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Technology & ProgrammingWriting & TranslationDesignDigital MarketingVideo, Photo & ImageBusinessMusic & AudioMarketing, Branding & SalesSocial Media

Analyze your data with multivariate statistics

$340
1
Delivery in
3 days
Rating
100%
(1 review)
Response time
Instantly

  • Views 712
  • Sales 1
Amount of days required to complete work for this Offer as set by the freelancer.
Rating of the Offer as calculated from other buyers' reviews.
Average time for the freelancer to first reply on the workstream after purchase or contact on this Offer.
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What you get with this Offer

Often we are interested in the response of more than one variable or measure to a stimulus. For example, we may measure more than one attribute to quantify a customer profile. Combined indices may not fully represent patterns we are interested. Tests of significance of differences between groups may no longer independent. This is the realm of multivariate statistical analysis.
If you have- or think you have – a multivariate data set that need to be analyzed then this hourly is for you! I will assess your data set, suggest the appropriate analyses, carry them out and explain the answers to you in a clear and intuitive way.
I can provide:
- Multivariate ordinations (unconstrained) including Principal Components Analysis, Correspondence Analysis, non-metric Multidimensional Scaling
- Constrained ordination analyses including Canonical Correlation, Canonical Correspondence Analysis, Redundancy Analysis, Canonical Discriminant/Variate Analyses, Canonical Analysis of Principal Coordinates (Capscale)
- Partial forms of all constrained
- Hierarchical cluster analysis
- k-means cluster analysis
- Formal hypothesis testing using Multivariate Analysis of Variance, Permutation MANOVA (PERMANOVA) and randomization

For this hourly I will provide:
- A narrative of the methods, analysis and results. What approach I took/recommend, and Why I recommend it
- Results tables, and a description of the take-home messages
- Graphs of diagnostics to test analysis assumptions, if required, and graphs of key results
- R code for all analyses, and data files of key analysis output for you to graph if you wish
Typical delivery time will be 3 days after receiving data in a readable format
I can provide final publication/report quality write-up and graphs as an extra.
Please contact me before purchasing this hourly, so that I can ensure I can provide the service you need. If you wish to proceed, send me a sample of the data so I can make sure I can read it into R before starting. No charge….

Get more with Offer Add-ons

  • I can provide final publication/report quality write-up and graphs

    Additional 3 working days

    +$171

What the Freelancer needs to start the work

Buyer will send:
- A description of the questions/hypotheses, overview of the data variables and some indication of how they were collected. The more information, the better.
- The data in CSV format. I will need to ensure it is in a format I can import into R

I will ask for clarification if required, send the initial product. and allow a couple of rounds of discussion and amendment to make sure you receive what you wanted.

Reviews (1)

  • 15 Dec 2019 Ramal G.
    Ramal G.
    Dublin, Ireland

    Craig was excellent to work with. He replied on a Sunday night and the work was done promptly. I will definitely come back in the future.

1975710
$340
1
Delivery in
3 days
Rating
100%
(1 review)
Response time
Instantly

  • Views 711
  • Sales 1
Amount of days required to complete work for this Offer as set by the freelancer.
Rating of the Offer as calculated from other buyers' reviews.
Average time for the freelancer to first reply on the workstream after purchase or contact on this Offer.
Craig S.
Craig S.
Statistician, data analyst and ecologist

My background is in ecological research: using advanced numerical methods to address ecological problems. I received my PhD in 1998, and have worked as a biostatistician and ecologist...Read moreMy background is in ecological research: using advanced numerical methods to address ecological problems. I received my PhD in 1998, and have worked as a biostatistician and ecologist at a range of universities and government institutes in Australia and California. As a statistician I have consulted widely for students, academics, and State and Federal research scientists and agencies. I have taught sampling and experimental design and statistical analysis courses in several countries using SAS, R, Statistica, Systat and SPSS. I have over 50 peer reviewed publications, and am an experienced reviewer for a range of journals.

As a researcher I will provide you with not only the end product, but also the reasoning behind the analytical decisions, and potential alternative approaches. Where necessary, I will write a formal description of results suitable for a report or journal publication. I am experienced in analyzing data from many different disciplines, so can work with anything from business data, through to questionnaires, to conventional sampling data.

I have a wide range of experience in analytical approaches including:
- Advanced sampling and experimental design;
- Generalized (including Generalized Additive Models) linear modeling;
- Generalized Linear Mixed-Effects Modeling;
- Multivariate ordination (unconstrained and constrained) and clustering;
- Spatial autocorrelation, Semivariance and Geostatistical analyses;
- Classification and Regression trees (including bagging, boosting and random forest approaches);
- Non-linear and segmented regression;
- Overdispersed, zero-inflated and hurdle models;
- General randomization approaches

I primarily work in R, however I have taught SAS, Statistica, Systat and SPSS. I do not have working copies of these programs, but I am happy to go through the output of any analyses you may have run to help you with interpretation. I can generate RShiny interactive analytical pages, so you can maintain an online expert system of the analyses you need to use on a regular basis.

Additionally, while not my main field of expertise I can construct databases using MariaDB/MySQL, write custom SQL queries as part of the package. All I need is the list of users and the CSV files of the data, and either a means of connecting to your server or I can send the SQL code for you to run yourself.

If you would like to use my services, please send me a message and we can arrange a call to discuss your project, what you would like from it - simply to make sure we are on the same page. It is important for me to understand the ‘why’ of the project, so I can deliver the ‘how’ and the final result.

I look forward to hearing from you

United Kingdom
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  • Every Offer is a fixed price job to ensure that you never worry about any hidden extras.You pay only the list price no matter how much time the Freelancer spends.

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  1. You buy an Offer and your payment is held in escrow
  2. You contact the Freelancer and specify your requirements
  3. Work is delivered
  4. If you are happy you release the money to the Freelancer
Read more
  • You buy an Offer and your payment is held in escrow;

    This keeps it secure until work is delivered. You pay only the list price no matter how much time it takes the Freelancer to complete.

  • You contact the Freelancer and specify your requirements.

    This is when you can make your Offer completely bespoke to your business.

  • Work is delivered.
  • You release the money to the Freelancer.

    In the unlikely event that you're not completely happy with the work done, we will refund the full amount directly to you.


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