The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for CHAID skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited CHAID over the 3 months to 28 March 2017 with a comparison to the same period in the previous 2 years.

Chi-squared Automatic Interaction Detection (CHAID)
London / City of London
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 229 265 320
Rank change year-on-year +36 +55  
Permanent jobs citing CHAID 3 4 1
As % of all permanent IT jobs advertised in the City of London 0.059% 0.056% 0.010%
As % of the Processes & Methodologies category 0.065% 0.062% 0.011%
Number of salaries quoted 3 3 1
Median salary £92,500 £37,500 £40,000
Median salary % change year-on-year +146.66% -6.25%  
UK excluding London median salary £42,000 £36,750 £41,250
% change year-on-year +14.28% -10.90%  

CHAID is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for process and methodology skills.

Process & Methodology Skills
City of London
Permanent job vacancies with a requirement for process and methodology skills 4641 6448 9164
As % of all permanent IT job vacancies advertised in the City of London 90.52% 90.31% 87.80%
Number of salaries quoted 4239 5742 7723
Median salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.16% +4.34%  
90% offered a salary of more than £41,000 £42,000 £37,500
10% offered a salary of more than £85,000 £82,500 £85,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

CHAID
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing CHAID as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for CHAID in the City of London

CHAID
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing CHAID in the City of London.

Salary trend for CHAID in the City of London

CHAID
Salary Histogram in the City of London

The salary distribution of IT jobs citing CHAID in the City of London over the 3 months to 28 March 2017.

Salary histogram for CHAID in the City of London

CHAID
Top 25 Co-occurring IT Skills in the City of London

For the 6 months to 28 March 2017, IT jobs citing CHAID also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for CHAID.

1 5 (100.00%) SQL
1 5 (100.00%) R
1 5 (100.00%) Analytics
2 3 (60.00%) Customer Insight
2 3 (60.00%) SAS
2 3 (60.00%) Degree
3 2 (40.00%) Logistic Regression
3 2 (40.00%) Cluster Analysis
3 2 (40.00%) Hadoop
3 2 (40.00%) Apache Hive
3 2 (40.00%) Apache Cassandra
3 2 (40.00%) MATLAB
3 2 (40.00%) Python
3 2 (40.00%) Data Mining
3 2 (40.00%) Text Mining
3 2 (40.00%) Data Analysis
3 2 (40.00%) Marketing
3 2 (40.00%) Machine Learning
3 2 (40.00%) Relational Database
3 2 (40.00%) Analytical Skills
3 2 (40.00%) Apache Spark
3 2 (40.00%) Algorithms
3 2 (40.00%) Actionable Insight
4 1 (20.00%) Business Analytics
4 1 (20.00%) Stakeholder Management

CHAID
Co-occurring IT Skills in the City of London 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 (60.00%) SAS
2 2 (40.00%) Apache Spark
Database & Business Intelligence
1 2 (40.00%) Apache Cassandra
1 2 (40.00%) Apache Hive
1 2 (40.00%) Data Mining
1 2 (40.00%) Hadoop
1 2 (40.00%) Relational Database
1 2 (40.00%) Text Mining
General
1 2 (40.00%) Marketing
Job Titles
1 2 (40.00%) Analyst
1 2 (40.00%) Customer Analyst
1 2 (40.00%) Customer Insight Analyst
1 2 (40.00%) Data Scientist
1 2 (40.00%) Insight Analyst
2 1 (20.00%) Senior Data Scientist
Miscellaneous
1 2 (40.00%) Algorithms
1 2 (40.00%) Analytical Skills
Processes & Methodologies
1 5 (100.00%) Analytics
2 3 (60.00%) Customer Insight
3 2 (40.00%) Actionable Insight
3 2 (40.00%) Cluster Analysis
3 2 (40.00%) Data Analysis
3 2 (40.00%) Logistic Regression
3 2 (40.00%) Machine Learning
4 1 (20.00%) Business Analytics
4 1 (20.00%) Stakeholder Management
Programming Languages
1 5 (100.00%) R
1 5 (100.00%) SQL
2 2 (40.00%) MATLAB
2 2 (40.00%) Python
Qualifications
1 3 (60.00%) Degree
City, London
Oliver James Associates
Salary: £35000 - £50000 per annum
Posted: 6 days ago
City, London
The Collinson Group
Salary: From £35,000 to £50,000 per annum
Posted: 14 days ago