Period
to 19 November 2017

The following table provides summary statistics for permanent job vacancies 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 19 November 2017 with a comparison to the same period in the previous 2 years.

Chi-squared Automatic Interaction Detection (CHAID)
UK
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 1162 1190 1215
Rank change year-on-year +28 +25 +47
Permanent jobs citing CHAID 36 28 93
As % of all permanent IT jobs advertised in the UK 0.020% 0.015% 0.043%
As % of the Processes & Methodologies category 0.022% 0.017% 0.048%
Number of salaries quoted 34 27 83
UK median annual salary £60,000 £52,500 £45,000
Median salary % change year-on-year +14.29% +16.67% +20.00%
10th Percentile £34,525 £32,200 £32,000
90th Percentile £80,000 £76,250 £67,500
UK excluding London median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% +21.43%

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 with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Permanent vacancies with a requirement for process or methodology skills 160296 168588 194039
As % of all permanent IT jobs advertised in the UK 89.92% 89.36% 88.77%
Number of salaries quoted 126459 140088 159820
UK median annual salary £50,000 £49,476 £47,500
Median salary % change year-on-year +1.06% +4.16% +5.56%
10th Percentile £28,750 £28,000 £27,500
90th Percentile £80,000 £78,750 £77,500
UK excluding London median annual salary £44,000 £42,500 £42,500
% change year-on-year +3.53% - +6.25%

CHAID
Job Vacancy Trend

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

Job vacancy trend for CHAID in the UK

CHAID
Salary Trend

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

Salary trend for CHAID in the UK

CHAID
Salary Histogram

The salary distribution of IT jobs citing CHAID over the 6 months to 19 November 2017.

Salary histogram for CHAID in the UK

CHAID
Top 11 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing CHAID within the UK over the 6 months to 19 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
England +48 35 £60,000 +14.29%
UK excluding London +53 20 £47,500 +5.56%
London 0 16 £62,500 +16.28%
North of England - 8 £60,000 -
North West - 7 £60,000 -
South West +33 6 £42,500 -5.56%
South East +56 4 £47,500 -9.52%
East Midlands - 1 £47,500 -
Midlands - 1 £47,500 -
Yorkshire - 1 £21,500 -
Wales - 1 £34,500 -

For the 6 months to 19 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 with a requirement for CHAID.

1 31 (86.11%) Analytics
2 30 (83.33%) SQL
3 21 (58.33%) SAS
3 21 (58.33%) R
4 20 (55.56%) Logistic Regression
5 19 (52.78%) Analytical Skills
6 16 (44.44%) Cluster Analysis
7 13 (36.11%) Data Mining
8 12 (33.33%) Business Intelligence
8 12 (33.33%) Marketing
8 12 (33.33%) Big Data
9 11 (30.56%) Neural Network
9 11 (30.56%) Statistics
9 11 (30.56%) Predictive Modelling
10 10 (27.78%) Hadoop
10 10 (27.78%) Text Mining
10 10 (27.78%) Degree
10 10 (27.78%) Microsoft Excel
10 10 (27.78%) Data Analytics
10 10 (27.78%) Apache Hive
10 10 (27.78%) Actionable Insight
11 9 (25.00%) SQL Server
12 8 (22.22%) Python
12 8 (22.22%) Data Analysis
12 8 (22.22%) Mathematics
12 8 (22.22%) Customer Insight
13 7 (19.44%) Machine Learning
13 7 (19.44%) Propensity Modelling
13 7 (19.44%) Visualisation
13 7 (19.44%) Statistical Analysis

CHAID
Co-occurring IT Skills 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 21 (58.33%) SAS
2 3 (8.33%) Apache Spark
Applications
1 10 (27.78%) Microsoft Excel
2 7 (19.44%) SPSS
3 4 (11.11%) Microsoft Office
4 2 (5.56%) SPSS Modeler
Business Applications
1 1 (2.78%) Oracle Utilities
Cloud Services
1 2 (5.56%) Amazon AWS
1 2 (5.56%) Google Analytics
Database & Business Intelligence
1 13 (36.11%) Data Mining
2 12 (33.33%) Big Data
3 10 (27.78%) Apache Hive
3 10 (27.78%) Hadoop
3 10 (27.78%) Text Mining
4 9 (25.00%) SQL Server
5 4 (11.11%) NoSQL
5 4 (11.11%) Qlik Sense
5 4 (11.11%) Relational Database
6 3 (8.33%) Apache Cassandra
6 3 (8.33%) Data Warehouse
7 2 (5.56%) Power BI
8 1 (2.78%) Oracle BI Publisher
Development Applications
1 2 (5.56%) RStudio
General
1 12 (33.33%) Marketing
2 6 (16.67%) Retail
3 5 (13.89%) Finance
Job Titles
1 11 (30.56%) Data Scientist
2 10 (27.78%) Analyst
3 8 (22.22%) Analytics Manager
3 8 (22.22%) Insight Analyst
4 5 (13.89%) Data Analyst
5 4 (11.11%) Data Insight Analyst
5 4 (11.11%) Insight Data Analyst
6 3 (8.33%) Customer Insight Manager
6 3 (8.33%) Insight Manager
7 2 (5.56%) Customer Analyst
7 2 (5.56%) Customer Insight Analyst
7 2 (5.56%) SQL Analyst
7 2 (5.56%) Statistical Analyst
8 1 (2.78%) Data Analytics Manager
8 1 (2.78%) Data Analytics Officer
8 1 (2.78%) Head of Analytics
8 1 (2.78%) Head of Data Analytics
8 1 (2.78%) Junior Data Scientist
8 1 (2.78%) Report Analyst
8 1 (2.78%) Senior Data Scientist
Miscellaneous
1 19 (52.78%) Analytical Skills
2 3 (8.33%) Algorithms
2 3 (8.33%) Credit Risk
2 3 (8.33%) Robotics
3 2 (5.56%) Management Information System
3 2 (5.56%) User Experience
4 1 (2.78%) Computer Science
4 1 (2.78%) Data Structures
Processes & Methodologies
1 31 (86.11%) Analytics
2 20 (55.56%) Logistic Regression
3 16 (44.44%) Cluster Analysis
4 12 (33.33%) Business Intelligence
5 11 (30.56%) Neural Network
5 11 (30.56%) Predictive Modelling
5 11 (30.56%) Statistics
6 10 (27.78%) Actionable Insight
6 10 (27.78%) Data Analytics
7 8 (22.22%) Customer Insight
7 8 (22.22%) Data Analysis
7 8 (22.22%) Mathematics
8 7 (19.44%) Machine Learning
8 7 (19.44%) Propensity Modelling
8 7 (19.44%) Statistical Analysis
8 7 (19.44%) Visualisation
9 6 (16.67%) Direct Marketing
9 6 (16.67%) Open Source
9 6 (16.67%) Service Delivery
9 6 (16.67%) Statistical Modelling
Programming Languages
1 30 (83.33%) SQL
2 21 (58.33%) R
3 8 (22.22%) Python
4 6 (16.67%) Java
5 5 (13.89%) VBA
6 4 (11.11%) MATLAB
Qualifications
1 10 (27.78%) Degree
2 3 (8.33%) PhD
3 2 (5.56%) Numerate Degree
Quality Assurance & Compliance
1 1 (2.78%) Data Quality
1 1 (2.78%) QA
Vendors
1 6 (16.67%) Tableau
2 4 (11.11%) Microsoft
3 2 (5.56%) Google
3 2 (5.56%) IBM
4 1 (2.78%) Oracle