Hi, 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 Rafting New Zealand.

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.

CC
Cymen Crick's avatar

Cymen Crick

Rankers Owner

Rafting New Zealand

Valid Reviews

260 Valid Reviews

The Rafting New Zealand experience has a total of 267 reviews. There are 260 valid reviews that are included when calculating the ranking score and 7 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 260 valid reviews:

Rating Count Percentage
10/10 245
94%
9/10 10
4%
8/10 3
1%
7/10 1
0%
6/10 1
0%
5/10 0
0%
4/10 0
0%
3/10 0
0%
2/10 0
0%
1/10 0
0%

99.12% Average

The raw data average (mean) for all the Rafting New Zealand valid reviews is 99.12% and is based on 260 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

11 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 260 valid reviews, the experience has 11 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 11 face-to-face reviews:

Rating Count Percentage
10/10 4
36%
9/10 5
45%
8/10 1
9%
7/10 1
9%
6/10 0
0%
5/10 0
0%
4/10 0
0%
3/10 0
0%
2/10 0
0%
1/10 0
0%

90.91% Average

The raw data average (mean) for all the Rafting New Zealand face-to-face reviews is 90.91% and is based on 11 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

99.32%

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
Darryll Eliason 10/10 1634 days 100%
Jordan Kapinga 10/10 1696 days 84%
Chelsie Robertson 10/10 1696 days 84%
Tanea Eru 10/10 1696 days 84%
Rose Ransfield 10/10 1696 days 84%
Kerry 10/10 1696 days 84%
Sarah 10/10 1696 days 84%
Hannah 10/10 1939 days 67%
Peter Parker 10/10 2031 days 65%
ELAINE GORDON 10/10 2153 days 61%
Andrew Taylor 10/10 2184 days 60%
Lino 9/10 2274 days 57%
Jordan Bell 10/10 2334 days 56%
Master Bell 10/10 2335 days 56%
Poppy 10/10 2335 days 56%
Te Wai 10/10 2335 days 56%
Storm 10/10 2335 days 56%
James 10/10 2365 days 55%
TB 10/10 2365 days 55%
Damian 10/10 2365 days 55%
Paora 10/10 2427 days 54%
Suzette 10/10 2518 days 51%
Aaron 10/10 2518 days 51%
Arizona 10/10 2518 days 51%
Blake 10/10 2518 days 51%
Mark Brabyn 10/10 2518 days 51%
Erica 10/10 2518 days 51%
Victoria 10/10 2518 days 51%
Heather 10/10 2549 days 50%
Wikitoria Tangihaere 10/10 2608 days 48%
Tulip Te Whata 10/10 2638 days 48%
Kahui 10/10 2700 days 46%
Vicki Mayo 10/10 2729 days 45%
JessicaAnne 10/10 2791 days 43%
amanda pritchard 10/10 2791 days 43%
Tiwana Tibble 9/10 2821 days 42%
Nancy Milligan 10/10 2852 days 42%
KC B 10/10 2941 days 39%
Brandon Cassidy 9/10 2946 days 23%
Nicole Murphy 10/10 2972 days 38%
Sharon Madsen 10/10 2972 days 38%
Bullet 10/10 3003 days 37%
Sarah H 10/10 3094 days 35%
Shadae Gibson 10/10 3094 days 35%
Rain Ruan 10/10 3156 days 33%
liang wan 10/10 3156 days 33%
Leila Martley 10/10 3156 days 33%
Sassan 10/10 3217 days 31%
Oliver Glosby 10/10 3217 days 31%
Jo Lee 10/10 3247 days 31%
Rish Balejko 10/10 3247 days 31%
David Julius 10/10 3247 days 31%
Matt Lee 10/10 3247 days 31%
Miroslav Bazala 10/10 3278 days 30%
Judah Wikeepa 10/10 3278 days 30%
Torran Lepper 10/10 3279 days 30%
Anders Hauke 10/10 3305 days 17%
Mr Bubbles 10/10 3307 days 29%
Rani Smallman 10/10 3308 days 29%
Anna Doßler 7/10 3314 days 15%
Therese and Matthias 10/10 3325 days 17%
Suzy Danko 10/10 3338 days 28%
Sue Pagura 10/10 3338 days 28%
evan huang 10/10 3338 days 28%
Selina You 8/10 3369 days 27%
Kyla Russell 10/10 3369 days 27%
Jackie Russell 10/10 3369 days 27%
Tash Paora 10/10 3369 days 27%
Anna Thrift 10/10 3400 days 26%
Sven Koch 10/10 3400 days 26%
Kerri Butler 10/10 3430 days 26%
Michelle & Mark Forte 10/10 3430 days 26%
Ashley Wehi 10/10 3431 days 25%
Tony Bennet 10/10 3491 days 24%
Dana Calvin 10/10 3491 days 24%
fran neal 10/10 3583 days 21%
Sharee Lane 10/10 3583 days 21%
dannielle porteous 10/10 3583 days 21%
Jethro Cooke 10/10 3613 days 20%
Michael Bowie 10/10 3613 days 20%
lillyonsod@gmail.com Onsod 10/10 3672 days 19%
Bernd Heimhuber 10/10 3703 days 18%
Loz Picen 10/10 3734 days 17%
Nico Duval 10/10 3795 days 15%
Anahera Whaanga 10/10 3949 days 11%
Adam Burden 10/10 3979 days 10%
Laura Pugh 10/10 3979 days 10%
Andreas Efstathiou 10/10 3979 days 10%
Danley Vince 10/10 3979 days 10%
Tony Holden 10/10 3979 days 10%
Lacey Hollins 10/10 4009 days 9%
yuk lynn chen 10/10 4010 days 9%
Kimberley Thomas 10/10 4010 days 9%
Georgia Macfarlane 10/10 4010 days 9%
Jordan Putt 10/10 4010 days 9%
rafting5664xxqwerty 10/10 4010 days 9%
Sarah Portas 10/10 4010 days 9%
Shay Moon 10/10 4037 days 9%
Tony Billett 10/10 4069 days 8%
Keith Nelson 10/10 4069 days 8%
Dee 10/10 4130 days 6%
Jess Perry 10/10 4130 days 6%
Lisa Kemp 10/10 4130 days 6%
Callum Learmonth 10/10 4161 days 5%
Glen Liu 10/10 4161 days 5%
Aly Learmonth 10/10 4161 days 5%
Tamar Learmonth 10/10 4161 days 5%
Bindi Thomas 10/10 4222 days 3%
Raj Paul 10/10 4283 days 2%
Melissa Ward 10/10 4344 days 0%
Quintin Hislop 10/10 4344 days 0%
Jasmine Hall 10/10 4344 days 0%
Gabrielle & Shawn Scott 10/10 4403 days 13%
isharpe 10/10 4403 days 13%
Mungy 8/10 4434 days 13%
eddieslee 10/10 4434 days 13%
maureen slee 10/10 4434 days 13%
David Butler 10/10 4434 days 13%
Jake Sommers 10/10 4465 days 13%
WendyRae 9/10 4526 days 13%
annette7B 10/10 4526 days 13%
Emma White 9/10 4526 days 13%
justinstewart 10/10 4556 days 13%
Emilydodo 10/10 4556 days 13%
shackni 10/10 4618 days 13%
PihaIndy 10/10 4618 days 13%
Kirsty 10/10 4618 days 13%
Kiz 10/10 4618 days 13%
willmack 10/10 4618 days 13%
stella71 10/10 4648 days 13%
BNZ_NewPlymouth 10/10 4679 days 13%
Abbott 10/10 4679 days 13%
Arizona8 10/10 4679 days 13%
Binnsie 10/10 4709 days 13%
nsalter05 10/10 4709 days 13%
joauer 10/10 4709 days 13%
lizy_t01 10/10 4740 days 13%
hottine 10/10 4740 days 13%
georger 10/10 4740 days 13%
cravedesign 10/10 4740 days 13%
Deez 10/10 4740 days 13%
sam26 10/10 4740 days 13%
ffitz1 10/10 4740 days 13%
banana2879 10/10 4769 days 13%
monni 10/10 4800 days 13%
adebortoli 10/10 4800 days 13%
Brewgardner 10/10 4800 days 13%
jackson78 6/10 4800 days 11%
nscalder 10/10 4800 days 13%
Niccastle 10/10 4800 days 13%
mike3950 10/10 4800 days 13%
Kiana 10/10 4800 days 13%
sway 10/10 4800 days 13%
mazandbaz4eva 10/10 4800 days 13%
JosieMP 10/10 4800 days 13%
JoBullock 10/10 4800 days 13%
SJMJTL 10/10 4831 days 13%
hetheringtons 10/10 4831 days 13%
Ganga 10/10 4831 days 13%
Maca 10/10 4831 days 13%
Katiepettigrew 10/10 4831 days 13%
Mueveese21 10/10 4831 days 13%
shague 10/10 4861 days 13%
andreal 10/10 4861 days 13%
lucyw 10/10 4861 days 13%
Caro954 10/10 4861 days 13%
scubafaris 10/10 4861 days 13%
Xenathedog 10/10 4892 days 13%
sandwa22 10/10 4892 days 13%
Tennantm 10/10 4892 days 13%
mrsteed 10/10 4922 days 13%
vtribello 10/10 4922 days 13%
LucyM 10/10 4922 days 13%
Bretherton 10/10 4953 days 13%
kathryn_mildon 10/10 4953 days 13%
Georgia_and_Paul 10/10 4953 days 13%
potplantman 10/10 4953 days 13%
TommyT 10/10 4953 days 13%
Deloitte_ERS_NZ 10/10 4953 days 13%
Robyn88 10/10 4984 days 13%
aryav 10/10 4984 days 13%
gems 9/10 4984 days 13%
EmmaKara 10/10 5014 days 13%
Karlabalfour 10/10 5014 days 13%
taritabaquie 10/10 5014 days 13%
Naez 10/10 5014 days 13%
janeti 10/10 5014 days 13%
josh 10/10 5045 days 13%
kiwiguy 10/10 5045 days 13%
Pitbull 10/10 5045 days 13%
the_catalpa 10/10 5075 days 13%
sscharlott 10/10 5075 days 13%
Khipperson 10/10 5075 days 13%
TarshKTM125 10/10 5075 days 13%
dnlpry 10/10 5075 days 13%
jessid 10/10 5075 days 13%
Juls 10/10 5075 days 13%
hammyp 10/10 5075 days 13%
Adrian Beckett 9/10 5102 days 7%
Carolin 9/10 5105 days 7%
PFA 10/10 5106 days 13%
lycrawford85 10/10 5106 days 13%
richardjrussell 10/10 5106 days 13%
matineeidol74 10/10 5106 days 13%
zxangel 10/10 5106 days 13%
Stefan Morris 9/10 5125 days 7%
Jessie Currie 9/10 5125 days 7%
Daniel Lang 8/10 5127 days 7%
erikp13 10/10 5134 days 13%
wannaraft 10/10 5134 days 13%
hakim0101 10/10 5134 days 13%
Scd44 10/10 5134 days 13%
Fiona Page 10/10 5165 days 13%
marriners 10/10 5165 days 13%
bigL 10/10 5165 days 13%
KarenKennedy 10/10 5165 days 13%
thebouzaids 10/10 5165 days 13%
austin5 10/10 5165 days 13%
bentley_hewitts 10/10 5165 days 13%
pamaho 10/10 5165 days 13%
Lizard 10/10 5165 days 13%
ewok74 10/10 5165 days 13%
Canty35 10/10 5165 days 13%
Rustyd 10/10 5196 days 13%
caprius 10/10 5226 days 13%
fleurtie 10/10 5226 days 13%
Tanja 10/10 5257 days 13%
katiec82 10/10 5318 days 13%
Kyle88 10/10 5318 days 13%
gemmamalpas 10/10 5318 days 13%
Nelli 10/10 5318 days 13%
tuyphon 10/10 5379 days 13%
Sam Bishop 10/10 5471 days 13%
Nikki Brown 10/10 5471 days 13%
Andreas Backes 10/10 5471 days 13%
Anna 10/10 5499 days 13%
anaru 10/10 5499 days 13%
Jazman 10/10 5530 days 13%
stroalki 10/10 5530 days 13%
Sam Jones 10/10 5530 days 13%
saswoo 10/10 5561 days 13%
Hmabch 10/10 5561 days 13%
Andre Peklaj 10/10 5561 days 13%
Jane 10/10 5561 days 13%
liz 10/10 5561 days 13%
fridays 10/10 5561 days 13%
kiwifamily 10/10 5591 days 13%
zenzen 10/10 5591 days 13%
Emz 10/10 5622 days 13%
Cayla Perry 10/10 5622 days 13%
Dudley 10/10 5652 days 13%
Jason Wood 10/10 5652 days 13%
Siobhain O'Shea 10/10 5744 days 13%
Cat 10/10 5805 days 13%
Kate 10/10 5830 days 13%
Caron Dzermajko 10/10 5842 days 13%
Kelly 10/10 5871 days 8%
Leanne 10/10 5935 days 13%
scott ross 10/10 5939 days 13%
Andrew 10/10 5988 days 8%

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 Rafting New Zealand experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-4.14% Adjustment

There may be an adjustment if this experience hasn't received any reviews within the last 53 days. However the Rafting New Zealand 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 200 days. Due to the seasonal nature of many businesses, this adjustment is applied dynamically throughout the year.

The Rafting New Zealand experience has been adjusted for 200 days. Adjustments are according to the following table.

Days Adjustment
197 -4.08%
198 -4.10%
199 -4.12%
200 -4.14%
201 -4.16%
202 -4.18%
203 -4.20%

Balancing Adjustment

0.42% 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 customers 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

96%

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.