Last seen: Apr 10, 2014 5:10 PM EDT
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Stats and Maths experts - Freelance Consultant

Username: saraiva

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Location: Lisboa, Portugal

Member since: February 2011



(33 reviews)

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1 user has recommended this freelancer.

My projects:

  • $250 USD
    Profile image for Seller Reitzer


    Nov 6, 2013

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

    Project Description:Hello, I require someone with appropriate mathematical / statistical understanding to develop a tool outlined in an academic paper. The development is primarily built on principal components analysis...
  • $30 USD
    Profile image for Seller Alsh0087


    Nov 4, 2013

    has done a great job and will hire again .

    Project Description:I need assistance in my calc 3 HW its due within the next 5 hours if you are willing to help plz contact me . thx
  • $166 USD
    Profile image for Seller na257


    Oct 21, 2013

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

    Project Description:[This is a Private Project. You must be logged in to view the Project Description]
  • $59 USD
    Profile image for Seller TopTalent89


    Oct 15, 2013

    Excellent work once again! He is an expert!<br/>

    Project Description:Hi, I need help with my assignment. I have to solve four very short maths problems related to probabilities. These are very easy for someone who is expert at Mathematics. Deadline: 24 hours Please bid accordingly...
  • [Sealed]
    Profile image for Seller TopTalent89


    Oct 7, 2013

    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!<br/>

    Project Description:Hello, I need help with a statistics assignment which consists in 5 easy and short problems (of couse, the freelancer should have the needed knowledge). The deadline is 24 hours. It should take 2-3 hours for the right person...
  • $130 USD
    Profile image for Seller AnnaBauer


    Jan 4, 2013

    Excellent quality work<br/>

    Project Description:N/A
  • $40 USD
    Profile image for Seller LANGY


    Dec 26, 2012

    Expert in stats, very professional job

    Project Description:We need 2 assignments to be completed on Statistics. We&#039;ve been doing a simulated trading exercise for 17 days and we need to answer 10 questions in an Xcel sheet. Questions 1 to 7 are the same for both assignments...
  • $40 USD
    Profile image for Seller lilsnoopy


    Dec 7, 2012

    AMAZING FREELANCER!!!! Highly recommended. I come to him with all projects I may need help with. He is very capable in many different subject matters, and a great communicator. He gives prompt response and works efficiently. I am never disappointed by him. Thank you!!

    Project Description:I am looking for a knowledgeable individual who could easily do these problems in no more than an hour. The following low difficulty (Chapter 5) problems from the Engineering Statistics text book must...
  • $120 USD
    Profile image for Seller nickki76


    Nov 30, 2012

    Did a excellent job with my stats project. I am new to freelancer, and am still learning the ropes of this website. There was a miscommunication, and project was pushed after deadline. Will still hire in the future.

    Project Description:Copy of description of what needs to be done is included.Will need Powerpoint presentation with detailed notes for each slide. Hardcopy needs to be included. And first draft. Will be paid in milestone...
  • $50 USD
    Profile image for Seller akaresearch


    Nov 29, 2012

    Good communicators and delivered as requested

    Project Description:Hi Saraiva, I tried to reopen that project again and assign to you but for some reason it was revoked and I couldt reply to your posting. Anyway I have ned of quick and simple task if it can be done today...
    saraiva has not completed any projects.
  • $100 AUD In Progress

    University math project. See attachments for all details and data. 4 days deadline. ongoing regular work for reliable freelancers...

  • $400 USD 8 days ago

    I search for people for academic research project that want to collaborate in consume psychology

  • $250 USD 9 days ago

    Looking for assistance in formulating an algorithm based on a mathematical approach to measure social media influence. Part of dissertation.

  • $250 USD 9 days ago

    Internet Mobile Use Study - Data Analysis Questionnaire is provided along with an SPSS data file. An analysis plan should be submitted on the provided questionnaire and if the analysis plan is accepted, the analyst will be hired to provide the analysis and the top-line reporting of the project.

  • £23 GBP 9 days ago

    Hi everybody,Looking for somebody who could provide some knowledge or actual solutio to my calulations.They damn easy for experionced person, but for me its deep forest.Could somebody with good spss corelation knowledge contact me!Ill pay on spot!My skype is : pleskus48 like my nick name

  • $400 USD Mar 16, 2014

    Need help with a class I am taking

  • $750 USD Mar 14, 2014

    hello, developing statistical models to forecast future performance in nba & college basketball. i am looking for someone that have the folowing knowledge: 1. Quatitative Skills - statistical and mathematical technicques, statistics programs, data mining machine. 2. Technical Skills - statistical software system, as r/s plus, sas, spss, stata, maltab, and etc 3. personal Skills - Communication skills, both spoken and written, are important and under-rated. If you can explain what you’ve analyzed to someone who doesn’t have the same statistical training. thanks,

    saraiva does not have any open projects.
    saraiva does not have any work in progress.
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PhD student

Universidade Nova de Lisboa



Universidade Nova de Lisboa



Universidade de Lisboa