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
|
0.079
|
| 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
|
0.105
|
| 220
|
MVS
|
Operation System
|
Link
|
Link
|
Link
|
Link
|
167
|
0.09%
|
59
|
0.09%
|
0.00
|
chisq
|
0.4873
|
No
|
0.162
|
| 41
|
CentOS
|
Operation System
|
Link
|
Link
|
Link
|
Link
|
96
|
0.05%
|
30
|
0.05%
|
0.00
|
chisq
|
0.8766
|
No
|
0.220
|
| 112
|
Fedora
|
Operation System
|
Link
|
Link
|
Link
|
Link
|
67
|
0.03%
|
7
|
0.01%
|
-0.01
|
chisq
|
0.0002
|
Yes
|
0.399
|
| 411
|
zOS
|
Operation System
|
Link
|
Link
|
Link
|
Link
|
17
|
0.01%
|
2
|
0.00%
|
0.00
|
chisq
|
0.1170
|
No
|
0.753
|
| 402
|
xSeries
|
Operation System
|
Link
|
|
Link
|
Link
|
7
|
0.00%
|
5
|
0.01%
|
0.01
|
fisher
|
0.0407
|
Yes
|
0.837
|
|
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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Sponsored by:
supported by AWS in Education Grant award