G'day, 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 Buller Gorge Swingbridge.
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.
Buller Gorge Swingbridge
Valid Reviews
131 Valid Reviews
The Buller Gorge Swingbridge experience has a total of 133 reviews. There are 131 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 131 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 16 |
|
12% |
| 9/10 | 11 |
|
8% |
| 8/10 | 28 |
|
21% |
| 7/10 | 19 |
|
15% |
| 6/10 | 14 |
|
11% |
| 5/10 | 12 |
|
9% |
| 4/10 | 10 |
|
8% |
| 3/10 | 10 |
|
8% |
| 2/10 | 5 |
|
4% |
| 1/10 | 6 |
|
5% |
64.58% Average
The raw data average (mean) for all the Buller Gorge Swingbridge valid reviews is 64.58% and is based on 131 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
118 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 131 valid reviews, the experience has 118 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 118 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 14 |
|
12% |
| 9/10 | 10 |
|
8% |
| 8/10 | 27 |
|
23% |
| 7/10 | 18 |
|
15% |
| 6/10 | 12 |
|
10% |
| 5/10 | 12 |
|
10% |
| 4/10 | 9 |
|
8% |
| 3/10 | 7 |
|
6% |
| 2/10 | 4 |
|
3% |
| 1/10 | 5 |
|
4% |
65.59% Average
The raw data average (mean) for all the Buller Gorge Swingbridge face-to-face reviews is 65.59% and is based on 118 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
56.72%
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 |
|---|---|---|---|
| Christina | 3/10 | 352 days | 100% |
| Deb Z | 2/10 | 1389 days | 14% |
| Solvejg Bjerg | 9/10 | 3225 days | 4% |
| Jaroslav Kacmar | 7/10 | 3228 days | 4% |
| Fabian Probst | 7/10 | 3248 days | 4% |
| Jonas Neumann | 6/10 | 3258 days | 4% |
| Mark | 8/10 | 3265 days | 4% |
| Alicia Speisekorn-Gil | 10/10 | 3310 days | 4% |
| Marc Perales | 3/10 | 3312 days | 2% |
| Laura Leoekloek | 8/10 | 3337 days | 4% |
| Stephan Ophelders | 6/10 | 3579 days | 3% |
| Ross Clark | 9/10 | 3585 days | 3% |
| Anna Jungclaus | 4/10 | 3588 days | 2% |
| Paul and Astrid | 8/10 | 3592 days | 3% |
| Oliver Schatz | 6/10 | 3600 days | 3% |
| Nadja | 2/10 | 3600 days | 1% |
| Wil Goes | 4/10 | 3605 days | 2% |
| D Davey | 9/10 | 3607 days | 3% |
| Sylvain Blanchet | 10/10 | 3613 days | 3% |
| Ral Pritchard | 5/10 | 3624 days | 2% |
| Sue Strebe | 6/10 | 3964 days | 1% |
| Helen Parsons | 6/10 | 3970 days | 1% |
| Ann Wilson | 7/10 | 4297 days | 0% |
| Reto | 4/10 | 4325 days | 0% |
| Glyn and Karen Farlow | 7/10 | 4327 days | 0% |
| Marius Hoffmann | 6/10 | 4328 days | 0% |
| Lena Jensen | 3/10 | 4346 days | 0% |
| Jesper Andersen | 4/10 | 4346 days | 0% |
| David Embling | 5/10 | 4347 days | 0% |
| Angela Neville | 8/10 | 4347 days | 0% |
| Derek Knight | 8/10 | 4353 days | 0% |
| Jacqui Knight | 8/10 | 4353 days | 0% |
| Elizabeth | 7/10 | 4372 days | 0% |
| Roy Driehuis | 7/10 | 4372 days | 0% |
| AusCampa | 3/10 | 4615 days | 1% |
| Andrew Grimes | 7/10 | 4671 days | 2% |
| Lynda Quartay | 9/10 | 4671 days | 2% |
| Julian Roots | 8/10 | 4676 days | 2% |
| Lorna and Seb | 6/10 | 4679 days | 2% |
| Mary Neustroski | 5/10 | 4690 days | 1% |
| Sam Bensemann | 10/10 | 4735 days | 2% |
| Mike Edwards | 8/10 | 4751 days | 2% |
| Annie | 5/10 | 4759 days | 1% |
| Dio | 6/10 | 4768 days | 2% |
| Michel Vourbraak | 8/10 | 4782 days | 2% |
| Evelyn Mackie | 10/10 | 5034 days | 2% |
| Matthias Angela | 6/10 | 5035 days | 2% |
| Jeltje | 5/10 | 5050 days | 1% |
| Baas | 7/10 | 5050 days | 2% |
| Josef | 1/10 | 5051 days | 1% |
| Sylvia & Garrit | 1/10 | 5055 days | 1% |
| Marco Scheiber | 8/10 | 5064 days | 2% |
| Volker Neumeyer | 9/10 | 5065 days | 2% |
| Anna | 2/10 | 5068 days | 1% |
| Duncan & Ellen | 5/10 | 5086 days | 1% |
| KandJ | 1/10 | 5101 days | 1% |
| Josh | 7/10 | 5144 days | 2% |
| Ray Coombe | 8/10 | 5144 days | 2% |
| Mr & Mrs Palmer | 7/10 | 5393 days | 2% |
| John Stokes | 8/10 | 5395 days | 2% |
| Julia | 2/10 | 5397 days | 1% |
| Juerg & Denise Zuesli | 3/10 | 5400 days | 1% |
| B Kleven | 7/10 | 5401 days | 2% |
| Anita Tonks | 4/10 | 5406 days | 1% |
| Carolin Ranner | 5/10 | 5408 days | 1% |
| Kasten | 4/10 | 5409 days | 1% |
| omlo | 3/10 | 5421 days | 1% |
| David Heads | 8/10 | 5422 days | 2% |
| Irene and Thib Schneider | 8/10 | 5423 days | 2% |
| Bahner | 10/10 | 5423 days | 2% |
| Teum and Orselien | 5/10 | 5423 days | 1% |
| Daniel Bogdanowitsch | 10/10 | 5426 days | 2% |
| Julia | 7/10 | 5427 days | 2% |
| Bas Geerts | 6/10 | 5428 days | 2% |
| Barbara | 7/10 | 5428 days | 2% |
| JohnHaestad | 7/10 | 5435 days | 2% |
| Grant | 8/10 | 5693 days | 2% |
| Quin | 8/10 | 5741 days | 2% |
| Kaddi & Grego | 1/10 | 5773 days | 1% |
| Thomas & Jucki | 8/10 | 5775 days | 2% |
| Rolf X | 4/10 | 5782 days | 1% |
| Gary Ebrig | 7/10 | 5785 days | 2% |
| J Kempeneers | 4/10 | 5786 days | 1% |
| Loleit | 1/10 | 5793 days | 1% |
| vanijzendoor | 8/10 | 5795 days | 2% |
| Sinjc Grude | 3/10 | 5797 days | 1% |
| Jeremy & Sarah Rind | 8/10 | 5799 days | 2% |
| Hugli | 9/10 | 5805 days | 2% |
| W David R Thomas | 5/10 | 5805 days | 1% |
| Beute Jacob | 7/10 | 5813 days | 2% |
| J P Paulvast | 8/10 | 5814 days | 2% |
| Beute Hjel | 8/10 | 5816 days | 2% |
| middendorp | 8/10 | 5846 days | 2% |
| Linda Coats | 10/10 | 5847 days | 2% |
| johnma | 10/10 | 5851 days | 2% |
| sels | 3/10 | 5862 days | 1% |
| Anna | 6/10 | 5892 days | 2% |
| alanvn | 3/10 | 5975 days | 1% |
| richards1 | 2/10 | 5987 days | 1% |
| KarinS | 5/10 | 6099 days | 1% |
| DirkGermany | 10/10 | 6101 days | 2% |
| KatrinS | 1/10 | 6118 days | 1% |
| Lucas | 7/10 | 6122 days | 2% |
| Anna Hansson | 10/10 | 6123 days | 2% |
| Anna Hansson | 10/10 | 6123 days | 2% |
| Sara Hansson | 9/10 | 6123 days | 2% |
| BevanLisa | 7/10 | 6123 days | 2% |
| Hans | 6/10 | 6123 days | 2% |
| OdiliaF | 10/10 | 6125 days | 2% |
| Mary | 9/10 | 6130 days | 2% |
| JetteG | 5/10 | 6140 days | 1% |
| VacherD | 8/10 | 6141 days | 2% |
| Adi | 10/10 | 6154 days | 2% |
| Philippa | 9/10 | 6154 days | 2% |
| De Vries | 7/10 | 6174 days | 2% |
| Debbie Mossman | 6/10 | 6181 days | 2% |
| nsmith | 9/10 | 6258 days | 2% |
| Gray | 10/10 | 6341 days | 2% |
| fgregory | 10/10 | 6368 days | 2% |
| Stewart | 6/10 | 6489 days | 2% |
| Sara Rütten | 4/10 | 6508 days | 1% |
| Sabine Feiner | 10/10 | 6511 days | 2% |
| Roger & Margaret | 8/10 | 6520 days | 2% |
| Gill O'Connor | 8/10 | 6522 days | 2% |
| Kevin | 9/10 | 6591 days | 2% |
| Floren | 8/10 | 6595 days | 2% |
| Rene Schotvanger | 4/10 | 6708 days | 1% |
| ranker_41 | 5/10 | 6708 days | 1% |
| Kate | 3/10 | 6864 days | 1% |
| Bernhard | 8/10 | 6880 days | 2% |
| Walburg | 8/10 | 6883 days | 2% |
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 Buller Gorge Swingbridge experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-4.05% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 42 days. However the Buller Gorge Swingbridge 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 Buller Gorge Swingbridge experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -3.98% |
| 198 | -4.01% |
| 199 | -4.03% |
| 200 | -4.05% |
| 201 | -4.07% |
| 202 | -4.09% |
| 203 | -4.11% |
| … | … |
Balancing Adjustment
19.88% 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
73%
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.