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$
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I will calculate sample size and power analysis for epidemiological research
Research, Healthcare, Statistics, Data Analysis
Hi, I'm Younes (Ph.D.). Research Expert, epidemiologist, and data analyst with experience (6+ Years) in research , biostatistics, questionnaire validation, and data analysis.
Whether you are working ...
About this Gig
Planning a public health, clinical, or epidemiological project and unsure which study design, sample size, or statistical approach is appropriate?
I am an epidemiologist, PhD, public-health researcher, and university instructor. I provide methodological consultation tailored to your research question.
I can help with:
Sample size calculation and power analysis
Cross-sectional, case-control, cohort, diagnostic, or intervention study design
Sampling strategy and variable definition
Outcomes, exposures, confounders, and bias
Statistical analysis plans: chi-square, t-test, non-parametric tests, regression, survival analysis, and more
Clear justification of assumptions and methods
Tools: R, Epi Info, MedCalc, SPSS, Excel, and validated epidemiological formulas.
You receive a clear report explaining what was calculated, which assumptions were used, and why the method fits your study.
English | French | Arabic
24-hour Basic delivery.
Please message me before ordering if your design is complex.
My Portfolio
FAQ
What information do you need to calculate my sample size?
I usually need your research objective, study design, primary outcome, target population, and any available estimate such as expected prevalence, standard deviation, or previous research.
Can you help if I do not know which study design to use?
Yes. Send me your research question, objectives, target population, and intended outcomes. I can review them and recommend an appropriate epidemiological design and explain the reasoning.
Which types of studies can you support?
I can assist with cross-sectional studies, surveys, case-control studies, cohort studies, diagnostic-accuracy studies, intervention studies, prevalence studies, comparative studies, and other quantitative epidemiological designs.
Which software do you use?
Depending on the design, I work with R, Epi Info, MedCalc, SPSS, Excel, and established statistical and epidemiological formulas.
Will you explain the sample-size calculation?
Yes. I do not simply provide a number. I document the assumptions, parameters, calculation approach, and interpretation so that the result is reproducible and understandable.
Can you also analyze my data after data collection?
Yes. Data analysis is available through my separate medical and healthcare SPSS/R Gig. This Gig focuses mainly on planning, sample size, study design, and statistical analysis strategy.
