Kia ora, 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.
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Rafting New Zealand
Valid Reviews
259 Valid Reviews
The Rafting New Zealand experience has a total of 267 reviews. There are 259 valid reviews that are included when calculating the ranking score and 8 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 259 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 245 |
|
95% |
| 9/10 | 10 |
|
4% |
| 8/10 | 3 |
|
1% |
| 7/10 | 0 |
|
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% |
99.23% Average
The raw data average (mean) for all the Rafting New Zealand valid reviews is 99.23% and is based on 259 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
10 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 259 valid reviews, the experience has 10 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 10 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 4 |
|
40% |
| 9/10 | 5 |
|
50% |
| 8/10 | 1 |
|
10% |
| 7/10 | 0 |
|
0% |
| 6/10 | 0 |
|
0% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
93.00% Average
The raw data average (mean) for all the Rafting New Zealand face-to-face reviews is 93.00% and is based on 10 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
99.39%
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 | 1671 days | 100% |
| Jordan Kapinga | 10/10 | 1733 days | 86% |
| Chelsie Robertson | 10/10 | 1733 days | 86% |
| Tanea Eru | 10/10 | 1733 days | 86% |
| Rose Ransfield | 10/10 | 1733 days | 86% |
| Kerry | 10/10 | 1733 days | 86% |
| Sarah | 10/10 | 1733 days | 86% |
| Hannah | 10/10 | 1976 days | 74% |
| Peter Parker | 10/10 | 2068 days | 71% |
| ELAINE GORDON | 10/10 | 2190 days | 67% |
| Andrew Taylor | 10/10 | 2221 days | 66% |
| Lino | 9/10 | 2311 days | 62% |
| Jordan Bell | 10/10 | 2371 days | 61% |
| Master Bell | 10/10 | 2372 days | 61% |
| Poppy | 10/10 | 2372 days | 61% |
| Te Wai | 10/10 | 2372 days | 61% |
| Storm | 10/10 | 2372 days | 61% |
| James | 10/10 | 2402 days | 60% |
| TB | 10/10 | 2402 days | 60% |
| Damian | 10/10 | 2402 days | 60% |
| Paora | 10/10 | 2464 days | 58% |
| Suzette | 10/10 | 2555 days | 55% |
| Aaron | 10/10 | 2555 days | 55% |
| Arizona | 10/10 | 2555 days | 55% |
| Blake | 10/10 | 2555 days | 55% |
| Mark Brabyn | 10/10 | 2555 days | 55% |
| Erica | 10/10 | 2555 days | 55% |
| Victoria | 10/10 | 2555 days | 55% |
| Heather | 10/10 | 2586 days | 54% |
| Wikitoria Tangihaere | 10/10 | 2645 days | 53% |
| Tulip Te Whata | 10/10 | 2675 days | 52% |
| Kahui | 10/10 | 2737 days | 50% |
| Vicki Mayo | 10/10 | 2766 days | 49% |
| JessicaAnne | 10/10 | 2828 days | 47% |
| amanda pritchard | 10/10 | 2828 days | 47% |
| Tiwana Tibble | 9/10 | 2858 days | 45% |
| Nancy Milligan | 10/10 | 2889 days | 45% |
| KC B | 10/10 | 2978 days | 42% |
| Brandon Cassidy | 9/10 | 2983 days | 24% |
| Nicole Murphy | 10/10 | 3009 days | 41% |
| Sharon Madsen | 10/10 | 3009 days | 41% |
| Bullet | 10/10 | 3040 days | 40% |
| Sarah H | 10/10 | 3131 days | 37% |
| Shadae Gibson | 10/10 | 3131 days | 37% |
| Rain Ruan | 10/10 | 3193 days | 35% |
| liang wan | 10/10 | 3193 days | 35% |
| Leila Martley | 10/10 | 3193 days | 35% |
| Sassan | 10/10 | 3254 days | 33% |
| Oliver Glosby | 10/10 | 3254 days | 33% |
| Jo Lee | 10/10 | 3284 days | 33% |
| Rish Balejko | 10/10 | 3284 days | 33% |
| David Julius | 10/10 | 3284 days | 33% |
| Matt Lee | 10/10 | 3284 days | 33% |
| Miroslav Bazala | 10/10 | 3315 days | 32% |
| Judah Wikeepa | 10/10 | 3315 days | 32% |
| Torran Lepper | 10/10 | 3316 days | 32% |
| Anders Hauke | 10/10 | 3342 days | 18% |
| Mr Bubbles | 10/10 | 3344 days | 31% |
| Rani Smallman | 10/10 | 3345 days | 31% |
| Therese and Matthias | 10/10 | 3362 days | 17% |
| Suzy Danko | 10/10 | 3375 days | 30% |
| Sue Pagura | 10/10 | 3375 days | 30% |
| evan huang | 10/10 | 3375 days | 30% |
| Selina You | 8/10 | 3406 days | 28% |
| Kyla Russell | 10/10 | 3406 days | 29% |
| Jackie Russell | 10/10 | 3406 days | 29% |
| Tash Paora | 10/10 | 3406 days | 29% |
| Anna Thrift | 10/10 | 3437 days | 28% |
| Sven Koch | 10/10 | 3437 days | 28% |
| Kerri Butler | 10/10 | 3467 days | 27% |
| Michelle & Mark Forte | 10/10 | 3467 days | 27% |
| Ashley Wehi | 10/10 | 3468 days | 27% |
| Tony Bennet | 10/10 | 3528 days | 25% |
| Dana Calvin | 10/10 | 3528 days | 25% |
| fran neal | 10/10 | 3620 days | 22% |
| Sharee Lane | 10/10 | 3620 days | 22% |
| dannielle porteous | 10/10 | 3620 days | 22% |
| Jethro Cooke | 10/10 | 3650 days | 21% |
| Michael Bowie | 10/10 | 3650 days | 21% |
| lillyonsod@gmail.com Onsod | 10/10 | 3709 days | 19% |
| Bernd Heimhuber | 10/10 | 3740 days | 18% |
| Loz Picen | 10/10 | 3771 days | 17% |
| Nico Duval | 10/10 | 3832 days | 15% |
| Anahera Whaanga | 10/10 | 3986 days | 10% |
| Adam Burden | 10/10 | 4016 days | 10% |
| Laura Pugh | 10/10 | 4016 days | 10% |
| Andreas Efstathiou | 10/10 | 4016 days | 10% |
| Danley Vince | 10/10 | 4016 days | 10% |
| Tony Holden | 10/10 | 4016 days | 10% |
| Lacey Hollins | 10/10 | 4046 days | 9% |
| yuk lynn chen | 10/10 | 4047 days | 9% |
| Kimberley Thomas | 10/10 | 4047 days | 9% |
| Georgia Macfarlane | 10/10 | 4047 days | 9% |
| Jordan Putt | 10/10 | 4047 days | 9% |
| rafting5664xxqwerty | 10/10 | 4047 days | 9% |
| Sarah Portas | 10/10 | 4047 days | 9% |
| Shay Moon | 10/10 | 4074 days | 8% |
| Tony Billett | 10/10 | 4106 days | 7% |
| Keith Nelson | 10/10 | 4106 days | 7% |
| Dee | 10/10 | 4167 days | 5% |
| Jess Perry | 10/10 | 4167 days | 5% |
| Lisa Kemp | 10/10 | 4167 days | 5% |
| Callum Learmonth | 10/10 | 4198 days | 4% |
| Glen Liu | 10/10 | 4198 days | 4% |
| Aly Learmonth | 10/10 | 4198 days | 4% |
| Tamar Learmonth | 10/10 | 4198 days | 4% |
| Bindi Thomas | 10/10 | 4259 days | 2% |
| Raj Paul | 10/10 | 4320 days | 0% |
| Melissa Ward | 10/10 | 4381 days | 14% |
| Quintin Hislop | 10/10 | 4381 days | 14% |
| Jasmine Hall | 10/10 | 4381 days | 14% |
| Gabrielle & Shawn Scott | 10/10 | 4440 days | 14% |
| isharpe | 10/10 | 4440 days | 14% |
| Mungy | 8/10 | 4471 days | 14% |
| eddieslee | 10/10 | 4471 days | 14% |
| maureen slee | 10/10 | 4471 days | 14% |
| David Butler | 10/10 | 4471 days | 14% |
| Jake Sommers | 10/10 | 4502 days | 14% |
| WendyRae | 9/10 | 4563 days | 14% |
| annette7B | 10/10 | 4563 days | 14% |
| Emma White | 9/10 | 4563 days | 14% |
| justinstewart | 10/10 | 4593 days | 14% |
| Emilydodo | 10/10 | 4593 days | 14% |
| shackni | 10/10 | 4655 days | 14% |
| PihaIndy | 10/10 | 4655 days | 14% |
| Kirsty | 10/10 | 4655 days | 14% |
| Kiz | 10/10 | 4655 days | 14% |
| willmack | 10/10 | 4655 days | 14% |
| stella71 | 10/10 | 4685 days | 14% |
| BNZ_NewPlymouth | 10/10 | 4716 days | 14% |
| Abbott | 10/10 | 4716 days | 14% |
| Arizona8 | 10/10 | 4716 days | 14% |
| Binnsie | 10/10 | 4746 days | 14% |
| nsalter05 | 10/10 | 4746 days | 14% |
| joauer | 10/10 | 4746 days | 14% |
| lizy_t01 | 10/10 | 4777 days | 14% |
| hottine | 10/10 | 4777 days | 14% |
| georger | 10/10 | 4777 days | 14% |
| cravedesign | 10/10 | 4777 days | 14% |
| Deez | 10/10 | 4777 days | 14% |
| sam26 | 10/10 | 4777 days | 14% |
| ffitz1 | 10/10 | 4777 days | 14% |
| banana2879 | 10/10 | 4806 days | 14% |
| monni | 10/10 | 4837 days | 14% |
| adebortoli | 10/10 | 4837 days | 14% |
| Brewgardner | 10/10 | 4837 days | 14% |
| jackson78 | 6/10 | 4837 days | 12% |
| nscalder | 10/10 | 4837 days | 14% |
| Niccastle | 10/10 | 4837 days | 14% |
| mike3950 | 10/10 | 4837 days | 14% |
| Kiana | 10/10 | 4837 days | 14% |
| sway | 10/10 | 4837 days | 14% |
| mazandbaz4eva | 10/10 | 4837 days | 14% |
| JosieMP | 10/10 | 4837 days | 14% |
| JoBullock | 10/10 | 4837 days | 14% |
| SJMJTL | 10/10 | 4868 days | 14% |
| hetheringtons | 10/10 | 4868 days | 14% |
| Ganga | 10/10 | 4868 days | 14% |
| Maca | 10/10 | 4868 days | 14% |
| Katiepettigrew | 10/10 | 4868 days | 14% |
| Mueveese21 | 10/10 | 4868 days | 14% |
| shague | 10/10 | 4898 days | 14% |
| andreal | 10/10 | 4898 days | 14% |
| lucyw | 10/10 | 4898 days | 14% |
| Caro954 | 10/10 | 4898 days | 14% |
| scubafaris | 10/10 | 4898 days | 14% |
| Xenathedog | 10/10 | 4929 days | 14% |
| sandwa22 | 10/10 | 4929 days | 14% |
| Tennantm | 10/10 | 4929 days | 14% |
| mrsteed | 10/10 | 4959 days | 14% |
| vtribello | 10/10 | 4959 days | 14% |
| LucyM | 10/10 | 4959 days | 14% |
| Bretherton | 10/10 | 4990 days | 14% |
| kathryn_mildon | 10/10 | 4990 days | 14% |
| Georgia_and_Paul | 10/10 | 4990 days | 14% |
| potplantman | 10/10 | 4990 days | 14% |
| TommyT | 10/10 | 4990 days | 14% |
| Deloitte_ERS_NZ | 10/10 | 4990 days | 14% |
| Robyn88 | 10/10 | 5021 days | 14% |
| aryav | 10/10 | 5021 days | 14% |
| gems | 9/10 | 5021 days | 14% |
| EmmaKara | 10/10 | 5051 days | 14% |
| Karlabalfour | 10/10 | 5051 days | 14% |
| taritabaquie | 10/10 | 5051 days | 14% |
| Naez | 10/10 | 5051 days | 14% |
| janeti | 10/10 | 5051 days | 14% |
| josh | 10/10 | 5082 days | 14% |
| kiwiguy | 10/10 | 5082 days | 14% |
| Pitbull | 10/10 | 5082 days | 14% |
| the_catalpa | 10/10 | 5112 days | 14% |
| sscharlott | 10/10 | 5112 days | 14% |
| Khipperson | 10/10 | 5112 days | 14% |
| TarshKTM125 | 10/10 | 5112 days | 14% |
| dnlpry | 10/10 | 5112 days | 14% |
| jessid | 10/10 | 5112 days | 14% |
| Juls | 10/10 | 5112 days | 14% |
| hammyp | 10/10 | 5112 days | 14% |
| Adrian Beckett | 9/10 | 5139 days | 8% |
| Carolin | 9/10 | 5142 days | 8% |
| PFA | 10/10 | 5143 days | 14% |
| lycrawford85 | 10/10 | 5143 days | 14% |
| richardjrussell | 10/10 | 5143 days | 14% |
| matineeidol74 | 10/10 | 5143 days | 14% |
| zxangel | 10/10 | 5143 days | 14% |
| Stefan Morris | 9/10 | 5162 days | 8% |
| Jessie Currie | 9/10 | 5162 days | 8% |
| Daniel Lang | 8/10 | 5164 days | 7% |
| erikp13 | 10/10 | 5171 days | 14% |
| wannaraft | 10/10 | 5171 days | 14% |
| hakim0101 | 10/10 | 5171 days | 14% |
| Scd44 | 10/10 | 5171 days | 14% |
| Fiona Page | 10/10 | 5202 days | 14% |
| marriners | 10/10 | 5202 days | 14% |
| bigL | 10/10 | 5202 days | 14% |
| KarenKennedy | 10/10 | 5202 days | 14% |
| thebouzaids | 10/10 | 5202 days | 14% |
| austin5 | 10/10 | 5202 days | 14% |
| bentley_hewitts | 10/10 | 5202 days | 14% |
| pamaho | 10/10 | 5202 days | 14% |
| Lizard | 10/10 | 5202 days | 14% |
| ewok74 | 10/10 | 5202 days | 14% |
| Canty35 | 10/10 | 5202 days | 14% |
| Rustyd | 10/10 | 5233 days | 14% |
| caprius | 10/10 | 5263 days | 14% |
| fleurtie | 10/10 | 5263 days | 14% |
| Tanja | 10/10 | 5294 days | 14% |
| katiec82 | 10/10 | 5355 days | 14% |
| Kyle88 | 10/10 | 5355 days | 14% |
| gemmamalpas | 10/10 | 5355 days | 14% |
| Nelli | 10/10 | 5355 days | 14% |
| tuyphon | 10/10 | 5416 days | 14% |
| Sam Bishop | 10/10 | 5508 days | 14% |
| Nikki Brown | 10/10 | 5508 days | 14% |
| Andreas Backes | 10/10 | 5508 days | 14% |
| Anna | 10/10 | 5536 days | 14% |
| anaru | 10/10 | 5536 days | 14% |
| Jazman | 10/10 | 5567 days | 14% |
| stroalki | 10/10 | 5567 days | 14% |
| Sam Jones | 10/10 | 5567 days | 14% |
| saswoo | 10/10 | 5598 days | 14% |
| Hmabch | 10/10 | 5598 days | 14% |
| Andre Peklaj | 10/10 | 5598 days | 14% |
| Jane | 10/10 | 5598 days | 14% |
| liz | 10/10 | 5598 days | 14% |
| fridays | 10/10 | 5598 days | 14% |
| kiwifamily | 10/10 | 5628 days | 14% |
| zenzen | 10/10 | 5628 days | 14% |
| Emz | 10/10 | 5659 days | 14% |
| Cayla Perry | 10/10 | 5659 days | 14% |
| Dudley | 10/10 | 5689 days | 14% |
| Jason Wood | 10/10 | 5689 days | 14% |
| Siobhain O'Shea | 10/10 | 5781 days | 14% |
| Cat | 10/10 | 5842 days | 14% |
| Kate | 10/10 | 5867 days | 14% |
| Caron Dzermajko | 10/10 | 5879 days | 14% |
| Kelly | 10/10 | 5908 days | 8% |
| Leanne | 10/10 | 5972 days | 14% |
| scott ross | 10/10 | 5976 days | 14% |
| Andrew | 10/10 | 6025 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
-3.77% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 60 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 | -3.72% |
| 198 | -3.73% |
| 199 | -3.75% |
| 200 | -3.77% |
| 201 | -3.79% |
| 202 | -3.81% |
| 203 | -3.83% |
| … | … |
Balancing Adjustment
0.38% 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.