Quantitative Statistics

Study design, analysis & reporting for rigorous quantitative research

We help you plan analyses, validate assumptions, and present results that meet university and journal standards complete with reproducible code and submission-ready figures/tables.

Robust methods Reproducible code Journal-style outputs

What’s included

Analysis plan-hypotheses, variables, prereg-style outline (optional).
Data preparation-cleaning, coding books, missing-data strategy, assumptions plan.
Statistical analysis-from classical tests to regression, mixed models, and simple SEM.
Diagnostics & robustness-assumptions, effect sizes, sensitivity checks.
Reporting-publication-ready tables/figures & Methods/Results text.

Toolstack

R Python SPSS Stata Jamovi Excel

Design types

Experimental Quasi-experimental Observational Cross-sectional Longitudinal

Core methods

Descriptive & EDA

Distributions, outliers, transformations, visualization.

Classical tests

t-tests, ANOVA/ANCOVA, χ², non-parametrics with post-hoc.

Regression

Linear/logistic/Poisson/negative-binomial; interactions & diagnostics.

Mixed models

Repeated/clustered data (LMM/GLMM), random effects.

MANOVA/MANCOVA

Multivariate tests with assumptions & follow-ups.

Correlation & PCA

Pearson/Spearman; PCA for dimension reduction.

Intro SEM

Path models/CFA (intro), fit indices, modification checks (cautious).

Power & sample size

Prospective power, detectable effect sizes, attrition.

Quick reference

AreaExamplesNotes
AssumptionsNormality, homoscedasticity, independenceDiagnostics & remedies reported
Effect sizesd, r, η²/η²p, OR/RRWith confidence intervals
Multiple testsBonferroni, Holm, FDRControl family-wise or FDR as needed
Missing dataMCAR/MAR/MNARImputation/sensitivity as scope allows
ReproducibilityScripts, notebooksVersioned, commented, change log
ReportingAPA/AMA/IEEEJournal/conference specific styling

All choices (tests, corrections, models) are documented for transparent defense.

Engagement examples

Stats Checkup (8–12 hrs)
Starter

EDA + assumptions + quick tests + 2–3 figures/tables + notes.

Custom quote
Request proposal
Chapter-Ready (20–35 hrs)
Most popular

Full analysis + diagnostics + 4–6 figures/tables + write-up.

Custom quote
Request proposal
Advanced Models (45–70 hrs)
Deeper scope

Mixed models/intro SEM + robust checks + manuscript polish.

Custom quote
Request proposal

Pricing varies with data quality, model complexity, and turnaround. You’ll receive a clear plan after discovery.

Process & timeline

1Discovery

Aims, variables, design, style guide/journal requirements.

2Plan

Analysis plan + milestones + deliverables.

3Data setup

Cleaning, codebook, missing-data plan, backups.

4Analysis

Primary & sensitivity analyses with diagnostics.

5Reporting

Figures/tables + Methods/Results text.

6Handover

Scripts/notebooks, outputs, and change log.

Typical deliverables

  • Analysis plan with rationale and references
  • Cleaned dataset (as permissible) with data dictionary/codebook
  • Reproducible scripts (R/Python/SPSS/Stata) or annotated notebooks
  • Publication-ready figures and tables (DOCX/PNG/PDF/LaTeX)
  • Methods & Results write-up with effect sizes, CI, diagnostics, and limitations

FAQ

Yes we align tests/models to your question, design, and measurement scales, and explain the trade-offs.

Absolutely diagnostics are standard; we use robust or non-parametric alternatives when needed.

Yes. We report effect sizes with confidence intervals for interpretability.

We apply corrections (e.g., Holm/FDR) and explain the rationale in the write-up.

Yes prospective power/sample size or detectable effect size based on your design.

You receive all scripts/notebooks, plus a cleaned dataset when permitted.

DOCX, PDF, LaTeX for documents; CSV/XLSX/Parquet for data; R/Py/SPSS/Stata scripts.

Yes LMM/GLMM with random effects and appropriate covariance structures.

Small tasks: days; chapters/manuscripts: weeks with milestones agreed at kickoff.

By scope, data condition, model complexity, and turnaround. You’ll get a clear quote after discovery.

Start Quantitative Statistics support