Period
to 24 November 2017

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 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

Chi-squared Automatic Interaction Detection (CHAID)
England > London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 822 819 852
Rank change year-on-year -3 +33 +33
Permanent jobs citing CHAID 16 23 65
As % of all permanent IT jobs advertised in London 0.021% 0.030% 0.073%
As % of the Processes & Methodologies category 0.023% 0.033% 0.081%
Number of salaries quoted 15 22 59
London median annual salary £62,500 £53,750 £47,500
Median salary % change year-on-year +16.28% +13.16% +18.75%
10th Percentile £41,750 £31,825 £31,850
90th Percentile £80,000 £76,250 £67,750
England median annual salary £60,000 £52,500 £46,250
% change year-on-year +14.29% +13.51% +23.33%

CHAID is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 68735 68760 79859
As % of all permanent IT jobs advertised in London 91.61% 90.69% 89.57%
Number of salaries quoted 52944 59134 67322
London median annual salary £60,000 £58,500 £55,000
Median salary % change year-on-year +2.56% +6.36% -
10th Percentile £35,000 £33,750 £33,173
90th Percentile £90,000 £88,750 £86,250
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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 6 months to 24 November 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 6 months to 24 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +21 4 £71,250 +96.55% 1
CHAID
England

For the 6 months to 24 November 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 16 (100.00%) Analytics
2 12 (75.00%) SQL
3 11 (68.75%) Logistic Regression
4 10 (62.50%) R
4 10 (62.50%) Analytical Skills
5 9 (56.25%) Cluster Analysis
5 9 (56.25%) SAS
6 8 (50.00%) Statistics
6 8 (50.00%) Predictive Modelling
7 7 (43.75%) Machine Learning
7 7 (43.75%) Business Intelligence
7 7 (43.75%) Python
8 6 (37.50%) Java
8 6 (37.50%) Neural Network
8 6 (37.50%) Open Source
8 6 (37.50%) Big Data
8 6 (37.50%) Propensity Modelling
8 6 (37.50%) Statistical Modelling
9 5 (31.25%) Apache Hive
9 5 (31.25%) Hadoop
9 5 (31.25%) Data Mining
9 5 (31.25%) Stakeholder Management
9 5 (31.25%) Text Mining
10 4 (25.00%) Data Analysis
10 4 (25.00%) Project Management
10 4 (25.00%) Microsoft Excel
10 4 (25.00%) SQL Server
10 4 (25.00%) Microsoft Office
10 4 (25.00%) OO
10 4 (25.00%) Visualisation

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 9 (56.25%) SAS
2 3 (18.75%) Apache Spark
Applications
1 4 (25.00%) Microsoft Excel
1 4 (25.00%) Microsoft Office
Cloud Services
1 2 (12.50%) Amazon AWS
Database & Business Intelligence
1 6 (37.50%) Big Data
2 5 (31.25%) Apache Hive
2 5 (31.25%) Data Mining
2 5 (31.25%) Hadoop
2 5 (31.25%) Text Mining
3 4 (25.00%) NoSQL
3 4 (25.00%) Qlik Sense
3 4 (25.00%) SQL Server
4 3 (18.75%) Apache Cassandra
5 2 (12.50%) Relational Database
General
1 4 (25.00%) Retail
2 3 (18.75%) Marketing
Job Titles
1 5 (31.25%) Data Scientist
2 4 (25.00%) Analytics Manager
3 2 (12.50%) Analyst
3 2 (12.50%) Insight Analyst
3 2 (12.50%) SQL Analyst
3 2 (12.50%) Statistical Analyst
4 1 (6.25%) Senior Data Scientist
Miscellaneous
1 10 (62.50%) Analytical Skills
2 3 (18.75%) Algorithms
2 3 (18.75%) Robotics
3 2 (12.50%) Credit Risk
Processes & Methodologies
1 16 (100.00%) Analytics
2 11 (68.75%) Logistic Regression
3 9 (56.25%) Cluster Analysis
4 8 (50.00%) Predictive Modelling
4 8 (50.00%) Statistics
5 7 (43.75%) Business Intelligence
5 7 (43.75%) Machine Learning
6 6 (37.50%) Neural Network
6 6 (37.50%) Open Source
6 6 (37.50%) Propensity Modelling
6 6 (37.50%) Statistical Modelling
7 5 (31.25%) Stakeholder Management
8 4 (25.00%) Actionable Insight
8 4 (25.00%) Data Analysis
8 4 (25.00%) Functional Programming
8 4 (25.00%) Mathematics
8 4 (25.00%) OO
8 4 (25.00%) Project Management
8 4 (25.00%) Statistical Analysis
8 4 (25.00%) Visualisation
Programming Languages
1 12 (75.00%) SQL
2 10 (62.50%) R
3 7 (43.75%) Python
4 6 (37.50%) Java
5 3 (18.75%) MATLAB
Qualifications
1 4 (25.00%) Degree
2 3 (18.75%) PhD
Vendors
1 4 (25.00%) Tableau
2 2 (12.50%) Google