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 Skyline Luge Rotorua.
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.
Skyline Luge Rotorua
Valid Reviews
145 Valid Reviews
The Skyline Luge Rotorua experience has a total of 146 reviews. There are 145 valid reviews that are included when calculating the ranking score and 1 invalid review 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 145 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 40 |
|
28% |
| 9/10 | 47 |
|
32% |
| 8/10 | 36 |
|
25% |
| 7/10 | 17 |
|
12% |
| 6/10 | 3 |
|
2% |
| 5/10 | 1 |
|
1% |
| 4/10 | 1 |
|
1% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
86.69% Average
The raw data average (mean) for all the Skyline Luge Rotorua valid reviews is 86.69% and is based on 145 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
121 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 145 valid reviews, the experience has 121 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 121 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 31 |
|
26% |
| 9/10 | 38 |
|
31% |
| 8/10 | 34 |
|
28% |
| 7/10 | 13 |
|
11% |
| 6/10 | 3 |
|
2% |
| 5/10 | 1 |
|
1% |
| 4/10 | 1 |
|
1% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
86.12% Average
The raw data average (mean) for all the Skyline Luge Rotorua face-to-face reviews is 86.12% and is based on 121 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
87.19%
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 |
|---|---|---|---|
| Christian Paaske | 7/10 | 2872 days | 96% |
| Natasha Startup | 9/10 | 2904 days | 100% |
| Andy | 9/10 | 2909 days | 99% |
| Toby | 10/10 | 2915 days | 100% |
| Micha Kuster | 10/10 | 2973 days | 96% |
| Tim | 8/10 | 2989 days | 93% |
| Jendrik | 8/10 | 2989 days | 93% |
| Alice Frater | 7/10 | 2996 days | 88% |
| Jade Williams | 10/10 | 3009 days | 93% |
| Cora | 9/10 | 3250 days | 76% |
| Lauren Dinnage | 10/10 | 3258 days | 76% |
| Mike Munzenmaier | 9/10 | 3265 days | 75% |
| Matt Irwin | 8/10 | 3268 days | 74% |
| Annalies Beard | 8/10 | 3268 days | 74% |
| Laura Schafer | 9/10 | 3276 days | 74% |
| D Davey | 10/10 | 3285 days | 74% |
| Kirsten Gehrenbeck | 6/10 | 3287 days | 63% |
| Lucile Souday | 10/10 | 3296 days | 73% |
| Lisa Kalkert | 10/10 | 3297 days | 73% |
| David | 10/10 | 3297 days | 73% |
| Philip Piel | 9/10 | 3297 days | 72% |
| Miro | 6/10 | 3297 days | 63% |
| Chiara | 9/10 | 3297 days | 72% |
| Sabine Bergen | 9/10 | 3300 days | 72% |
| Annika Locker | 10/10 | 3303 days | 73% |
| Jess | 8/10 | 3334 days | 69% |
| Lilli Erni | 9/10 | 3967 days | 26% |
| Franz Birkefeld | 9/10 | 3968 days | 26% |
| Laina Black | 7/10 | 3988 days | 23% |
| Ricky White | 9/10 | 3988 days | 24% |
| Jennifer Garner | 9/10 | 4002 days | 23% |
| Philip Donachie | 10/10 | 4005 days | 24% |
| Klaus Petersen | 7/10 | 4007 days | 22% |
| Matthew Trezise | 10/10 | 4008 days | 23% |
| Lorraine Doyle | 10/10 | 4340 days | 0% |
| Lisa Blake | 9/10 | 4460 days | 33% |
| Jenben | 10/10 | 4474 days | 33% |
| David | 7/10 | 4474 days | 31% |
| Nikita Sue | 8/10 | 4741 days | 32% |
| Darren Ronchetti | 10/10 | 4744 days | 33% |
| Asha | 9/10 | 4779 days | 33% |
| Helen & Laurence | 9/10 | 4817 days | 33% |
| kirribilliangel | 10/10 | 4901 days | 33% |
| Dave van Bergen | 9/10 | 5049 days | 33% |
| Guult Ryan | 10/10 | 5071 days | 33% |
| Claire Colquhoun | 8/10 | 5072 days | 32% |
| Andy Johnson | 10/10 | 5076 days | 33% |
| Leanne Shepherd | 8/10 | 5077 days | 32% |
| Chris White | 10/10 | 5092 days | 33% |
| Jane & Regis | 7/10 | 5101 days | 31% |
| Invictus | 8/10 | 5266 days | 32% |
| craigy | 7/10 | 5297 days | 31% |
| Rob | 8/10 | 5367 days | 32% |
| David | 7/10 | 5383 days | 31% |
| Alzbeta Czech | 10/10 | 5464 days | 33% |
| Becky | 8/10 | 5471 days | 32% |
| Amer | 9/10 | 5475 days | 33% |
| Greg Gerritz | 8/10 | 5477 days | 32% |
| Chance McGuire | 10/10 | 5478 days | 33% |
| Hailey & Fin | 8/10 | 5490 days | 32% |
| pedawrds | 10/10 | 5529 days | 33% |
| thomash | 10/10 | 5534 days | 33% |
| asiacritics | 7/10 | 5540 days | 31% |
| Bue Verrept | 8/10 | 5547 days | 32% |
| canadianislandgirl | 7/10 | 5570 days | 31% |
| Ash Sturm | 9/10 | 5570 days | 33% |
| wileyman | 9/10 | 5601 days | 33% |
| clairet | 9/10 | 5649 days | 33% |
| ToryL | 9/10 | 5662 days | 33% |
| muriellef | 7/10 | 5666 days | 31% |
| katesh | 10/10 | 5739 days | 33% |
| caroldarren | 10/10 | 5784 days | 33% |
| Jake1 | 9/10 | 5786 days | 33% |
| HanT | 8/10 | 5793 days | 32% |
| Yvanna | 8/10 | 5803 days | 32% |
| EmmaL | 8/10 | 5817 days | 32% |
| AnthonyB1 | 8/10 | 5818 days | 32% |
| kiwibrit86 | 9/10 | 5827 days | 33% |
| Matt | 10/10 | 5833 days | 33% |
| SuenSwitzerland | 9/10 | 5843 days | 33% |
| Carolyn | 9/10 | 5846 days | 33% |
| Marcus | 8/10 | 5846 days | 32% |
| Kirsty | 10/10 | 5847 days | 33% |
| Fam | 9/10 | 5852 days | 33% |
| Hayley | 8/10 | 5858 days | 32% |
| Debbie Mossman | 9/10 | 5858 days | 33% |
| Alan | 8/10 | 5862 days | 32% |
| Claire | 10/10 | 5869 days | 33% |
| Spyfox | 10/10 | 5890 days | 33% |
| Sonja | 9/10 | 5897 days | 33% |
| Tim | 8/10 | 5904 days | 32% |
| Lorri S | 8/10 | 5908 days | 32% |
| lming60 | 10/10 | 5909 days | 33% |
| melissa | 10/10 | 5909 days | 33% |
| Vincent | 9/10 | 5914 days | 33% |
| Hanna | 5/10 | 5929 days | 25% |
| Henry | 8/10 | 5951 days | 32% |
| Laura | 9/10 | 5967 days | 33% |
| Dave | 9/10 | 5974 days | 33% |
| Anna | 8/10 | 5981 days | 32% |
| S D | 9/10 | 5997 days | 33% |
| Alex Paice | 9/10 | 6008 days | 33% |
| Nikki Gray | 9/10 | 6034 days | 33% |
| Kellie Teichmann | 10/10 | 6084 days | 33% |
| L1z4rd | 9/10 | 6103 days | 33% |
| Allie61 | 10/10 | 6149 days | 33% |
| Adam Richards | 9/10 | 6164 days | 33% |
| Nick | 9/10 | 6170 days | 33% |
| Andria Davis | 9/10 | 6177 days | 33% |
| Georgina Mulligan | 9/10 | 6177 days | 33% |
| catzmagic | 9/10 | 6177 days | 33% |
| Emily Houston | 7/10 | 6181 days | 31% |
| Nancy Dol | 8/10 | 6181 days | 32% |
| John Woodrow | 9/10 | 6185 days | 33% |
| Zara | 10/10 | 6193 days | 33% |
| Ed | 6/10 | 6193 days | 28% |
| Elle | 10/10 | 6193 days | 33% |
| Issy | 7/10 | 6193 days | 31% |
| Katharina | 10/10 | 6196 days | 33% |
| Juliet | 9/10 | 6197 days | 33% |
| paulonline | 10/10 | 6199 days | 33% |
| Marc Hertogs | 7/10 | 6200 days | 31% |
| Ash McNeil | 10/10 | 6200 days | 33% |
| Warren | 8/10 | 6224 days | 32% |
| Klaus | 9/10 | 6232 days | 33% |
| Ann Westmacott | 9/10 | 6258 days | 33% |
| Neil Cooke | 8/10 | 6266 days | 32% |
| Archie Murdoch | 8/10 | 6273 days | 32% |
| Orla | 8/10 | 6274 days | 32% |
| Andy Chapman | 8/10 | 6386 days | 32% |
| JanKovar | 7/10 | 6502 days | 31% |
| Magnus | 8/10 | 6514 days | 32% |
| Lorraine | 8/10 | 6520 days | 32% |
| Dan | 9/10 | 6525 days | 33% |
| Sarah | 8/10 | 6525 days | 32% |
| Richhouse | 8/10 | 6530 days | 32% |
| Emma Gareth | 9/10 | 6536 days | 33% |
| Karen Nellist | 10/10 | 6539 days | 33% |
| beesom | 9/10 | 6550 days | 33% |
| Janne | 7/10 | 6554 days | 31% |
| Frauke | 4/10 | 6556 days | 21% |
| Dave | 10/10 | 6561 days | 33% |
| RosalindBoyes | 7/10 | 6561 days | 31% |
| Hanna | 8/10 | 6562 days | 32% |
| LisaAllen | 10/10 | 6575 days | 33% |
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 Skyline Luge Rotorua 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 49 days. However the Skyline Luge Rotorua 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 Skyline Luge Rotorua 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
2.24% 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
85%
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.