The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for Data Analysis skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Analysis over the 3 months to 29 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Data Analysis
London > Croydon
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 48 38 24
Rank change year-on-year -10 -14  
Contract jobs citing Data Analysis 4 4 3
As % of all contract IT jobs advertised in Croydon 1.84% 1.61% 2.13%
As % of the Processes & Methodologies category 1.99% 1.79% 2.31%
Number of daily rates quoted 1 4 3
Croydon median daily rate £488 £450 £400
Median daily rate % change year-on-year +8.33% +12.50%  
10th Percentile £481 £362 £340
90th Percentile £494 £484 £510
London median daily rate £475 £450 £438
% change year-on-year +5.55% +2.85%  
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
London median hourly rate £19.82 £17.50 £23.12
% change year-on-year +13.25% -24.29%  

Data Analysis is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Croydon with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Croydon
Contract job vacancies with a requirement for process and methodology skills 201 223 130
As % of all contract IT job vacancies advertised in Croydon 92.63% 89.56% 92.20%
Number of daily rates quoted 491 667 379
Croydon median daily rate £500 £418 £400
Median daily rate % change year-on-year +19.76% +4.37%  
10th Percentile £375 £305 £240
90th Percentile £588 £563 £538
London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.55%  
Number of hourly rates quoted 0 18 3
Croydon median hourly rate - £21.00 £27.78
Median hourly rate % change year-on-year - -24.40%  
London median hourly rate £26.50 £21.00 £21.69
% change year-on-year +26.19% -3.18%  

Data Analysis
Job Vacancy Trend in Croydon

Job postings citing Data Analysis as a percentage of all IT jobs advertised in Croydon.

Job vacancy trend for Data Analysis in Croydon

Data Analysis
Contractor Daily Rate Trend in Croydon

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Data Analysis in Croydon.

Contractor daily rate trend for Data Analysis in Croydon

For the 6 months to 29 June 2017, IT contractor jobs citing Data Analysis also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Croydon region with a requirement for Data Analysis.

1 5 (83.33%) XML
2 4 (66.67%) SQL
2 4 (66.67%) Star Schema
2 4 (66.67%) Validation
2 4 (66.67%) Data Quality
3 3 (50.00%) sed
3 3 (50.00%) SAS Macro
3 3 (50.00%) SQL Optimisation
3 3 (50.00%) PostgreSQL
3 3 (50.00%) Scrum
3 3 (50.00%) AWK
3 3 (50.00%) ETL
3 3 (50.00%) SAS
3 3 (50.00%) Greenplum
3 3 (50.00%) SAS Enterprise Guide
3 3 (50.00%) Data Integration
3 3 (50.00%) SC Cleared
3 3 (50.00%) Security Cleared
3 3 (50.00%) PowerShell
3 3 (50.00%) Agile Software Development
3 3 (50.00%) VBScript
3 3 (50.00%) Windows
3 3 (50.00%) Linux
3 3 (50.00%) Microsoft Excel
3 3 (50.00%) Data Warehouse
3 3 (50.00%) REST
4 2 (33.33%) Oracle
5 1 (16.67%) Prototyping
5 1 (16.67%) Performance Management
5 1 (16.67%) Oracle EDQ

Data Analysis
Co-occurring IT Skills in Croydon by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 3 (50.00%) SAS
2 1 (16.67%) SharePoint
Applications
1 3 (50.00%) Microsoft Excel
2 1 (16.67%) Microsoft Office
Business Applications
1 1 (16.67%) Dynamics CRM
Cloud Services
1 1 (16.67%) Microsoft Azure
Database & Business Intelligence
1 4 (66.67%) Star Schema
2 3 (50.00%) Data Warehouse
2 3 (50.00%) PostgreSQL
2 3 (50.00%) SAS Enterprise Guide
3 1 (16.67%) Big Data
3 1 (16.67%) BusinessObjects
3 1 (16.67%) NoSQL
3 1 (16.67%) SAS Data Integration Studio
3 1 (16.67%) SQL Server
General
1 1 (16.67%) Finance
Job Titles
1 3 (50.00%) Data Engineer
2 2 (33.33%) Senior Data Engineer
3 1 (16.67%) Analyst
3 1 (16.67%) Architect
3 1 (16.67%) CRM Manager
3 1 (16.67%) CRM Project Manager
3 1 (16.67%) Data Architect
3 1 (16.67%) Dynamics CRM Project Manager
3 1 (16.67%) Enterprise Data Architect
3 1 (16.67%) Insurance Systems Analyst
3 1 (16.67%) Integration Engineer
3 1 (16.67%) Project Manager
3 1 (16.67%) Senior Integration Engineer
3 1 (16.67%) Systems Analyst
Libraries, Frameworks & Software Standards
1 5 (83.33%) XML
2 3 (50.00%) REST
3 1 (16.67%) .NET
3 1 (16.67%) ASP.NET
3 1 (16.67%) CSS
3 1 (16.67%) HTML
3 1 (16.67%) jQuery
3 1 (16.67%) Web Services
Miscellaneous
1 1 (16.67%) Analytical Skills
1 1 (16.67%) Freedom of Information
1 1 (16.67%) Management Information System
Operating Systems
1 3 (50.00%) Linux
1 3 (50.00%) Windows
Processes & Methodologies
1 4 (66.67%) Validation
2 3 (50.00%) Agile Software Development
2 3 (50.00%) Data Integration
2 3 (50.00%) ETL
2 3 (50.00%) Scrum
2 3 (50.00%) SQL Optimisation
3 1 (16.67%) Analytics
3 1 (16.67%) Business Intelligence
3 1 (16.67%) CRM
3 1 (16.67%) Data Extraction
3 1 (16.67%) Data Modelling
3 1 (16.67%) Data Protection
3 1 (16.67%) Data Security
3 1 (16.67%) Data Validation
3 1 (16.67%) Information Governance
3 1 (16.67%) Information Management
3 1 (16.67%) OO
3 1 (16.67%) OOD
3 1 (16.67%) TOGAF
3 1 (16.67%) Zachman Framework
Programming Languages
1 4 (66.67%) SQL
2 3 (50.00%) AWK
2 3 (50.00%) PowerShell
2 3 (50.00%) SAS Macro
2 3 (50.00%) sed
2 3 (50.00%) VBScript
3 1 (16.67%) C#
3 1 (16.67%) JavaScript
Qualifications
1 3 (50.00%) SC Cleared
1 3 (50.00%) Security Cleared
Quality Assurance & Compliance
1 4 (66.67%) Data Quality
2 1 (16.67%) QA
Systems Management
1 1 (16.67%) Oracle EDQ
Vendors
1 3 (50.00%) Greenplum
2 2 (33.33%) Oracle
3 1 (16.67%) Microsoft