IT Job Skill Index

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IT Job Skill Index for Operation System

"Yes" means the Job Advertisement with the Keyword in Name Column. And, you can click the header for Sorting.

Dowload Results

  Name Group Trend Predict SocialNetwork GeoChart Yes YesRate YesAndHD YesRateAndHD CorrelationCoefficientWithHD Test Pvalue HDRelated OddsRatio
188 Linux Operation System Link Link Link 17032 8.85% 6752 10.80% 0.05 chisq 0.0000 Yes 0.016
357 UNIX Operation System Link Link Link Link 12352 6.42% 4322 6.91% 0.01 chisq 0.0000 Yes 0.020
391 Windows Server Operation System Link Link Link 7314 3.80% 3652 5.84% 0.07 chisq 0.0000 Yes 0.024
10 AIX Operation System Link Link Link Link 2429 1.26% 724 1.16% -0.01 chisq 0.0045 Yes 0.045
316 Solaris Operation System Link Link Link Link 1776 0.92% 611 0.98% 0.00 chisq 0.0924 No 0.050
193 mainframe Operation System Link Link Link Link 1685 0.88% 411 0.66% -0.02 chisq 0.0000 Yes 0.057
191 Mac OS Operation System Link Link Link Link 676 0.35% 403 0.64% 0.03 chisq 0.0000 Yes 0.078
274 Redhat Operation System Link Link Link Link 592 0.31% 166 0.27% -0.01 chisq 0.0224 Yes 0.092
19 AS/400 Operation System Link Link Link Link 499 0.26% 121 0.19% -0.01 chisq 0.0001 Yes 0.104
220 MVS Operation System Link Link Link Link 167 0.09% 59 0.09% 0.00 chisq 0.4873 No 0.161
41 CentOS Operation System Link Link Link Link 96 0.05% 30 0.05% 0.00 chisq 0.8766 No 0.219
112 Fedora Operation System Link Link Link Link 67 0.03% 7 0.01% -0.01 chisq 0.0002 Yes 0.387
411 zOS Operation System Link Link Link Link 17 0.01% 2 0.00% 0.00 chisq 0.1170 No 0.682
402 xSeries Operation System Link Link Link 7 0.00% 5 0.01% 0.01 fisher 0.0407 Yes 0.763

Remark:
(1) Test with 5% significant level.
(2) The Correlation Coefficient is "Phi coefficient", which is a measure of association for two binary variables.
(3) Trend Analysis sharp increases for the recent month is because of added new JobAd Sources and increased the capture frequents.

Pie chart of Operation System

Pie chart of Operation System with Higher Diploma


Created by Mr. Cyrus Wong, Data Scientist.
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supported by AWS in Education Grant award