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 Driftaway Queenstown.
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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Driftaway Queenstown
Valid Reviews
98 Valid Reviews
The Driftaway Queenstown experience has a total of 100 reviews. There are 98 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 98 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 84 |
|
86% |
| 9/10 | 9 |
|
9% |
| 8/10 | 3 |
|
3% |
| 7/10 | 2 |
|
2% |
| 6/10 | 0 |
|
0% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
97.86% Average
The raw data average (mean) for all the Driftaway Queenstown valid reviews is 97.86% and is based on 98 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.
Weighted Average
97.99%
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 |
|---|---|---|---|
| Annie Mandelstam | 10/10 | 28 days | 100% |
| Jake | 10/10 | 56 days | 100% |
| S Waller | 10/10 | 56 days | 100% |
| Ali Shahahmadi | 10/10 | 87 days | 99% |
| Amelia | 10/10 | 87 days | 99% |
| Cath | 10/10 | 148 days | 98% |
| Ralph and Fiona Bova | 10/10 | 148 days | 98% |
| Chloe | 10/10 | 148 days | 98% |
| Julia ma | 10/10 | 179 days | 97% |
| Keith Fitzgerald | 10/10 | 179 days | 97% |
| Noor Hayah Muslim | 10/10 | 209 days | 96% |
| Laura | 9/10 | 209 days | 94% |
| Jami | 10/10 | 240 days | 95% |
| Scott | 10/10 | 240 days | 95% |
| Tony and ganti | 10/10 | 240 days | 95% |
| Jacky | 10/10 | 271 days | 93% |
| JD | 10/10 | 301 days | 92% |
| N Raj | 10/10 | 332 days | 90% |
| Stephen Dooley | 10/10 | 393 days | 86% |
| Paul S | 10/10 | 393 days | 86% |
| Juergen Poppe | 10/10 | 393 days | 86% |
| Madison & Jackson | 10/10 | 393 days | 86% |
| Sarah B | 10/10 | 422 days | 84% |
| Lu | 8/10 | 422 days | 81% |
| Burt | 9/10 | 453 days | 80% |
| phillip ireland | 10/10 | 453 days | 81% |
| Joel Fryett | 10/10 | 453 days | 81% |
| Paddy | 10/10 | 453 days | 81% |
| Hannah Chipperfield | 10/10 | 484 days | 78% |
| I Herdman | 10/10 | 484 days | 78% |
| Jane | 10/10 | 514 days | 76% |
| L. K. | 9/10 | 514 days | 74% |
| Amor | 10/10 | 545 days | 73% |
| VICKI LEIGH PATON | 10/10 | 545 days | 73% |
| Cholly | 10/10 | 545 days | 73% |
| Chris | 9/10 | 545 days | 71% |
| Sam | 10/10 | 575 days | 70% |
| Chloe | 10/10 | 575 days | 70% |
| Julia Saravia | 10/10 | 606 days | 66% |
| Dylan | 10/10 | 637 days | 63% |
| howard104 | 10/10 | 667 days | 59% |
| David Naylor | 10/10 | 667 days | 59% |
| Jasmine Tan | 10/10 | 698 days | 55% |
| Steve Churchill | 10/10 | 698 days | 55% |
| Christy | 9/10 | 698 days | 54% |
| 小B | 7/10 | 728 days | 43% |
| Chris Ungar | 10/10 | 728 days | 51% |
| Fav | 7/10 | 728 days | 43% |
| Carolyn Folbigg | 10/10 | 728 days | 51% |
| Aliou Lo | 10/10 | 759 days | 47% |
| Bernie | 10/10 | 759 days | 47% |
| Tracy | 10/10 | 759 days | 47% |
| Fiona | 8/10 | 759 days | 45% |
| Matt Olejniczak | 10/10 | 759 days | 47% |
| Warwick Jones | 10/10 | 759 days | 47% |
| Family of four | 10/10 | 759 days | 47% |
| John Atkinson | 10/10 | 787 days | 43% |
| Son | 10/10 | 787 days | 43% |
| Murray Harvey | 10/10 | 787 days | 43% |
| Kimberly | 10/10 | 787 days | 43% |
| Rose Wong | 10/10 | 787 days | 43% |
| Jenny Kinch | 10/10 | 818 days | 38% |
| Edwige | 10/10 | 818 days | 38% |
| Celine | 10/10 | 818 days | 38% |
| Daniel | 10/10 | 818 days | 38% |
| Andrew McLoughlin | 10/10 | 818 days | 38% |
| Lucie | 10/10 | 818 days | 38% |
| David | 9/10 | 818 days | 37% |
| Pierre Marty | 9/10 | 849 days | 33% |
| Flore van Dessel | 10/10 | 849 days | 34% |
| Hsiao-Hsien Li | 10/10 | 849 days | 34% |
| Jac Ema | 10/10 | 879 days | 29% |
| Sara Jones | 10/10 | 879 days | 29% |
| Ryan | 10/10 | 879 days | 29% |
| Fareez Haris | 10/10 | 879 days | 29% |
| Corrine | 10/10 | 879 days | 29% |
| Patricia Pardo | 10/10 | 879 days | 29% |
| Markus | 10/10 | 879 days | 29% |
| JM | 10/10 | 879 days | 29% |
| Mil | 10/10 | 879 days | 29% |
| McChelle | 10/10 | 879 days | 29% |
| Marelize Ferreira | 10/10 | 910 days | 24% |
| Lisa | 9/10 | 910 days | 23% |
| Rachel Wilcox | 10/10 | 910 days | 24% |
| HP | 10/10 | 910 days | 24% |
| Gary notley-smith | 10/10 | 910 days | 24% |
| Lara | 10/10 | 910 days | 24% |
| Eilis | 10/10 | 910 days | 24% |
| Noa | 10/10 | 910 days | 24% |
| Susan | 10/10 | 940 days | 19% |
| Kevin Daniel Farrell | 10/10 | 940 days | 19% |
| Te Arohanui | 9/10 | 971 days | 13% |
| Karen | 10/10 | 971 days | 14% |
| Anara | 10/10 | 971 days | 14% |
| Sandy | 10/10 | 1002 days | 9% |
| L Hartley | 8/10 | 1002 days | 8% |
| Sue Lander | 10/10 | 1032 days | 4% |
| Gloria | 10/10 | 1063 days | 0% |
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 Driftaway Queenstown experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-0.19% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 59 days. However the Driftaway Queenstown 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 Driftaway Queenstown experience has been adjusted for 10 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 7 | -0.13% |
| 8 | -0.15% |
| 9 | -0.17% |
| 10 | -0.19% |
| 11 | -0.21% |
| 12 | -0.23% |
| 13 | -0.25% |
| … | … |
Balancing Adjustment
0.18% 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
98%
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.