Ranking Score Explained

Hi there, 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 The Legendary Black Water Rafting Co..

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.

Nick Morrison's avatar

Nick Morrison

Rankers owner

The Legendary Black Water Rafting Co.

Valid Reviews

292 Valid Reviews

The The Legendary Black Water Rafting Co. experience has a total of 294 reviews. There are 292 valid reviews that are included when calculating the ranking score and 2 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 292 valid reviews:

Rating Count Percentage
10/10 75
26%
9/10 98
34%
8/10 68
23%
7/10 30
10%
6/10 13
4%
5/10 4
1%
4/10 1
0%
3/10 2
1%
2/10 1
0%
1/10 0
0%

85.48% Average

The raw data average (mean) for all the The Legendary Black Water Rafting Co. valid reviews is 85.48% and is based on 292 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.

Face-to-Face Reviews

261 Face-to-Face Reviews

The Rankers team meets with travellers while they’re in New Zealand and conducts face-to-face surveys. These reviews, in our opinion, are the most trusted in the industry and represent a critical control sample. To our knowledge, we are the only travel review website in the world that has gone to this extent.

More about face-to-face reviews

Within the 292 valid reviews, the experience has 261 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 261 face-to-face reviews:

Rating Count Percentage
10/10 64
25%
9/10 83
32%
8/10 66
25%
7/10 29
11%
6/10 13
5%
5/10 2
1%
4/10 1
0%
3/10 2
1%
2/10 1
0%
1/10 0
0%

84.98% Average

The raw data average (mean) for all the The Legendary Black Water Rafting Co. face-to-face reviews is 84.98% and is based on 261 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

85.64%

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 Face-to-Face Weight Relative Weight
Allain Riepema 8/10 304 days true 102.43 100%
Dominik and Alex 9/10 546 days true 63.31 62%
Mark Haydon 9/10 563 days 49.85 48%
Alex Victor 10/10 567 days true 59.01 57%
Max Mueller 9/10 610 days true 50.73 49%
Wouter Bleckmann 7/10 614 days true 49.99 48%
May 10/10 638 days true 45.71 44%
Nolan Townsend 9/10 649 days true 43.82 42%
Robert Wolf 9/10 662 days true 41.65 40%
Anne Bezanson 7/10 667 days true 40.83 39%
Julian Gury 8/10 669 days true 40.51 39%
shelley smith 10/10 778 days 20.92 20%
Heidi Hipp 8/10 876 days true 15.12 14%
Christian Krause 10/10 888 days true 14.15 13%
Stephanie Still 9/10 891 days true 13.91 13%
Dahlia Ahmed 9/10 892 days true 13.84 13%
Sebastiaan 8/10 892 days true 13.84 13%
Olivier Anciaux 6/10 894 days true 13.68 13%
Laura Moore 10/10 900 days true 13.23 12%
Lauren Dinnage 10/10 901 days true 13.16 12%
Joe Rogers 8/10 905 days true 12.86 12%
Signe Broedbaek 6/10 911 days true 12.44 11%
Lukas Seager 10/10 911 days true 12.44 11%
Michaela Bartotini 9/10 916 days true 12.09 11%
Verena 10/10 919 days true 11.89 11%
Kirsten Gehrenbeck 8/10 930 days true 11.18 10%
Anna Bouteloup 10/10 933 days true 10.99 10%
Tamara 8/10 933 days true 10.99 10%
Cosmo Hartuna 9/10 938 days true 10.69 10%
Nora Hoethoefer 10/10 938 days true 10.69 10%
Ricardo Kalbhen 8/10 938 days true 10.69 10%
Franziska Hohmann 6/10 944 days true 10.34 9%
Alice Melker 8/10 945 days true 10.28 9%
Vanesha Patel 10/10 953 days true 9.83 9%
Janine 8/10 956 days true 9.67 9%
Marc 7/10 975 days true 8.74 8%
James Newton 10/10 988 days true 8.18 7%
Elizabeth Nash 6/10 993 days true 7.98 7%
Emma Keegan 10/10 1235 days 4.81 4%
Robert Wieclawski 5/10 1266 days 4.77 4%
Emma 8/10 1266 days 4.77 4%
Jade Cownley 8/10 1280 days true 5.7 5%
Ives van der Sluijs 6/10 1314 days true 5.64 5%
Richard 10/10 1510 days 4.43 4%
Caroline Jonsson 8/10 1600 days true 5.17 4%
Jonny Ronnblom 8/10 1600 days true 5.17 4%
James Russell 8/10 1608 days true 5.16 4%
Hannah Watt 8/10 1608 days true 5.16 4%
Alex 8/10 1610 days true 5.15 4%
Becky 9/10 1610 days true 5.15 4%
Patricia Erni 8/10 1610 days true 5.15 4%
Robert Erni 9/10 1610 days true 5.15 4%
Christina 8/10 1614 days true 5.15 4%
Kathrin Lerch 9/10 1614 days true 5.15 4%
Paolo Cases 3/10 1614 days true 4.76 4%
Laura 10/10 1626 days true 5.13 4%
Joanna Mulcahy 10/10 1629 days true 5.12 4%
Tobias Thull 7/10 1635 days true 5.11 4%
Dana 2/10 1650 days true 4.58 4%
Jan Pekarek 7/10 1678 days true 5.04 4%
Lenka Dvorauova 8/10 1678 days true 5.04 4%
Camille Gagnant 10/10 1681 days true 5.04 4%
Anne Collet 10/10 1684 days true 5.03 4%
Marine 8/10 1688 days true 5.03 4%
Ken S 10/10 1722 days 4.14 3%
Jeremy 9/10 1722 days 4.14 3%
Christian Marzy 9/10 1966 days 3.81 3%
Yves Vennewald 6/10 1984 days true 4.54 4%
Silvia-Marie Bront 10/10 1996 days true 4.52 4%
Tina 8/10 2003 days true 4.51 4%
Jean Raisin 7/10 2003 days true 4.51 4%
TJ and Julie Edwards 10/10 2010 days true 4.5 4%
Fabian and Teresa 9/10 2018 days true 4.48 4%
Kyle Guffei 10/10 2020 days true 4.48 4%
Reinier Timmer 8/10 2069 days true 4.4 4%
Alastair MacDonald 8/10 2074 days true 4.39 4%
Moorman 8/10 2078 days true 4.38 4%
Cennart ud Brock 8/10 2086 days true 4.37 3%
Barbara 10/10 2087 days true 4.37 3%
Pietersen 8/10 2098 days true 4.35 3%
Ben Simons 9/10 2358 days true 3.92 3%
Duncan Mallison 9/10 2368 days true 3.91 3%
Mats Harstedt 7/10 2371 days true 3.9 3%
Deana Peters 8/10 2374 days true 3.9 3%
Sebastian Rossbach 9/10 2374 days true 3.9 3%
Preben vil Helmsen 7/10 2374 days true 3.9 3%
Andrea Bircher 9/10 2376 days true 3.89 3%
Simon Fry 8/10 2376 days true 3.89 3%
Eline Vakentijn 8/10 2376 days true 3.89 3%
Nikki Bentley 7/10 2377 days true 3.89 3%
Franziska & Katrin 6/10 2383 days true 3.88 3%
Graham Swinyard 9/10 2385 days true 3.88 3%
Ursi Meier 9/10 2385 days true 3.88 3%
Roger ter Horst 7/10 2386 days true 3.88 3%
R Laurysen 7/10 2388 days true 3.87 3%
Adam Critchley 9/10 2388 days true 3.87 3%
Lindblom 9/10 2388 days true 3.87 3%
Claudia & Julian 9/10 2389 days true 3.87 3%
Julia Balionis 10/10 2436 days true 3.8 3%
Stefan Nitsch 8/10 2457 days true 3.76 3%
Malaea_Tangi01 10/10 2483 days 3.1 2%
visser01 9/10 2514 days 3.06 2%
pauliebates 9/10 2544 days 3.02 2%
rgoodwi3 10/10 2636 days 2.89 2%
Jordy 9/10 2667 days 2.85 2%
Houstons 5/10 2667 days 2.85 2%
Stefanny Ling 9/10 2693 days true 3.37 3%
English_Campers 10/10 2697 days 2.81 2%
Lindsey Clough 10/10 2706 days true 3.35 2%
Franzi & Tobi 9/10 2708 days true 3.35 2%
Johanna & Mark 7/10 2710 days true 3.35 2%
Stefanie 7/10 2711 days true 3.34 2%
Natalie Maguire 10/10 2711 days true 3.34 2%
Julia 10/10 2711 days true 3.34 2%
Jo Meekley 10/10 2712 days true 3.34 2%
Astrid N 9/10 2715 days true 3.34 2%
Marty Fey 9/10 2719 days true 3.33 2%
Amanda Neall 10/10 2720 days true 3.33 2%
Ellie Thompson 10/10 2720 days true 3.33 2%
Barry Barnes 9/10 2722 days true 3.33 2%
Katherine Forward 9/10 2722 days true 3.33 2%
Shirley 6/10 2726 days true 3.32 2%
S and A Koehue 9/10 2728 days true 3.32 2%
Matthew Franklin 10/10 2730 days true 3.31 2%
Annelie & Martin 9/10 2732 days true 3.31 2%
Justin Pearce 9/10 2732 days true 3.31 2%
Claire Hoyland 9/10 2743 days true 3.29 2%
Tayler Gray 9/10 2743 days true 3.29 2%
Dave and Emma 9/10 2744 days true 3.29 2%
E M Klap 9/10 2747 days true 3.28 2%
Matthijs Muijsers 9/10 2749 days true 3.28 2%
C Gobl 9/10 2755 days true 3.27 2%
Michelle Booty 9/10 2755 days true 3.27 2%
Jenny 9/10 2757 days true 3.27 2%
Shoe 7/10 2818 days 2.64 2%
Lance 9/10 2848 days 2.6 2%
Julie 10/10 2879 days 2.56 2%
soph_p 9/10 2879 days 2.56 2%
katiec82 10/10 2909 days 2.52 2%
Theta 9/10 3062 days 2.31 1%
astridaus 7/10 3062 days true 2.77 2%
Don Keith 9/10 3080 days true 2.74 2%
Don & Alice 9/10 3097 days true 2.71 2%
Krause 5/10 3102 days true 2.7 2%
Jannievan Osnabrugge 9/10 3103 days true 2.7 2%
Tim Stick 8/10 3107 days true 2.69 2%
Martÿn Steenvoorden 7/10 3113 days true 2.68 2%
Caitriona Doyle 9/10 3115 days true 2.68 2%
Toni 8/10 3115 days true 2.68 2%
Nick 8/10 3120 days true 2.67 2%
Pam K 10/10 3120 days true 2.67 2%
Coby Aalbrecht 9/10 3120 days true 2.67 2%
Peter Tres 10/10 3136 days true 2.64 2%
Mitchell Mapletree 10/10 3137 days true 2.64 2%
sanneb1 8/10 3168 days true 2.59 2%
andres 9/10 3175 days true 2.58 2%
catdonjaime 10/10 3176 days true 2.58 2%
Christian Jean Louis 9/10 3185 days true 2.56 2%
anniest 9/10 3187 days true 2.56 2%
vernenal 9/10 3187 days true 2.56 2%
Steven Walsh 4/10 3191 days true 2.41 2%
Christy 9/10 3193 days true 2.55 2%
Ulyate 7/10 3194 days true 2.55 2%
Andrea and Craig Swinson 9/10 3207 days true 2.53 2%
Bettina illmann 9/10 3209 days true 2.52 2%
Emily and Alex 10/10 3210 days true 2.52 2%
Anna 9/10 3213 days 2.1 1%
PatH 10/10 3227 days true 2.5 2%
Evan 9/10 3244 days true 2.47 2%
clairet 8/10 3292 days true 2.39 2%
zoed 8/10 3382 days true 2.24 1%
glennandjen 9/10 3397 days 1.85 1%
Sofie 9/10 3397 days 1.85 1%
Michael Maddams 8/10 3425 days true 2.17 1%
LaurensD 6/10 3427 days true 2.17 1%
gerhardm 8/10 3427 days true 2.17 1%
Ide 8/10 3428 days true 2.16 1%
Olga 7/10 3428 days true 2.16 1%
Sam 8/10 3428 days true 2.16 1%
Christopher 9/10 3431 days true 2.16 1%
Kim 9/10 3431 days true 2.16 1%
Marc 9/10 3431 days true 2.16 1%
SBlake 10/10 3432 days true 2.16 1%
Steve Harper 8/10 3434 days true 2.16 1%
WinstonH 8/10 3446 days true 2.14 1%
Silhan 9/10 3447 days true 2.13 1%
Elizabeth 10/10 3450 days true 2.13 1%
CarolineZ 9/10 3454 days true 2.12 1%
FloorN 9/10 3454 days true 2.12 1%
OllyD 9/10 3456 days true 2.12 1%
Sally477 9/10 3458 days 1.76 1%
Tom 9/10 3460 days true 2.11 1%
Tom 9/10 3460 days true 2.11 1%
Rafael 9/10 3463 days true 2.11 1%
soccaplaya14 9/10 3467 days 1.75 1%
AbigailB 10/10 3472 days true 2.09 1%
Simon 10/10 3476 days true 2.09 1%
Melanie 8/10 3477 days true 2.08 1%
Rob 7/10 3477 days true 2.08 1%
Simon 10/10 3477 days true 2.08 1%
orianne 8/10 3484 days 1.73 1%
Florian 9/10 3484 days true 2.07 1%
rustytrombone 9/10 3486 days 1.72 1%
Martha 7/10 3490 days true 2.06 1%
Thamar 9/10 3491 days true 2.06 1%
Karen 10/10 3491 days true 2.06 1%
Burkhardt 7/10 3493 days true 2.06 1%
Denis 10/10 3496 days true 2.05 1%
Kim 10/10 3498 days true 2.05 1%
Erik 8/10 3499 days true 2.05 1%
Lucas 10/10 3499 days true 2.05 1%
Jorn 8/10 3501 days true 2.04 1%
Hazel 6/10 3501 days true 2.04 1%
Andrew 9/10 3503 days true 2.04 1%
Jess 8/10 3553 days true 1.96 1%
Tim 7/10 3557 days true 1.95 1%
Jacinta 8/10 3557 days true 1.95 1%
Ben 10/10 3568 days true 1.93 1%
Richard 8/10 3606 days true 1.87 1%
David 10/10 3646 days true 1.81 1%
Kees 7/10 3651 days true 1.8 1%
Jorn 8/10 3659 days true 1.79 1%
Brian 10/10 3675 days true 1.76 1%
Nikki Gray 9/10 3677 days true 1.76 1%
Tim 8/10 3699 days true 1.72 1%
Mike Dudey 8/10 3708 days true 1.7 1%
Michael White 8/10 3789 days true 1.57 1%
Erin White 9/10 3790 days true 1.57 1%
Heckter 7/10 3798 days true 1.56 1%
Benjamin Krein 9/10 3818 days true 1.52 1%
Jacinta 8/10 3818 days true 1.52 1%
Tony Wicks 8/10 3824 days true 1.51 1%
Bethany Webster 10/10 3826 days true 1.51 1%
Hannah Holmes 7/10 3827 days true 1.51 1%
Miranda 7/10 3828 days true 1.51 1%
Amy 9/10 3836 days true 1.49 1%
Gina 10/10 3836 days true 1.49 1%
Julie 9/10 3836 days true 1.49 1%
Ed 8/10 3836 days true 1.49 1%
Laurie 10/10 3838 days true 1.49 1%
Katharina 10/10 3839 days true 1.49 1%
Juliet 10/10 3840 days true 1.49 1%
Laura 10/10 3840 days true 1.49 1%
Porrie 8/10 3852 days true 1.47 1%
Chris 10/10 3852 days true 1.47 1%
Dani 9/10 3852 days true 1.47 1%
Stacey 10/10 3852 days true 1.47 1%
Aske Helbor 6/10 3870 days true 1.44 1%
ranker_734 5/10 3870 days true 1.44 1%
Anu 8/10 3873 days true 1.43 1%
marie-pier Poulin 10/10 3897 days true 1.39 1%
Willemien 8/10 3919 days true 1.36 1%
Rob Boston 10/10 3975 days 1.05 0%
purplekat99 10/10 3975 days 1.05 0%
Jessica Callen 8/10 4029 days true 1.18 0%
Sabine 10/10 4139 days true 1.0 0%
Linda 8/10 4143 days true 0.99 0%
Helen 9/10 4145 days true 0.99 0%
Matt 8/10 4145 days true 0.99 0%
Richard 9/10 4145 days true 0.99 0%
ShoshanaAbrams 7/10 4148 days true 0.98 0%
Elaine 7/10 4148 days true 0.98 0%
Marcus 10/10 4155 days true 0.97 0%
Dave 6/10 4157 days true 0.97 0%
Fran 6/10 4157 days true 0.97 0%
Daniel 7/10 4157 days true 0.97 0%
Janning 8/10 4163 days true 0.96 0%
Melanie 9/10 4163 days true 0.96 0%
NeilYeoman 8/10 4164 days true 0.96 0%
Valerie 10/10 4164 days true 0.96 0%
Sean 7/10 4167 days true 0.95 0%
Marcus 9/10 4167 days true 0.95 0%
Katie 9/10 4167 days true 0.95 0%
Annette 8/10 4181 days true 0.93 0%
AnnaOwen 9/10 4182 days true 0.93 0%
Karen Nellist 10/10 4182 days true 0.93 0%
MariaNorman 10/10 4183 days true 0.92 0%
Malon 8/10 4183 days true 0.92 0%
Bill 10/10 4190 days true 0.91 0%
Suzy 9/10 4197 days true 0.9 0%
Nynne 8/10 4199 days true 0.9 0%
Johanne 9/10 4203 days true 0.89 0%
Twan 10/10 4203 days true 0.89 0%
FredAndersson 10/10 4203 days true 0.89 0%
Cat 9/10 4205 days true 0.89 0%
Akene 9/10 4205 days true 0.89 0%
Paul 3/10 4205 days true 0.82 0%
Stauros 10/10 4205 days true 0.89 0%
Majken 9/10 4216 days true 0.87 0%
Alexia 9/10 4216 days true 0.87 0%
ranker_410 10/10 4216 days true 0.87 0%
LisaAllen 9/10 4218 days true 0.87 0%

Adjustments

Several adjustments to the weighted average are added to improve relevancy and credibility. These adjustments apply equally to all experiences that meet the criteria.

Sample Size Adjustment

No Adjustment

A reasonable number of reviews are necessary in order for the average to be credible and for an experience to take a prime position within the ranking tables. As such, experiences with only a few reviews have a moderated score. This does not mean that the experience or the reviews can't be trusted. The The Legendary Black Water Rafting Co. experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-5.40% Adjustment

There may be an adjustment if an experience hasn't received any reviews within the last 60 days. However the The Legendary Black Water Rafting Co. experience does not meet the criteria for any adjustment.

In addition, an experience's ranking score may be adjusted for each day there is no new ranking. After 1 day the adjustment comes into effect. The maximum number of days that can be adjusted for is 364 days.

The The Legendary Black Water Rafting Co. experience has been adjusted for 270 days. Adjustments are according to the following table.

Days Adjustment
267 -5.34%
268 -5.36%
269 -5.38%
270 -5.40%
271 -5.42%
272 -5.44%
273 -5.46%

Final Ranking Score

80%

The final ranking score once adjustments and rounding has been applied. This value is cached and recalculated each day. Therefore it may not be precisely accurate based on the other values presented.

If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz.