programming and scripting languages, particularly in Python, I am confident that I possess the necessary skill set required for the SNP Genomic Statistical Analysis you seek. Over the past 7 years, I have engaged in numerous complex software development projects and implemented advanced statistical approaches. Throughout my career, I've worked mainly with clean data to its eventual conversion into insightful information and that kind of 'data-to-statistics' drive sets me apart. To wrap it up, I'm not just interested in delivering outputs but guaranteeing satisfactory results that match your expectations. My adaptability to different technologies over time ensures you a smooth working experience. Looking forward to providing a complete contributing service to transforming your raw SNP files into understandable and trustworthy readable statistics. Let's work together!
$250 USD 7 päivässä
6,2
6,2

Greetings! I’m a top-rated freelancer with 16+ years of experience and a portfolio of 750+ satisfied clients. I specialize in delivering high-quality, professional SNP genomic statistical analysis support services tailored to your unique needs. Please feel free to message me to discuss your project and review my portfolio. I’d love to help bring your ideas to life! Looking forward to collaborating with you! Best regards, Revival
$250 USD 7 päivässä
4,3
4,3

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