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FORUM / RUGBY /  A demonstration showing how unreliable stats can be if not evaluated intelligently

A demonstration showing how unreliable stats can be if not evaluated intelligently

Started by Beeno116 REPLIES360 VIEWS· 29 Jul 2019, 14:20
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BE
Beeno1Captain40,032 posts
29 Jul 2019, 14:20
#1
29 Jul 2019, 14:20#1

How stats can can lead one astray. The chart below show Rassie with a 53% win loss average (draws are correctly excluded from the calculation so its eight divided by fifteen.

BUT we all know the narrow loss against Wales (Had thought it was ireland) in the USA was as a consequence of deliberate experimenting with players to build the squad and was not our best team. Further had the ref done his job England's Farrell would have given a penalty against him and the Boks would have won. Ditto this last match against the wee abs!!!

So very easily and appropriately the wins become 11. 11 divided by 15 is 73.33 percent. Further if we beat Arges it would be 12/16 or 75%. Now compare that to the chart and understand Rassie is still at the early stages of his stint as Bok coach

Now one hopes this sane and fair analysis will help the Rassie basher to stop and think a minute.



Post Isolation Coaches

NameFirst MatchLast MatchPlayedWonDrawnLostPercentageForAgainst John Williams 08/92 11/92510 42079130 Gerrie SonnekusDid not take up position Ian McIntoash06/9308/9412 42633.33252 240 Kitch Christie10/9411/95141400100450191 Andre Markgraaff07/9612/961380561.54352260 Carel du Plessis06/9708/978 30537.50288 213 Nick Mallett11/9708/00382701171.051251678 Harry Viljoen11/0012/011581653.33376312 Rudolf Straeuli06/0211/03231201152.17622598 Jake White06/0412/07543611766.6717401097 Peter de Villiers06/08 10/114830 01862.501262921 Heynicke Meyer01/1212/15483221466.661239819 Allister Coetzee06/16 12/17251121244.00579635 Rassie Erasmus01/18 168 1753.33366 329
MO
MozartCaptain49,914 posts
29 Jul 2019, 14:33
#2
29 Jul 2019, 14:33#2
Rassie running neck and neck with Destroyli.....but if the moon is in the seventh house and Jupiter aligns with Mars, then peace will guide the planets and Rassie will steer the stars. All that from a 50 % win ratio.......hahaha! The squad are in charge!
PA
PakieCaptain17,321 posts
29 Jul 2019, 14:39
#3
29 Jul 2019, 14:39#3

Likewise any of the close wins could have been losses. We were all but done and dusted against France until Louw showed up with some breakdown heroics. We didn't beat NZ last year because were were playing good rugby, they were absolutely pummeling us. We simply mounted a superhuman defense and NZ blew multiple simple chances to seal the game. See where we're headed now?

Much as I agree with you about England and even Wales, stick to the actual figures, Beeno. The alternative is a dark hole full of infinite ifs and maybes.

CL
clevermikeCoach57,555 posts
29 Jul 2019, 14:42
#4
29 Jul 2019, 14:42#4

Mozart

You cannot just take a few tests from Rassie in his first year as coach to distort findings without looking at what Erasmus was trying to do with squad building after the destructive years of Meyer and Coetzee. 

You can compare things reliably by looking at what happened in the  two World Cup years - ie in 2015 and 2019 as to game splayed and Meyer was a dead loss in that years RC games.  You can also compare Erasmus performances against the  AB;s - and see what comes out.  There you can also look at the 2015 and 2019 tests.  

No - start praying the Springboks does not win the RC trophy this year - you will have n o place to hide yourself  from the derision that would follow.        

BE
Beeno1Captain40,032 posts
29 Jul 2019, 15:30
#5
29 Jul 2019, 15:30#5

We were cheated out of two tests and threw deliberately choose a second string to play Wales in the USA losing by 2 points. Facts. 

Rassves is at 53% and could easily be at more. FACT.

if your major defence for trashing Rassie is his 53% ratio then you are in trouble. Hahahahahhahahahahahahhaha

XA
XaviPro1,924 posts
29 Jul 2019, 15:36
#6
29 Jul 2019, 15:36#6

That's an accountant for you,

Fiddling with the figures 

MO
MozartCaptain49,914 posts
29 Jul 2019, 15:36
#7
29 Jul 2019, 15:36#7
Lots of excuses for his 50% win ratio. One win in his last 3 tests and we have'big momentum'.
CL
clevermikeCoach57,555 posts
29 Jul 2019, 15:49
#8
29 Jul 2019, 15:49#8

Mozart

An away win and a draw against the AB's tell a completely different story,    being fighting to win the RC as against three losses in a WC year is also factual.  The team of Meyer in 2012 scored  10 less tries than the one of Erasmus in 2018 - that in itself is also factual.

Start praying the Springboks do not win the RC this year -  you will search for ever to find a place where you could hide from your shameful attacks on Erasmus and some of his key players.   

CL
clevermikeCoach57,555 posts
29 Jul 2019, 15:49
#9
29 Jul 2019, 15:49#9

Mozart

An away win and a draw against the AB's tell a completely different story,    being fighting to win the RC as against three losses in a WC year is also factual.  The team of Meyer in 2012 scored  10 less tries than the one of Erasmus in 2018 - that in itself is also factual.

Start praying the Springboks do not win the RC this year -  you will search for ever to find a place where you could hide from your shameful attacks on Erasmus and some of his key players.   

MO
MozartCaptain49,914 posts
29 Jul 2019, 17:32
#10
29 Jul 2019, 17:32#10
Pray what away win are you talking about Poof.
CL
clevermikeCoach57,555 posts
29 Jul 2019, 17:50
#11
29 Jul 2019, 17:50#11

Nice - my pointing out facts to Mozart leads to a panic personal attack on me..

Did the Springboks not win the test in Wellington last year and drew in the game last Saturday?  Don't tell me you have wiped the Wellington test last year out of existence?   It never happened did it?   

MO
MozartCaptain49,914 posts
29 Jul 2019, 19:32
#12
29 Jul 2019, 19:32#12
I wrote 'one win in the last 3 tests' ....so that's the context. What away win?
AU
AugenöffnerPro6,974 posts
29 Jul 2019, 20:01
#13
29 Jul 2019, 20:01#13

The Boks scored 10 tries less in 2012 than J-Raz did in 2018? Of course Meyer's Boks scored fewer tries. Teams weren't notching up these kinds of numbers in 2012. Teams also defended back then. Here's an interesting stat: NZ scored 3 tries less in 2012 to Rassie's Boks. Here's the thing though, Meyer's Boks were second or first in almost every statistic; Rassie's Boks were third or last.  What does that tell us? Meyer was more successful relative to the competition of the time. 

As things stand, the 2015 Boks are going to better Rassie's Boks in every statistical category aside from win%. The output is not better. You cannot tell me that the Pumas of 2015 are inferior to this year, or that Australia were inferior in 2015. New Zealand were certainly more intimidating.

If you are going to compare each year, do it properly. How many times have I had to correct your comparison of 2012 and 2018? You are very sloppy Lügnerin. Even better is how completely ignore 2017. Why do you never compare the performances of the year prior to Rassie's tenure? Is it perhaps a little inconvenient to you that the Boks have dropped off in every statistical category again? The only real jump was tackling went from 83.3% in 2017 to 85.5% in 2018. 

DB
DbDraadCaptain26,388 posts
29 Jul 2019, 20:19
#14
29 Jul 2019, 20:19#14

Not even half empty glass people here...pessimism for the sake of it...mind boggles. 

AU
AugenöffnerPro6,974 posts
29 Jul 2019, 20:30
#15
29 Jul 2019, 20:30#15

@HerrDraht: In my mind, the glass is b oth half empty and half full. Auge, advocating die Gesamtperspektive.

The half empty bit is where one learns a thing or two! 


BE
Beeno1Captain40,032 posts
29 Jul 2019, 21:36
#16
29 Jul 2019, 21:36#16

Xavi as a Chartered Accountant I understand figures and know they need to be interpreted for their qualitative aspects as well. 

Dr Moz is a stats man but is misusing his skills to further his unfortunate anti Rassie agenda.

There is nothing unreasonable about what I posted. Rassie was Crooked out of two tests and had as his top priority squad development  in another. 

These facts must be considered rather than doggedly point to a 50 win record which in any event is 53% Bwhahahahaha.

Stick with Beeno regarding Rassie! 



BE
Beeno1Captain40,032 posts
29 Jul 2019, 21:43
#17
29 Jul 2019, 21:43#17

Organhuffer 53%isnt half boet!!!

The Organs poor form continues, and Dr Moz must take some responsibility. 

— END OF THREAD —

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