Profile image of saraiva
@saraiva
Flag of Portugal Lisboa, Portugal
Member since February, 2011
1 Recommendations

saraiva

Expertise on Calculus, Algebra, Statistics, Data Analysis; Statistician/academic writer, proficient in data analysis using MatLab, R, Python and SPSS.

$20 USD/hr
33 Reviews
5.0
  • 81%Jobs Completed
  • 100%On Budget
  • 95%On Time
  • 21%Repeat Hire Rate

Recent Reviews

  • image of Reitzer Development of financial statistical tool from an academic paper $250.00 USD

    “Saraiva delivered this project on time and budget. Project was well documented. Output provided was completely inline with expectations. Recommended developer Would hire again”

    Reitzer Flag of Australia 1 year ago.
    • Statistics
    • Finance
    • Mathematics
  • image of Alsh0087 calculus 3 $30.00 USD

    “has done a great job and will hire again .”

    Alsh0087 Flag of United States 1 year ago.
    • Mathematics
  • image of na257 Data Analytics - repost 2 $166.00 USD

    “Excellent communication, thorough work and importantly completed on time. Recommend again.”

    na257 Flag of United Arab Emirates 1 year ago.
  • image of TopTalent89 Four Problems - Probabilities $59.00 USD

    “Excellent work once again! He is an expert!”

    TopTalent89 Flag of Romania 1 year ago.
    • Data Processing
    • Statistics
    • Mathematics
  • image of TopTalent89 Statistics assignment - 5 easy and short problems [Sealed]

    “He is just an expert! Hire him, you won't regret! All solutions were good, all steps described...He is just a guru, a subject matter expert! Highly recommended!”

    TopTalent89 Flag of Romania 1 year ago.
    • Statistics
    • Mathematics
  • image of AnnaBauer Custom Project Oct 03 2012 01:43:18 $130.00 USD

    “Excellent quality work”

    AnnaBauer Flag of Switzerland 2 years ago.

Education

BSc.

1995 - 2000 (5 years)

MSc.

2001 - 2004 (3 years)

PhD student

2010 - 2013 (3 years)

Badges

  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Regular

    Log in every day for 1 week.
  • Mover and Shaker

    Create 50 Milestones.
  • Perfectionist

    Receive 5-star ratings in 90% of your completed projects (minimum 10 projects).
  • Feedback Guru

    Receive 10 reviews
  • Smooth Operator

    Complete 10 projects on time.
  • The Verified

    Verify your payment method
  • US English Qualified

    Pass the US English Exam (Level 1)
  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • The Prospector

    Post your first project.
  • The Critic

    Post 10 Reviews.
  • The Economist

    Complete 10 projects on budget.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • The Collector

    Reach a balance of 5,000 credits.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • All Star

    Receive a 5-star rating for a project.
  • Smart Money

    Create 10 Milestones.
  • The Adventurer

    Complete your first project.
  • The Perfectionist

    Edited a bid.
  • The Seeker

    Bid on 20 projects.
  • Insta-Hire

    Use Hire Me to employ a Freelancer.
  • Mover and Shaker

    Create 50 Milestones.
  • The Collector

    Reach a balance of 5,000 credits.
  • Perfectionist

    Receive 5-star ratings in 90% of your completed projects (minimum 10 projects).
  • Smooth Operator

    Complete 10 projects on time.
  • The Economist

    Complete 10 projects on budget.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • All Star

    Receive a 5-star rating for a project.
  • Smart Money

    Create 10 Milestones.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Regular

    Log in every day for 1 week.
  • Feedback Guru

    Receive 10 reviews
  • The Verified

    Verify your payment method
  • US English Qualified

    Pass the US English Exam (Level 1)
  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • The Prospector

    Post your first project.
  • The Critic

    Post 10 Reviews.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • The Adventurer

    Complete your first project.
  • The Perfectionist

    Edited a bid.
  • The Seeker

    Bid on 20 projects.
  • Insta-Hire

    Use Hire Me to employ a Freelancer.

Exams

  • US English Level 1
    85%

My Top Skills

  • Statistics 35
  • Mathematics 28
  • Data Processing 7
  • Academic Writing 6
  • Education & Tutoring 3
  • Matlab & Mathematica 2
  • Analytics 1
  • Medical Writing 0
  • SAS 0

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