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 Milford Track.
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.
Milford Track
Valid Reviews
70 Valid Reviews
The Milford Track experience has a total of 72 reviews. There are 70 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 70 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 29 |
|
41% |
| 9/10 | 22 |
|
31% |
| 8/10 | 13 |
|
19% |
| 7/10 | 2 |
|
3% |
| 6/10 | 2 |
|
3% |
| 5/10 | 0 |
|
0% |
| 4/10 | 1 |
|
1% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 1 |
|
1% |
89.00% Average
The raw data average (mean) for all the Milford Track valid reviews is 89.00% and is based on 70 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
66 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 70 valid reviews, the experience has 66 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 66 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 26 |
|
39% |
| 9/10 | 22 |
|
33% |
| 8/10 | 12 |
|
18% |
| 7/10 | 2 |
|
3% |
| 6/10 | 2 |
|
3% |
| 5/10 | 0 |
|
0% |
| 4/10 | 1 |
|
2% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 1 |
|
2% |
88.64% Average
The raw data average (mean) for all the Milford Track face-to-face reviews is 88.64% and is based on 66 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
91.29%
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 |
|---|---|---|---|
| Ben H | 10/10 | 2528 days | 100% |
| Julian Kihnle | 10/10 | 2646 days | 94% |
| Tom | 10/10 | 2893 days | 80% |
| Carly Biedul | 8/10 | 2930 days | 77% |
| Rhydian Templer | 10/10 | 2962 days | 76% |
| Sian Templer | 9/10 | 2962 days | 76% |
| Jade Templer | 10/10 | 2962 days | 76% |
| Jolien | 9/10 | 2972 days | 75% |
| Rebecca Holmes | 9/10 | 2973 days | 75% |
| Marc Sanivan | 7/10 | 2974 days | 70% |
| Nick Lancy | 9/10 | 3257 days | 60% |
| Stephanie Pope | 9/10 | 3274 days | 59% |
| Mia Gaynor | 10/10 | 3280 days | 59% |
| Alexis Leneveu | 8/10 | 3690 days | 36% |
| Fanny DeBon | 8/10 | 3712 days | 35% |
| Antoine Vernay | 6/10 | 3719 days | 30% |
| Hadar | 1/10 | 3993 days | 8% |
| Juliane | 8/10 | 4001 days | 20% |
| Lopez Anandine | 9/10 | 4006 days | 19% |
| Thomas Zilio | 9/10 | 4006 days | 19% |
| Gilad Itzkovitz | 6/10 | 4037 days | 15% |
| Alex | 10/10 | 4048 days | 17% |
| Evyatar Karni | 10/10 | 4051 days | 17% |
| Pete Wilson | 4/10 | 4340 days | 1% |
| Michal | 10/10 | 4358 days | 1% |
| Armand Poulain | 8/10 | 4360 days | 0% |
| Colin and Raewyn Newton | 8/10 | 4368 days | 0% |
| Tobias Sowade | 8/10 | 4382 days | 27% |
| Jessica Tilly | 8/10 | 4694 days | 27% |
| Alan Brady | 10/10 | 4716 days | 27% |
| Tinne Cis | 10/10 | 4716 days | 27% |
| Fabian Germar | 9/10 | 4724 days | 27% |
| Robert & Bridget Holden | 10/10 | 4728 days | 27% |
| S & J McDonald | 8/10 | 4729 days | 27% |
| John & Ray Calder | 8/10 | 4731 days | 27% |
| Katrawa | 9/10 | 4741 days | 27% |
| Anna Bret | 9/10 | 4819 days | 27% |
| Jaime Castells | 10/10 | 4819 days | 27% |
| Alita Smith | 9/10 | 5057 days | 27% |
| David Brown | 10/10 | 5058 days | 27% |
| R Tearle | 9/10 | 5063 days | 27% |
| Jorge Martinez Gacio | 9/10 | 5065 days | 27% |
| Phil Smith | 10/10 | 5069 days | 27% |
| Marquardt and Bernd | 10/10 | 5071 days | 27% |
| David and Karen | 9/10 | 5077 days | 27% |
| Richard Broughton | 10/10 | 5079 days | 27% |
| Susan Herd | 9/10 | 5080 days | 27% |
| Jol Balder | 8/10 | 5101 days | 27% |
| Amanda Craig | 10/10 | 5107 days | 27% |
| Dr Dorthe Bossow | 10/10 | 5109 days | 27% |
| JudyandAndre | 10/10 | 5144 days | 27% |
| Monica Askew | 10/10 | 5367 days | 27% |
| Darrell & Michelle Lamb | 9/10 | 5367 days | 27% |
| Kevin & Chris | 10/10 | 5383 days | 27% |
| Ian Tainsh | 10/10 | 5432 days | 27% |
| Einar | 9/10 | 5438 days | 27% |
| Angela | 7/10 | 5451 days | 25% |
| Wielink | 9/10 | 5458 days | 27% |
| Lynette Sal | 10/10 | 5494 days | 27% |
| Bill Nash | 9/10 | 5544 days | 27% |
| Lindsay Brown | 10/10 | 5550 days | 27% |
| Sena | 8/10 | 5550 days | 27% |
| X Vogel | 10/10 | 5550 days | 27% |
| Peter and Dianne McKinnon | 10/10 | 5563 days | 27% |
| SophieC | 9/10 | 5779 days | 27% |
| Wight | 10/10 | 5782 days | 27% |
| Viktoria Stoffel | 9/10 | 5791 days | 27% |
| Joel | 9/10 | 5804 days | 27% |
| Dianne | 8/10 | 5893 days | 27% |
| Rebekka | 10/10 | 5911 days | 27% |
Adjustments
No Adjustment
Several adjustments to the weighted average may be added to improve relevancy and credibility. Milford Track does not meet the criteria for any of these adjustments to apply.
Balancing Adjustment
0.83% 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 folk 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
92%
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.