The following table provides summary statistics for permanent job vacancies advertised in 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 June 2017 with a comparison to the same period in the previous 2 years.

Chi-squared Automatic Interaction Detection (CHAID)
England / London
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 603 634 630
Rank change year-on-year +31 -4  
Permanent jobs citing CHAID 9 10 39
As % of all permanent IT jobs advertised in London 0.025% 0.025% 0.088%
As % of the Processes & Methodologies category 0.027% 0.028% 0.099%
Number of salaries quoted 6 9 36
Median salary £52,500 £49,000 £40,750
Median salary % change year-on-year +7.14% +20.24%  
90% offered a salary of more than £46,875 £32,500 £32,250
10% offered a salary of more than £81,250 £80,000 £59,375
UK excluding London median salary £60,000 £45,000 £36,500
% change year-on-year +33.33% +23.28%  

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 London with a requirement for process and methodology skills.

Process & Methodology Skills
London
Permanent job vacancies with a requirement for process and methodology skills 33389 36265 39395
As % of all permanent IT job vacancies advertised in London 91.09% 90.54% 89.01%
Number of salaries quoted 113344 136165 134063
Median salary £60,000 £60,000 £57,500
Median salary % change year-on-year - +4.34%  
90% offered a salary of more than £37,500 £37,000 £35,000
10% offered a salary of more than £90,000 £86,250 £87,500
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

CHAID
Job Vacancy Trend in London

Job postings citing CHAID as a percentage of all IT jobs advertised in London.

Job vacancy trend for CHAID in London

CHAID
Salary Trend in London

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

Salary trend for CHAID in London

CHAID
Salary Histogram in London

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

Salary histogram for CHAID in London

CHAID
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CHAID within the London region over the 3 months to 28 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Croydon - 4 £52,500 -
City of London +27 2 £77,500 +84.52%
CHAID
England

For the 6 months to 28 June 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 London region with a requirement for CHAID.

1 18 (81.82%) SQL
1 18 (81.82%) Analytics
2 14 (63.64%) Marketing
3 13 (59.09%) SAS
3 13 (59.09%) Business Intelligence
4 11 (50.00%) R
4 11 (50.00%) Analytical Skills
5 10 (45.45%) Marketing Strategy
5 10 (45.45%) Logistic Regression
6 8 (36.36%) Data Mining
6 8 (36.36%) Cluster Analysis
6 8 (36.36%) Degree
6 8 (36.36%) Text Mining
6 8 (36.36%) Hadoop
6 8 (36.36%) Apache Hive
6 8 (36.36%) Relational Database
7 7 (31.82%) Statistical Modelling
7 7 (31.82%) Python
8 6 (27.27%) Web Analytics
8 6 (27.27%) Propensity Modelling
8 6 (27.27%) Customer Insight
9 5 (22.73%) Neural Network
10 4 (18.18%) Google
10 4 (18.18%) Google Analytics
10 4 (18.18%) BusinessObjects
10 4 (18.18%) SPSS
10 4 (18.18%) E-Commerce
10 4 (18.18%) Base SAS
10 4 (18.18%) Tableau
10 4 (18.18%) Campaign Analysis

CHAID
Co-occurring IT Skills in 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 13 (59.09%) SAS
2 3 (13.64%) Apache Spark
Applications
1 4 (18.18%) SPSS
2 1 (4.55%) Microsoft Excel
Cloud Services
1 4 (18.18%) Google Analytics
Database & Business Intelligence
1 8 (36.36%) Apache Hive
1 8 (36.36%) Data Mining
1 8 (36.36%) Hadoop
1 8 (36.36%) Relational Database
1 8 (36.36%) Text Mining
2 4 (18.18%) Base SAS
2 4 (18.18%) BusinessObjects
2 4 (18.18%) Looker
2 4 (18.18%) SAS EBI
3 3 (13.64%) Apache Cassandra
3 3 (13.64%) Big Data
General
1 14 (63.64%) Marketing
2 1 (4.55%) Advertising
Job Titles
1 9 (40.91%) Analyst
2 8 (36.36%) Data Scientist
3 6 (27.27%) Statistical Analyst
4 5 (22.73%) Business Intelligence Analyst
5 4 (18.18%) Insight Analyst
6 3 (13.64%) Senior Analyst
7 2 (9.09%) Customer Insight Manager
7 2 (9.09%) Insight Manager
7 2 (9.09%) Senior Data Scientist
7 2 (9.09%) Senior Insight Analyst
7 2 (9.09%) SQL Analyst
8 1 (4.55%) Consultant
8 1 (4.55%) Data Consultant
8 1 (4.55%) Head of Analytics
8 1 (4.55%) Head of Customer Analytics
8 1 (4.55%) IT Consultant
8 1 (4.55%) Senior Business Intelligence Analyst
Miscellaneous
1 11 (50.00%) Analytical Skills
2 3 (13.64%) Algorithms
3 2 (9.09%) Credit Risk
4 1 (4.55%) Robotics
Processes & Methodologies
1 18 (81.82%) Analytics
2 13 (59.09%) Business Intelligence
3 10 (45.45%) Logistic Regression
3 10 (45.45%) Marketing Strategy
4 8 (36.36%) Cluster Analysis
5 7 (31.82%) Statistical Modelling
6 6 (27.27%) Customer Insight
6 6 (27.27%) Propensity Modelling
6 6 (27.27%) Web Analytics
7 5 (22.73%) Neural Network
8 4 (18.18%) Campaign Analysis
8 4 (18.18%) E-Commerce
8 4 (18.18%) Line Management
8 4 (18.18%) Post-Campaign Analysis
9 3 (13.64%) Cognitive Analytics
9 3 (13.64%) Machine Learning
10 2 (9.09%) Business Analytics
10 2 (9.09%) Customer Segmentation
10 2 (9.09%) Direct Marketing
10 2 (9.09%) Stakeholder Management
Programming Languages
1 18 (81.82%) SQL
2 11 (50.00%) R
3 7 (31.82%) Python
4 3 (13.64%) MATLAB
5 1 (4.55%) VBA
Qualifications
1 8 (36.36%) Degree
2 4 (18.18%) Numerate Degree
3 1 (4.55%) PhD
Vendors
1 4 (18.18%) Google
1 4 (18.18%) Snowplow
1 4 (18.18%) Tableau