Rank: Forum user 
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Are there any statistics gurus out there who can explain how "Cumulative H-Values" are calculated in relation to Accident Stats and Lost Time Injuries? I can find a number of published values but I am unable to determine how the values were derived.
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Rank: Super forum user
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sorry never heard of them!
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Rank: Super forum user 
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This is one of those times when I feared that after 35 years in H&S I was either having a senior moment or was finally losing my mind. I am thankful that i'm not the only one that has never heard of H-Values.
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Rank: Forum user 
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Can you provide more information on your sources, Tony.
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Rank: Forum user
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Never heard of "H-values"...
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Rank: Super forum user
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Never heard of H values in terms of H&S.
I'm guessing its maybe some sort mathematical/statistical value or expression - but I'm very rusty on much more than basic statistics.
According to Mr Google, it is ....
https://onlinecourses.sc...e.psu.edu/stat501/node/7
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Rank: Forum user
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I've always struggled with statistical analysis of incident figures. For most organisations the number of incidents/injuries are so low (statistically) as to make any meaningful analysis on trends or patterns impossible.
But like most of you, I expect, I produce lovely tables and pie charts for management and the Safety Committee which add nothing to safety in the workplace.
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Rank: Super forum user
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I presented the results in both qualitative and quantitative format.
I didn't feel any further need to extrapolate beyond what was important.
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