Period
to 23 May 2018

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Kalman Filter skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Kalman Filter over the 6 months to 23 May 2018 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.

Kalman Filtering
East of England > Hertfordshire
6 months to
23 May 2018
Same period 2017 Same period 2016
Rank 91 86 82
Rank change year-on-year -5 -4 +23
Contract jobs citing Kalman Filter 3 6 3
As % of all contract IT jobs advertised in Hertfordshire 0.21% 0.49% 0.22%
As % of the Processes & Methodologies category 0.25% 0.61% 0.28%
Number of daily rates quoted 3 3 1
Hertfordshire median daily rate £335 £200 £340
Median daily rate % change year-on-year +67.50% -41.18% -
10th Percentile £146 £185 £335
90th Percentile £351 £408 £345
East of England median daily rate £350 £440 £340
% change year-on-year -20.45% +29.41% +36.00%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £38.25 £18.96 -
% change year-on-year +101.74% - -

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

All Process and Methodology Skills
Hertfordshire
Contract vacancies with a requirement for process or methodology skills 1,187 990 1,060
As % of all contract IT jobs advertised in Hertfordshire 81.58% 80.68% 78.87%
Number of daily rates quoted 645 517 538
Hertfordshire median daily rate £400 £425 £400
Median daily rate % change year-on-year -5.88% +6.25% -
10th Percentile £211 £200 £250
90th Percentile £561 £575 £575
East of England median daily rate £439 £420 £413
% change year-on-year +4.52% +1.82% +3.13%
Number of hourly rates quoted 76 51 62
Hertfordshire median hourly rate £17.25 £31.50 £29.00
Median hourly rate % change year-on-year -45.24% +8.62% -0.85%
10th Percentile £10.21 £13.00 £12.63
90th Percentile £45.63 £52.88 £52.25
East of England median hourly rate £17.50 £33.00 £27.50
% change year-on-year -46.97% +20.00% +10.00%

Kalman Filter
Job Vacancy Trend in Hertfordshire

Job postings citing Kalman Filter as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Kalman Filter in Hertfordshire

Kalman Filter
Contractor Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Kalman Filter in Hertfordshire.

Contractor daily rate trend for Kalman Filter in Hertfordshire

Kalman Filter
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Kalman Filter in Hertfordshire over the 6 months to 23 May 2018.

Contractor daily rate histogram for Kalman Filter in Hertfordshire

Kalman Filter
Contractor Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Kalman Filter in Hertfordshire.

Contractor hourly rate trend for Kalman Filter in Hertfordshire

Kalman Filter
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Kalman Filter within the Hertfordshire region over the 6 months to 23 May 2018. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hemel Hempstead - 2 £336 -
Watford - 1 £105 -
Kalman Filter
East of England

For the 6 months to 23 May 2018, IT contractor jobs citing Kalman Filter also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Hertfordshire region with a requirement for Kalman Filter.

1 2 (66.67%) Remedy
1 2 (66.67%) ITSM
1 2 (66.67%) Wi-Fi
1 2 (66.67%) JIRA
1 2 (66.67%) Remedy ITSM
1 2 (66.67%) Release Management
1 2 (66.67%) Test Scripting
1 2 (66.67%) Confluence
1 2 (66.67%) Zephyr
2 1 (33.33%) Windows 10
2 1 (33.33%) Web Filtering
2 1 (33.33%) Exchange Server 2013
2 1 (33.33%) Hyper-V
2 1 (33.33%) XenApp
2 1 (33.33%) XenDesktop
2 1 (33.33%) VMware
2 1 (33.33%) Backup Exec
2 1 (33.33%) Exchange Server 2003
2 1 (33.33%) Service Management
2 1 (33.33%) Service Delivery
2 1 (33.33%) Firewall
2 1 (33.33%) SQL
2 1 (33.33%) SQL Server
2 1 (33.33%) ITIL
2 1 (33.33%) Windows
2 1 (33.33%) MS Exchange
2 1 (33.33%) LAN
2 1 (33.33%) WAN
2 1 (33.33%) Microsoft
2 1 (33.33%) Active Directory

Kalman Filter
Co-occurring IT Skills in Hertfordshire 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 2 (66.67%) Confluence
2 1 (33.33%) Exchange Server 2003
2 1 (33.33%) Exchange Server 2013
2 1 (33.33%) MS Exchange
Business Applications
1 2 (66.67%) Remedy ITSM
Communications & Networking
1 2 (66.67%) Wi-Fi
2 1 (33.33%) Firewall
2 1 (33.33%) LAN
2 1 (33.33%) WAN
Database & Business Intelligence
1 1 (33.33%) SQL Server
Development Applications
1 2 (66.67%) JIRA
1 2 (66.67%) Zephyr
Job Titles
1 1 (33.33%) Analyst
1 1 (33.33%) Desktop Support
1 1 (33.33%) Systems Tester
1 1 (33.33%) Test Analyst
1 1 (33.33%) Tester
Operating Systems
1 1 (33.33%) Windows
1 1 (33.33%) Windows 10
Processes & Methodologies
1 2 (66.67%) ITSM
1 2 (66.67%) Release Management
1 2 (66.67%) Test Scripting
2 1 (33.33%) ITIL
2 1 (33.33%) Service Delivery
2 1 (33.33%) Service Management
2 1 (33.33%) Web Filtering
Programming Languages
1 1 (33.33%) SQL
System Software
1 1 (33.33%) Active Directory
1 1 (33.33%) Hyper-V
1 1 (33.33%) XenApp
1 1 (33.33%) XenDesktop
Systems Management
1 1 (33.33%) Backup Exec
Vendors
1 2 (66.67%) Remedy
2 1 (33.33%) Citrix
2 1 (33.33%) Microsoft
2 1 (33.33%) VMware