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 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
87.25%
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 | 2913 days | 95% |
| Natasha Startup | 9/10 | 2945 days | 100% |
| Andy | 9/10 | 2950 days | 99% |
| Toby | 10/10 | 2956 days | 100% |
| Micha Kuster | 10/10 | 3014 days | 95% |
| Tim | 8/10 | 3030 days | 91% |
| Jendrik | 8/10 | 3030 days | 91% |
| Alice Frater | 7/10 | 3037 days | 84% |
| Jade Williams | 10/10 | 3050 days | 92% |
| Cora | 9/10 | 3291 days | 69% |
| Lauren Dinnage | 10/10 | 3299 days | 69% |
| Mike Munzenmaier | 9/10 | 3306 days | 68% |
| Matt Irwin | 8/10 | 3309 days | 66% |
| Annalies Beard | 8/10 | 3309 days | 66% |
| Laura Schafer | 9/10 | 3317 days | 67% |
| D Davey | 10/10 | 3326 days | 67% |
| Kirsten Gehrenbeck | 6/10 | 3328 days | 54% |
| Lucile Souday | 10/10 | 3337 days | 66% |
| Lisa Kalkert | 10/10 | 3338 days | 66% |
| David | 10/10 | 3338 days | 66% |
| Philip Piel | 9/10 | 3338 days | 65% |
| Miro | 6/10 | 3338 days | 53% |
| Chiara | 9/10 | 3338 days | 65% |
| Sabine Bergen | 9/10 | 3341 days | 65% |
| Annika Locker | 10/10 | 3344 days | 65% |
| Jess | 8/10 | 3375 days | 61% |
| Lilli Erni | 9/10 | 4008 days | 5% |
| Franz Birkefeld | 9/10 | 4009 days | 5% |
| Laina Black | 7/10 | 4029 days | 2% |
| Ricky White | 9/10 | 4029 days | 3% |
| Jennifer Garner | 9/10 | 4043 days | 2% |
| Philip Donachie | 10/10 | 4046 days | 2% |
| Klaus Petersen | 7/10 | 4048 days | 0% |
| Matthew Trezise | 10/10 | 4049 days | 2% |
| Lorraine Doyle | 10/10 | 4381 days | 18% |
| Lisa Blake | 9/10 | 4501 days | 18% |
| Jenben | 10/10 | 4515 days | 18% |
| David | 7/10 | 4515 days | 15% |
| Nikita Sue | 8/10 | 4782 days | 17% |
| Darren Ronchetti | 10/10 | 4785 days | 18% |
| Asha | 9/10 | 4820 days | 18% |
| Helen & Laurence | 9/10 | 4858 days | 18% |
| kirribilliangel | 10/10 | 4942 days | 18% |
| Dave van Bergen | 9/10 | 5090 days | 18% |
| Guult Ryan | 10/10 | 5112 days | 18% |
| Claire Colquhoun | 8/10 | 5113 days | 17% |
| Andy Johnson | 10/10 | 5117 days | 18% |
| Leanne Shepherd | 8/10 | 5118 days | 17% |
| Chris White | 10/10 | 5133 days | 18% |
| Jane & Regis | 7/10 | 5142 days | 15% |
| Invictus | 8/10 | 5307 days | 17% |
| craigy | 7/10 | 5338 days | 15% |
| Rob | 8/10 | 5408 days | 17% |
| David | 7/10 | 5424 days | 15% |
| Alzbeta Czech | 10/10 | 5505 days | 18% |
| Becky | 8/10 | 5512 days | 17% |
| Amer | 9/10 | 5516 days | 18% |
| Greg Gerritz | 8/10 | 5518 days | 17% |
| Chance McGuire | 10/10 | 5519 days | 18% |
| Hailey & Fin | 8/10 | 5531 days | 17% |
| pedawrds | 10/10 | 5570 days | 18% |
| thomash | 10/10 | 5575 days | 18% |
| asiacritics | 7/10 | 5581 days | 15% |
| Bue Verrept | 8/10 | 5588 days | 17% |
| canadianislandgirl | 7/10 | 5611 days | 15% |
| Ash Sturm | 9/10 | 5611 days | 18% |
| wileyman | 9/10 | 5642 days | 18% |
| clairet | 9/10 | 5690 days | 18% |
| ToryL | 9/10 | 5703 days | 18% |
| muriellef | 7/10 | 5707 days | 15% |
| katesh | 10/10 | 5780 days | 18% |
| caroldarren | 10/10 | 5825 days | 18% |
| Jake1 | 9/10 | 5827 days | 18% |
| HanT | 8/10 | 5834 days | 17% |
| Yvanna | 8/10 | 5844 days | 17% |
| EmmaL | 8/10 | 5858 days | 17% |
| AnthonyB1 | 8/10 | 5859 days | 17% |
| kiwibrit86 | 9/10 | 5868 days | 18% |
| Matt | 10/10 | 5874 days | 18% |
| SuenSwitzerland | 9/10 | 5884 days | 18% |
| Carolyn | 9/10 | 5887 days | 18% |
| Marcus | 8/10 | 5887 days | 17% |
| Kirsty | 10/10 | 5888 days | 18% |
| Fam | 9/10 | 5893 days | 18% |
| Hayley | 8/10 | 5899 days | 17% |
| Debbie Mossman | 9/10 | 5899 days | 18% |
| Alan | 8/10 | 5903 days | 17% |
| Claire | 10/10 | 5910 days | 18% |
| Spyfox | 10/10 | 5931 days | 18% |
| Sonja | 9/10 | 5938 days | 18% |
| Tim | 8/10 | 5945 days | 17% |
| Lorri S | 8/10 | 5949 days | 17% |
| lming60 | 10/10 | 5950 days | 18% |
| melissa | 10/10 | 5950 days | 18% |
| Vincent | 9/10 | 5955 days | 18% |
| Hanna | 5/10 | 5970 days | 7% |
| Henry | 8/10 | 5992 days | 17% |
| Laura | 9/10 | 6008 days | 18% |
| Dave | 9/10 | 6015 days | 18% |
| Anna | 8/10 | 6022 days | 17% |
| S D | 9/10 | 6039 days | 18% |
| Alex Paice | 9/10 | 6049 days | 18% |
| Nikki Gray | 9/10 | 6075 days | 18% |
| Kellie Teichmann | 10/10 | 6125 days | 18% |
| L1z4rd | 9/10 | 6144 days | 18% |
| Allie61 | 10/10 | 6190 days | 18% |
| Adam Richards | 9/10 | 6205 days | 18% |
| Nick | 9/10 | 6211 days | 18% |
| Andria Davis | 9/10 | 6218 days | 18% |
| Georgina Mulligan | 9/10 | 6218 days | 18% |
| catzmagic | 9/10 | 6218 days | 18% |
| Emily Houston | 7/10 | 6222 days | 15% |
| Nancy Dol | 8/10 | 6222 days | 17% |
| John Woodrow | 9/10 | 6226 days | 18% |
| Zara | 10/10 | 6234 days | 18% |
| Ed | 6/10 | 6234 days | 12% |
| Elle | 10/10 | 6234 days | 18% |
| Issy | 7/10 | 6234 days | 15% |
| Katharina | 10/10 | 6237 days | 18% |
| Juliet | 9/10 | 6238 days | 18% |
| paulonline | 10/10 | 6240 days | 18% |
| Marc Hertogs | 7/10 | 6241 days | 15% |
| Ash McNeil | 10/10 | 6241 days | 18% |
| Warren | 8/10 | 6265 days | 17% |
| Klaus | 9/10 | 6273 days | 18% |
| Ann Westmacott | 9/10 | 6299 days | 18% |
| Neil Cooke | 8/10 | 6307 days | 17% |
| Archie Murdoch | 8/10 | 6314 days | 17% |
| Orla | 8/10 | 6315 days | 17% |
| Andy Chapman | 8/10 | 6427 days | 17% |
| JanKovar | 7/10 | 6543 days | 15% |
| Magnus | 8/10 | 6555 days | 17% |
| Lorraine | 8/10 | 6561 days | 17% |
| Dan | 9/10 | 6566 days | 18% |
| Sarah | 8/10 | 6566 days | 17% |
| Richhouse | 8/10 | 6571 days | 17% |
| Emma Gareth | 9/10 | 6577 days | 18% |
| Karen Nellist | 10/10 | 6580 days | 18% |
| beesom | 9/10 | 6591 days | 18% |
| Janne | 7/10 | 6595 days | 15% |
| Frauke | 4/10 | 6597 days | 2% |
| Dave | 10/10 | 6602 days | 18% |
| RosalindBoyes | 7/10 | 6602 days | 15% |
| Hanna | 8/10 | 6603 days | 17% |
| LisaAllen | 10/10 | 6616 days | 18% |
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
-4.01% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 57 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 | -3.95% |
| 198 | -3.97% |
| 199 | -3.99% |
| 200 | -4.01% |
| 201 | -4.03% |
| 202 | -4.05% |
| 203 | -4.07% |
| … | … |
Balancing Adjustment
2.19% 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.