Ranking Score Explained

Hey, thanks for your interest in how we calculate an experience's ranking score. It's at the core of Rankers so I'm pleased you're curious.

The ranking score percentage is used to compare and sort experiences in ranking tables. It is not necessarily a direct measurement of the quality of a particular experience as rated by its customers. I've found it a useful tool to allow me to find the best experiences with confidence. But I've also found it important to read the customer reviews before making any final judgements!

We calculate an experience's ranking score using a multi-factor data model instead of a raw data average (mean). This model takes into account several important questions. For instance - is there a trusted body of reviews? What is the age of a review and is the review from a credible source?

Below you'll find details around some of the important factors that went into calculating the ranking score for Wairau Diversion Reserve.

If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz. We don't believe this is perfect or complete so we're always interested in ways we might make improvements.

Cymen Crick's avatar

Cymen Crick

Rankers Owner

Wairau Diversion Reserve

Valid Reviews

73 Valid Reviews

The Wairau Diversion Reserve experience has a total of 89 reviews. There are 73 valid reviews that are included when calculating the ranking score and 16 invalid reviews that are excluded from the calculation. Reviews can be excluded only when a reviewer is not verified or after an investigation by our team determines the reviewer is not genuine.

Below is the distribution of ratings for the 73 valid reviews:

Rating Count Percentage
10/10 25
34%
9/10 18
25%
8/10 19
26%
7/10 6
8%
6/10 2
3%
5/10 1
1%
4/10 0
0%
3/10 1
1%
2/10 1
1%
1/10 0
0%

86.03% Average

The raw data average (mean) for all the Wairau Diversion Reserve valid reviews is 86.03% and is based on 73 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.

Weighted Average

87.17%

Rankers calculates a weighted mean as a base average on which we can improve. Individual review's ratings are given a weight based on several factors. The weight of a review determines the overall impact it'll have on the final weighted average.

Recent reviews have more weight as they are more relevant and reflect the experience as it currently operates. Over time reviews become less relevant and loose their impact on the ranking score.

Low rating reviews carry slightly less weight. This dampens the effect of very low ratings for every experience across the board. This is especially important when the experience has few reviews overall and a single negative rating can grossly mischaracterise an experience. Consistent poor reviews will still result in the experience receiving a comparitively low ranking score.

Credible sources provide reviews that can be trusted. If we have verified a reviewer is genuine via a face-to-face meeting then the review carries additional weight.

Reviewer Rating Age Relative Weight
Lena 10/10 65 days 100%
Ellie 10/10 65 days 100%
Cucamest 8/10 126 days 97%
Len Cons 8/10 187 days 96%
Matt 10/10 218 days 98%
BonnieBE 7/10 826 days 57%
Dana 10/10 949 days 49%
Cymen Crick 7/10 1160 days 28%
Alicia 7/10 1161 days 28%
EvaBelle 9/10 1161 days 30%
Marianne 2/10 1161 days 13%
Vanessa 8/10 1375 days 16%
Adventure B4 Dementia 7/10 1436 days 12%
Valg 7/10 1436 days 12%
La Vie 10/10 1436 days 13%
Felix 8/10 1495 days 11%
Susan 9/10 1495 days 11%
Liv 9/10 1495 days 11%
Shalamar 8/10 1526 days 10%
Tammy & Nigel 10/10 1556 days 9%
Kevin and Dorothy 8/10 1587 days 8%
Shar-ron & Jim 8/10 1617 days 7%
Shans 8/10 1709 days 5%
Jack Moxon 9/10 1801 days 5%
Cody 9/10 1801 days 5%
Gini 8/10 1801 days 5%
Salkinnoma 9/10 1861 days 5%
Richard & Chris, UK 9/10 1861 days 5%
A smith 10/10 1892 days 5%
Mark 10/10 1892 days 5%
Dennis Rijbroek 6/10 1983 days 4%
Michael 3/10 2106 days 2%
Rick’d 10/10 2136 days 4%
Emma & Tom 9/10 2136 days 4%
Georgia 8/10 2167 days 4%
Hope 8/10 2195 days 4%
Aisling 9/10 2195 days 4%
Ceri 10/10 2195 days 4%
Gareth Jones 8/10 2195 days 4%
Glen Marshall UK 10/10 2195 days 4%
Dan 9/10 2226 days 4%
Marinette Kegels 5/10 2226 days 3%
Flatlanders 9/10 2226 days 4%
Martin 10/10 2257 days 4%
Sian 10/10 2257 days 4%
Ymke Huisman 9/10 2257 days 4%
Maëlle Salmon 9/10 2257 days 4%
Angela 8/10 2318 days 4%
Axel 9/10 2318 days 4%
N&V 8/10 2318 days 4%
Mischa 10/10 2318 days 4%
Lilith Prins 10/10 2602 days 3%
Lucie B 6/10 2852 days 2%
Tracey Leyston 10/10 2907 days 3%
Florence Boinay 10/10 2932 days 3%
Katie Ball 10/10 2958 days 2%
Vanessa Moutic 10/10 3010 days 2%
Mathieu Quintard 10/10 3032 days 2%
Jessica Stokes 7/10 3131 days 2%
Jessica Powell 10/10 3153 days 2%
Michael Quinn 10/10 3189 days 2%
renee verwey 10/10 3285 days 2%
Zdenda Barvinek 8/10 3314 days 2%
Jean-Michel Sautter 8/10 3318 days 2%
Ana Guimaraes 8/10 3362 days 2%
leo lionheart 10/10 3476 days 1%
Yann Le Gac 9/10 3566 days 1%
Ian 9/10 3657 days 1%
David Cowling 8/10 3737 days 1%
kim 10/10 3808 days 1%
Mike Fricker 8/10 3962 days 0%
Cymen Crick 9/10 4052 days 0%
Mary Carter 9/10 4205 days 0%

Adjustments

No Adjustment

Several adjustments to the weighted average may be added to improve relevancy and credibility. Wairau Diversion Reserve does not meet the criteria for any of these adjustments to apply.

Balancing Adjustment

1.43% Adjustment

Every experience's review score is adjusted to balance out the disproportional number of negative reviews that are contributed.

You won't be surprised to learn that disgruntled folk are more likely to leave a review than happy ones. They are motivated to share their experience and warn others. We consider this a good thing and it's why reading the reviews is important. However we've learned it can misrepresent the experience in a more overall sense.

We apply a balancing adjustment to counteract this effect and ensure the ranking score is a more fair representation of the experience. This adjustment is applied equally to all experiences.

Final Ranking Score

89%

The final ranking score once any adjustments, ratings, and rounding has been applied. This value is recalculated each day and a short rolling average is applied. Therefore it may not be precisely accurate based on the other values presented.