I will perform original statistical analysis on your dataset

5.0
5.0

Egypt

I speak English, Arabic

129 orders completed

Gig Summary

Medical Research Expert

Hello! My name is Abdelaziz Abdelaal, a Clinical Research Scholar at Harvard Medical School (GCSRT Program). I am experienced in: (1) Clinical Research (2) Systematic Reviews / Meta-Analyses (3) Stat...

Level 2

Has met high performance criteria and has a proven track record for meeting client expectations.

About this Gig

I can help you analyze:

1- Your dataset / data sheet / collection sheet

2- Surveys / Questionnaires

3- Clinical trial datasets

4- Retrospectively collected charts or data

5- Prospectively collected data/charts


I can perform the following analyses:

1- Descriptive analysis

2- Inferential analysis:

  • comparing outcomes (either continuous, categorical, or dichotomous) between 2 or more groups with modifying the tests based on data distribution (normal / skewed).
  • Parametric testing
  • Non-parametric testing
  • Hypothesis testing
  • Analysis of proportions

3- Advanced statistical modeling:

  • Regression (Linear, Logistic, or Multiple) analysis
  • Stratification
  • Effect modification / subgroup analysis
  • Interaction terms
  • Survival analysis (Kaplan-Meier curves) - Cox Proportional Hazards Model
  • Prediction models (Nomograms)
  • Post-hoc test
  • Propensity-score matching
  • Residual analysis
  • Data transformation
  • Model building and assessing goodness of fit

4- Sample size calculation

5- Meta-analysis

6- Bonferroni correction for multiple testing

Programming language:

SPSS

Other

Technology:

Excel

Stata

Other

Analysis Type:

Quantitative Analysis

Statistical Analysis

Expertise:

Experiment design

Prediction

Probability

Statistics

Tools:

Other

Reviews

6 reviews for this Gig
5.0

(6)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • I
    image-docs

    iseror

    BR

    Brazil

    5

    This is my third time work with him. Great professional

    $50-$100

    Price

    5 months

    Duration

    Helpful?
    Yes
    No
  • S

    sulaimanalanazi

    US

    United States

    5

    great help

    $100-$200

    Price

    8 days

    Duration

    Helpful?
    Yes
    No
  • I
    image-docs

    iseror

    BR

    Brazil

    5

    Thank you for your outstanding work! Your statistical expertise and insights have been incredibly valuable and helpful. Great job!

    $50-$100

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • G

    glorialiu828

    GB

    United Kingdom

    4.7

    He mastered the skills of data analysis and are easy to work with. Greatly appreciate his work and will definitely recommend him to other researchers in need.

    $400-$600

    Price

    4 weeks

    Duration

    Helpful?
    Yes
    No
  • G

    glorialiu828

    GB

    United Kingdom

    5

    He is great in doing all the work

    $200-$400

    Price

    6 days

    Duration

    Helpful?
    Yes
    No
Reviews

6 reviews for this Gig
5.0

(6)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • I
    image-docs

    iseror

    BR

    Brazil

    5

    This is my third time work with him. Great professional

    $50-$100

    Price

    5 months

    Duration

    Helpful?
    Yes
    No
  • S

    sulaimanalanazi

    US

    United States

    5

    great help

    $100-$200

    Price

    8 days

    Duration

    Helpful?
    Yes
    No
  • I
    image-docs

    iseror

    BR

    Brazil

    5

    Thank you for your outstanding work! Your statistical expertise and insights have been incredibly valuable and helpful. Great job!

    $50-$100

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • G

    glorialiu828

    GB

    United Kingdom

    4.7

    He mastered the skills of data analysis and are easy to work with. Greatly appreciate his work and will definitely recommend him to other researchers in need.

    $400-$600

    Price

    4 weeks

    Duration

    Helpful?
    Yes
    No
  • G

    glorialiu828

    GB

    United Kingdom

    5

    He is great in doing all the work

    $200-$400

    Price

    6 days

    Duration

    Helpful?
    Yes
    No