
Open
Posted
•
Ends in 12 hours
Paid on delivery
I oversee a cricket league that assigns 50 umpires to as many as sixteen matches each season. After every game both team captains complete an online survey, giving each on-field umpire a 1–5 rating and the option to add open comments. We also log the match result and note any disciplinary reports that arise. I need a statistician who can tell me—with evidence—whether these ratings are systematically influenced by a team’s result (win / loss) or its disciplinary record. In short, do victorious captains reward umpires with higher scores and do sanctioned teams punish them with lower ones? The conclusions will directly affect how we promote or retain our officials, so the analysis must be rigorous and clearly communicated. You will receive this season's data set containing game IDs, the two teams, the two umpires, win/loss flag, disciplinary flag, numeric ratings and any text comments. Using the toolset you prefer—R, Python (pandas, statsmodels), SPSS, or similar—please: • quantify the presence (or absence) of rating bias linked to match outcome and disciplinary incidents • control for repeated measures (same umpire, same team) so results are robust • summarise findings in a concise report with visualisations and plain-language conclusions • recommend any adjustments to our feedback process that would reduce bias going forward If additional data preparation is needed, let me know early so I can supply it.
Project ID: 40461891
42 proposals
Open for bidding
Remote project
Active 10 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
42 freelancers are bidding on average £125 GBP for this job

Hi there, I understand you need a rigorous statistical analysis to determine whether umpire ratings are systematically influenced by match outcomes and disciplinary incidents rather than actual officiating quality. I am confident I can deliver a clear, evidence-based analysis that quantifies any rating bias while ensuring the conclusions are statistically robust. My approach will be to clean and structure the dataset, then apply mixed-effects statistical modeling in R or Python to evaluate whether winning teams give higher ratings and whether disciplined teams assign lower scores. The analysis will control for repeated measures such as recurring umpires and teams, ensuring the findings are reliable and not distorted by repeated observations. I can also review the open-text comments to identify recurring themes linked to rating patterns. The deliverable will be a concise professional report with statistical findings, visualizations, plain-language conclusions, and practical recommendations to improve the fairness and reliability of the feedback process going forward. If needed, I can also provide the full analysis code for transparency and future reuse. Do you already have the ratings, match outcomes, and disciplinary data combined into one dataset, or will merging multiple files be part of the project? I’m ready to start immediately. Warm Regards, Aneesa.
£100 GBP in 1 day
6.9
6.9

Hello, I hope you are doing well. I hold a master's degree in Statistics from a renowned university. I am a well experienced statistician. I have good command over popular statistical software i.e., Excel, SPSS, RStudio, Jamovi, and Stata (please visit my profile to check reviews for my past projects). I have reviewed and understood your requirements, I can help you with this project. Please feel free to ask me, if you have any queries.
£250 GBP in 4 days
6.7
6.7

Hi, I hope you’re doing great With my statistics background, I can test whether umpire ratings are biased by match outcome or disciplinary records using a rigorous mixed-effects analysis. I would run exploratory checks, win/loss rating comparisons, disciplinary vs non-disciplinary comparisons, regression models, and mixed-effects models controlling for repeated teams, umpires, and games. I can also test interaction effects, such as whether losing plus disciplinary sanctions leads to especially lower ratings. The final report will include effect sizes, p-values/confidence intervals, clear visuals, and plain-language conclusions on whether captains systematically reward or punish umpires, plus practical recommendations to improve the feedback process. I’d be happy to chat more to exchange further details and dataset. Best,
£100 GBP in 3 days
6.4
6.4

Hey! I have gone through your project description carefully. I have completed an MPhil in Statistics and have strong expertise in statistical analysis, data interpretation, and research reporting. I also have solid command over Excel, Python (pandas, statsmodels), SPSS, and R for advanced data analysis and visualization. I have previous experience working on descriptive analysis, regression models, mixed-effects models, and repeated-measures data analysis. For your cricket league project, I can rigorously evaluate whether umpire ratings are systematically influenced by match outcomes (win/loss) and disciplinary incidents while properly controlling for repeated observations from the same umpires and teams. I will provide: • A robust statistical analysis with evidence-based conclusions • Proper modeling to control for repeated measures and potential bias • Clear visualizations and concise reporting in plain language • Insights into whether winning teams reward umpires or sanctioned teams penalize them in ratings • Practical recommendations to improve and reduce bias in the feedback process going forward I can deliver accurate, high-quality work within the required timeline and ensure the findings are communicated clearly and professionally. Looking forward to your response. Thank you.
£30 GBP in 1 day
6.4
6.4

You'll get a rigorous, evidence-backed answer to whether match result or disciplinary record systematically biases your umpire ratings, communicated in plain language you can act on. → Mixed-effects modelling to quantify outcome and disciplinary bias while controlling for repeated measures (same umpire, same team) → Descriptives, visualisations, and significance testing so the effect size, not just the p-value, is clear → A concise report with conclusions and concrete recommendations to reduce bias in your feedback process I work in statistical analysis and modelling regularly, with an MSc research background and a co-authored Elsevier book chapter on AI and ML methods, so repeated-measures designs are familiar ground. How many total ratings are in this season's set, and would you like the open-text comments analysed for sentiment alongside the numeric scores? Ready to start.
£135 GBP in 1 day
5.6
5.6

Hello, I understand how crucial fair, evidence-based evaluations are for promoting and retaining umpires in your cricket league. I’ll design a rigorous analysis using Python (pandas, statsmodels) to determine whether team results (win/loss) or disciplinary events systematically influence umpire ratings, while accounting for repeated measures (the same umpire across multiple games and the same teams). The data you described, game IDs, teams, umpires, win/loss, disciplinary flags, numeric ratings and comments, is well suited to a mixed-effects model with random intercepts for umpire and club, and fixed effects for match outcome and disciplinary flags, plus controls for season and match-level covariates. This approach yields interpretable effect sizes and robust p-values, separating genuine bias from natural rating variability due to individual umpires or team contexts. Deliverables include: a concise, plain-language report with clear visuals (factor effects, confidence intervals, effect sizes), annotated code, and practical recommendations to minimize bias in your process. If any data preparation is needed, I’ll flag it and propose a minimal, efficient schema to handle missing comments or inconsistent labels. What is your preferred threshold for practical significance (e.g., smallest effect size of interest) to determine whether rating bias should trigger changes to evaluator procedures or promotion criteria? Best regards,
£150 GBP in 1 day
5.4
5.4

Hello sir, Did go through your job description and glad to share that I have enormous experience in working with Analyse Umpire Feedback Bias I'm a seasoned programmer and Engineer with quality experience in Flutter, React, Node.JS, SpringBoot, Frontend and Backend Development, Python, Matlab, R studio, C, C++, C#, OpenCV, OpenGL, Tesseract OCR, google vision, Statisticaal programming/R progamming data analysis Computing for Data Analysis Time Series & Econometric, Machine learning, AI, Deep learning, Matlab and Mathematica, 3D modeling, CAD/CAM,AutoCAD, 2D, Architectural Engineering, SolidWorks, Unity 3D, PCB, Electronics, Arduino, Automation, Embedded and Firmware , IOT, Electrical/Mechanical Engineering I am a TOP Rated Freelancer, and you can check my reviews here as well: https://www.freelancer.com/u/mzdesmag. Looking forward to potentially working together on this project. Thanks and Best regards, Adekunle.
£20 GBP in 1 day
4.8
4.8

Your concern that match outcomes and disciplinary history may systematically skew captain-submitted umpire ratings is a classic repeated-measures bias problem, and I've tackled very similar nested designs in sports and survey analytics. Using Python (pandas, statsmodels), I'll fit mixed-effects ordinal regression models with umpire and team as random intercepts, letting us isolate the true effect of win/loss and disciplinary flags while accounting for the fact that the same captains and umpires appear across multiple matches. I'll complement the quantitative analysis with sentiment coding of the open comments and deliver a clear, visual report with actionable recommendations for tightening your feedback process. I can start immediately—just share the dataset and I'll flag any prep needs upfront.
£20 GBP in 1 day
4.8
4.8

I've done almost this exact kind of analysis recently — modelling rating bias in survey data while controlling for repeated measures from the same raters. The right tool here is a mixed-effects model, not a simple t-test. I'd fit an ordinal or linear mixed model with rating as the outcome, win/loss and disciplinary flag as fixed effects, and random intercepts for umpire and team — that's what controls for the same umpire being rated repeatedly and the same team rating repeatedly, so the result isn't inflated by clustering. I'd run it in R (lme4/ordinal) or Python statsmodels, report effect sizes with confidence intervals, and check whether any bias is statistically and practically meaningful, not just significant. The text comments I'd score for sentiment as a secondary signal. Findings come as a concise report with clear visuals, plain-language conclusions, and process recommendations to reduce bias. Happy to talk through the model on a quick call. Best, Dev S.
£250 GBP in 5 days
4.8
4.8

Hello, I’ve carefully reviewed your project and understand that you need a statistically rigorous analysis to determine whether umpire ratings are biased by match outcomes or disciplinary incidents while properly accounting for repeated evaluations involving the same teams and umpires. I have experience with: • sports/performance data analysis, • statistical modeling and bias detection, • repeated-measures and mixed-effects analysis, • and presenting findings in clear, decision-focused language. Using Python, R, or similar tools, I can: • test whether winning teams consistently assign higher ratings, • evaluate whether disciplinary actions correlate with lower scores, • control for repeated observations involving the same teams and umpires, • identify statistically significant effects versus normal variation, • and summarize the results with visualizations and practical recommendations. Deliverables can include: • cleaned/prepared analytical dataset, • reproducible analysis workflow/code, • concise report with charts and interpretation, • and recommendations to reduce feedback bias going forward. My focus will be on methodological rigor, transparency, and actionable conclusions that support fair umpire evaluation decisions. Ready to begin once the dataset and survey structure are shared. Best regards.
£20 GBP in 1 day
4.1
4.1

As an actuarial graduate with a specialization in data analytics, and extensive experience in financial modelling, risk analysis, and data-driven decision making, I can offer unique skills to tackle the complexity of this project. The ability to combine statistical rigor with a practical approach that you need is an area where I excel. My internship exposed me to real-world scenarios in which I had to deliver clean outputs, informed by sound assumptions that allowed my clients to make actionable decisions. I will bring precisely this same sensitivity to your project. Using the tools you prefer - R, Python, or Excel - I will help not only quantify the influence of biased ratings but also control for repeated measures, ensuring robust results. This includes analyzing the ratings vis-a-vis match outcomes and disciplinary incidents while mulling over factors like team performance and the umpire themselves. Drawing from my corporate risk modeling experience, I comprehend well that the recommendations I make have tangible consequences for your league's official management processes. With that said, you can trust my analysis will be thorough and concise, accompanied by intuitive visualizations and plain-language summaries. In addition to my findings on bias correlation between various factors, I will add suggestions to improve future feedback processes for a more equitable assessment of our umpires going forward.
£50 GBP in 7 days
3.6
3.6

Rating bias in cricket umpire evaluations presents a statistical challenge: captains' assessments are nested within umpires and teams across multiple matches, creating correlated observations that standard regression ignores. This analysis requires mixed-effects modeling to isolate outcome and disciplinary effects while accounting for repeated measures. The approach will employ multilevel regression in R or SPSS, modeling ratings with match outcome and disciplinary flags as fixed effects, and random intercepts for umpires and teams to capture their inherent variance. Visualization will include residual diagnostics, effect plots, and confidence intervals to establish whether bias exists and its magnitude. Deliverables include a technical report quantifying bias coefficients with p-values and 95% CIs, plain-language summary for stakeholder communication, and actionable recommendations—such as anonymizing team identities in surveys or weighting feedback by umpire consistency—to reduce systematic distortion. Data preparation will be confirmed immediately upon receipt. Timeline and revisions are flexible to ensure rigor appropriate to staffing decisions.
£20 GBP in 1 day
3.8
3.8

Hi,I am a seasoned Applied Data Scientist(6+ yoe)& I can help you run a rigorous,evidence-based analysis to test whether umpire ratings are biased by match outcome or disciplinary incidents,while controlling for repeated ratings from the same teams & umpires. Proposed Approach: -Data Prep & EDA:Clean the dataset & analyze rating distributions across match outcomes (win/loss) & disciplinary flags. -Statistical Modeling:Deploy mixed-effects & ordinal regression models to isolate true umpire performance from systematic team bias (retaliation for sanctions or losses). -Text Analytics:Apply NLP sentiment analysis to extract themes from open comments & correlate them with specific match events. -Validation & Visuals:Ensure robustness via sensitivity checks & generate clear structural visualizations (confidence intervals,adjusted rating plots). -Reporting:Deliver a concise,plain-language summary with actionable recommendations to refine the evaluation process. Relevant Experience: -Analytics & Modeling:Engineered sports analytics,rating-bias evaluations & behavioral models using repeated-measure datasets & mixed-effects modeling -Technical Toolkit:Leveraged Python (Pandas,Scikit-learn,Statsmodels) for clustering,text analysis & stakeholder-facing data visualization Final Deliverables: -Output: Cleaned datasets,reproducible notebooks,statistical visualizations & actionable recommendations for fairer umpire evaluations
£100 GBP in 7 days
3.1
3.1

As a seasoned Data Scientist with extensive experience and comprehensive skills in statistical analysis, I can confidently offer exactly what you need for this project. My knowledge and fluency with tools such as R, Python (including pandas, statsmodels), and SPSS align perfectly with your requirements. I am adept at analyzing large datasets using libraries like Pandas and NumPy, proficient in deploying machine learning models using Scikit-learn, TensorFlow, and Keras proficiently.
£135 GBP in 2 days
2.3
2.3

Your dataset has a clear repeated-measures structure — same umpires and teams across multiple matches. A standard regression won't cut it. I'll use mixed-effects models (Python statsmodels or R lme4) to properly control for those correlations and give you defensible answers. Plan: 1. Mixed-model 1 — rating ~ win/loss + (1|umpire) + (1|team). Quantifies bias from match outcome while accounting for umpire/team baselines 2. Mixed-model 2 — rating ~ disciplinary_flag + win/loss + (1|umpire). Isolates disciplinary effect 3. Visual diagnostics — residual checks, random effect distributions, coefficient plots 4. Report — concise document (PDF/MD) with tables, figures, and plain-English conclusions tied to your promotion/retention decisions 5. Recommendations — concrete suggestions to reduce bias in your feedback process Deliverables: reproducible .py/.R code, assumption checks reported, clean report. I hold a DataCamp Machine Learning Engineer certification and previously won a Data Analysis Contest with a 5-star review. Your data is already collected — I'll extract the truth without overcomplicating it.
£90 GBP in 1 day
1.8
1.8

Hello, I’m interested in helping analyze your cricket league umpire ratings data and identifying whether match outcomes or disciplinary incidents are influencing captain evaluations. I have experience working with statistical analysis, structured datasets, Python based analytics workflows, and reporting findings in a clear and practical way. What I Can Deliver Analysis of whether winning teams systematically provide higher ratings Investigation into whether disciplinary incidents correlate with lower umpire scores Statistical modeling that controls for repeated measures such as the same umpire or same team appearing across multiple matches Clear visualizations and concise explanations of findings Recommendations for improving fairness and reducing feedback bias in future evaluations Tools Python, pandas, statsmodels, matplotlib Optional support for R based workflows if preferred Approach Data cleaning and preparation Exploratory analysis of ratings and match patterns Mixed effects or repeated measures modeling for robust conclusions Bias detection and interpretation in plain language Final report summarizing methodology, results, and recommendations Deliverables Clean statistical analysis workflow Charts and visual summaries Concise written report with actionable conclusions. Ready to begin once the dataset is available. Best regards.
£20 GBP in 7 days
1.4
1.4

Hi There, I can deliver a rigorous statistical analysis to determine if team results or disciplinary actions systematically bias umpire ratings. My extensive experience in data science, advanced Python analytics, and structured database management ensures your insights will be statistically sound and actionable. I will use Python (pandas, statsmodels) to build mixed-effects regression models. This approach properly controls for repeated measures—accounting for variations across the same umpires and teams over sixteen matches—to isolate true bias. I will quantify the exact impact of wins, losses, and sanctions on the 1–5 ratings, backed by hypothesis testing and clear confidence intervals. You will receive a concise report with plain-language conclusions and professional visualizations mapping these relationships. I will also provide data-driven recommendations to refine your survey process and mitigate feedback bias for future umpire promotions. To begin immediately, please share the dataset schema or any preliminary formatting guidelines. Let's contact to discuss details. Solution Vector Roman Khakhula
£110 GBP in 7 days
0.8
0.8

Hi, This is exactly the kind of rigorous statistical problem I enjoy — isolating systematic bias in ratings data while controlling for the repeated-measures structure that makes naive averages misleading. My approach: - Mixed-effects regression (R or Python/statsmodels) with umpire and team as random effects, controlling for repeated observations across the season - Separate models for win/loss bias and disciplinary incident bias - Interaction effects to check whether the two factors compound - Visualisations showing rating distributions by outcome group, umpire-level variation, and any outlier patterns - Plain-language report with actionable recommendations for your feedback process A few quick questions: 1. How is the data structured — one row per umpire per match, or one row per captain rating? 2. Are there any covariates you'd like to control for (e.g. umpire experience, home/away, division)? 3. Do you need the open-text comments analysed for sentiment as well? Ready to start as soon as I receive the dataset. Best, Ann-Christin
£150 GBP in 5 days
0.9
0.9

I can deliver a clean, bias-quantified analysis within 5 days using Python with mixed-effects models to handle the repeated umpire/team measures. I'll focus on isolating the win/loss and disciplinary flag effects while controlling for umpire and team variance, then present the findings with clear visuals and plain-language recommendations. Do you want the model to treat disciplinary reports as a binary flag or severity-weighted score?
£266 GBP in 5 days
0.0
0.0

Hello [ClientFirstName], I hope you are well. I’m a seasoned data analyst with a strong track record in sports analytics and evidence-based decision support. I translate complex datasets into clear insights and practical recommendations, using Python (pandas, statsmodels) or R to build robust models and visuals that non-technical stakeholders can trust. I will model rating biases linked to match outcomes and disciplinary events, while accounting for repeated measures by umpire and team. I will perform fixed-effects or mixed models, check robustness with sensitivity tests, and present concise visual summaries and plain-language conclusions. I’ll also propose concrete tweaks to your feedback workflow to minimize bias going forward. If you’d like, I can start with an initial exploratory analysis and a reproducible report within a week, with visuals and actionable recommendations. I’m ready to tailor data prep as needed. Best regards, Billy Bryan
£150 GBP in 1 day
0.0
0.0

Harrow, United Kingdom
Member since May 22, 2026
₹750-1250 INR / hour
£10-15 GBP / hour
$10-11 CAD
$30-250 USD
₹600-1500 INR
£20-250 GBP
$250-750 USD
$5000-10000 USD
$30-250 USD
₹3249-3250 INR
₹750-1250 INR / hour
£20-250 GBP
₹600-1500 INR
₹1500-12500 INR
£250-750 GBP
$2-8 USD / hour
$15-25 USD / hour
$30-250 USD
₹12500-37500 INR
£10-20 GBP