Ranking Score Explained
Hi there, 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 Waipu Caves 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.
Waipu Caves Track
Valid Reviews
28 Valid Reviews
The Waipu Caves Track experience has a total of 28 valid reviews. There are no 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 28 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 12 |
|
43% |
| 9/10 | 7 |
|
25% |
| 8/10 | 1 |
|
4% |
| 7/10 | 5 |
|
18% |
| 6/10 | 1 |
|
4% |
| 5/10 | 1 |
|
4% |
| 4/10 | 0 |
|
0% |
| 3/10 | 1 |
|
4% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
85.71% Average
The raw data average (mean) for all the Waipu Caves Track valid reviews is 85.71% and is based on 28 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
20 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 28 valid reviews, the experience has 20 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 20 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 7 |
|
35% |
| 9/10 | 6 |
|
30% |
| 8/10 | 1 |
|
5% |
| 7/10 | 4 |
|
20% |
| 6/10 | 1 |
|
5% |
| 5/10 | 1 |
|
5% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
85.50% Average
The raw data average (mean) for all the Waipu Caves Track face-to-face reviews is 85.50% and is based on 20 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
86.78%
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 |
|---|---|---|---|
| Breanna Alexander | 3/10 | 1614 days | 75% |
| Carina Weber | 7/10 | 1640 days | 92% |
| MARK CURPHEY | 10/10 | 1696 days | 100% |
| Michelle Smit | 7/10 | 1777 days | 84% |
| Jane Simmons | 10/10 | 1838 days | 91% |
| Nina Rittmann | 9/10 | 1887 days | 88% |
| Gerbrand Smidt | 7/10 | 1914 days | 76% |
| Igor Pretzer | 7/10 | 1914 days | 76% |
| Patrick Thumeyer | 9/10 | 1931 days | 85% |
| Leon Grummer | 10/10 | 1936 days | 84% |
| Boukje Diijkstra | 10/10 | 1939 days | 84% |
| Kay Radloft | 10/10 | 1951 days | 83% |
| Christoph Herrmann | 6/10 | 1956 days | 64% |
| Pierre Alexandre | 8/10 | 1957 days | 78% |
| Paula Bauer | 10/10 | 1959 days | 83% |
| Steph | 9/10 | 1959 days | 83% |
| Johanna Kuch | 10/10 | 1960 days | 83% |
| Ruven Rintelmann | 10/10 | 1961 days | 83% |
| Catharina Cuntz | 9/10 | 1966 days | 82% |
| Julia Martin | 10/10 | 2007 days | 80% |
| Sebastian | 10/10 | 2051 days | 77% |
| Sophie Huybrechts | 9/10 | 2378 days | 56% |
| Boneschova Jarka | 10/10 | 2631 days | 39% |
| Florent Bouillon | 9/10 | 2659 days | 37% |
| Felicitas | 7/10 | 2663 days | 31% |
| Thomas Dequidt | 9/10 | 2689 days | 36% |
| Jaqi_Gary | 10/10 | 3147 days | 6% |
| Christina Fischer | 5/10 | 3781 days | 0% |
Adjustments
No Adjustment
Several adjustments to the weighted average may be added to improve relevancy and credibility. Waipu Caves Track does not meet the criteria for any of these adjustments to apply.
Final Ranking Score
87%
The final ranking score once rounding has been applied. This value is cached and recalculated each day. Therefore it may not be precisely accurate based on the other values presented.
If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz.