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 Glentanner Park.
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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Glentanner Park
Valid Reviews
120 Valid Reviews
The Glentanner Park experience has a total of 122 reviews. There are 120 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 120 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 24 |
|
20% |
| 9/10 | 21 |
|
18% |
| 8/10 | 38 |
|
32% |
| 7/10 | 15 |
|
13% |
| 6/10 | 4 |
|
3% |
| 5/10 | 6 |
|
5% |
| 4/10 | 4 |
|
3% |
| 3/10 | 1 |
|
1% |
| 2/10 | 6 |
|
5% |
| 1/10 | 1 |
|
1% |
77.00% Average
The raw data average (mean) for all the Glentanner Park valid reviews is 77.00% and is based on 120 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
32 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 120 valid reviews, the experience has 32 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 32 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 7 |
|
22% |
| 9/10 | 6 |
|
19% |
| 8/10 | 11 |
|
34% |
| 7/10 | 4 |
|
13% |
| 6/10 | 1 |
|
3% |
| 5/10 | 1 |
|
3% |
| 4/10 | 1 |
|
3% |
| 3/10 | 0 |
|
0% |
| 2/10 | 1 |
|
3% |
| 1/10 | 0 |
|
0% |
80.31% Average
The raw data average (mean) for all the Glentanner Park face-to-face reviews is 80.31% and is based on 32 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
82.29%
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 |
|---|---|---|---|
| Greg Caruso | 9/10 | 62 days | 100% |
| Nick | 4/10 | 93 days | 66% |
| Caron | 10/10 | 368 days | 93% |
| Vantrolls | 7/10 | 399 days | 86% |
| Monika | 10/10 | 399 days | 92% |
| Janet Lewis | 9/10 | 459 days | 88% |
| Marie Perret | 8/10 | 551 days | 82% |
| Dillon | 8/10 | 612 days | 78% |
| Dillon | 8/10 | 612 days | 78% |
| 小B | 5/10 | 734 days | 53% |
| Reiner Elze | 5/10 | 734 days | 53% |
| Esther | 10/10 | 793 days | 65% |
| Trui Waalwijk | 10/10 | 793 days | 65% |
| Jaycee | 8/10 | 824 days | 61% |
| Sophie Rellensmann | 6/10 | 824 days | 53% |
| Olivia | 10/10 | 824 days | 62% |
| RR | 9/10 | 855 days | 58% |
| Strider | 8/10 | 855 days | 58% |
| Yuvin | 10/10 | 946 days | 50% |
| Team Wright | 9/10 | 1099 days | 35% |
| Lisa | 9/10 | 1281 days | 22% |
| Graham | 9/10 | 1585 days | 8% |
| Rach | 7/10 | 1615 days | 7% |
| Dulan | 8/10 | 1707 days | 6% |
| Carla | 10/10 | 1889 days | 5% |
| Ellie | 10/10 | 1889 days | 5% |
| Courtney | 9/10 | 1889 days | 5% |
| Erica | 8/10 | 1920 days | 5% |
| Tom Z. | 10/10 | 1920 days | 5% |
| Lola | 9/10 | 1981 days | 4% |
| Arnout | 7/10 | 2012 days | 4% |
| Camper | 2/10 | 2134 days | 2% |
| Ranjit | 8/10 | 2195 days | 4% |
| Maggie | 8/10 | 2195 days | 4% |
| Kosala Perera | 8/10 | 2254 days | 4% |
| Kimberly Boyle | 9/10 | 2254 days | 4% |
| Zoe | 8/10 | 2285 days | 4% |
| Kevin O'Brien | 7/10 | 2285 days | 4% |
| Ian | 9/10 | 2346 days | 4% |
| Robert | 7/10 | 2377 days | 3% |
| Shira LA | 2/10 | 2619 days | 1% |
| Leong Mee Yee | 5/10 | 2623 days | 2% |
| Alecsandra Ghita | 6/10 | 2657 days | 3% |
| Audrey Wong | 5/10 | 2658 days | 2% |
| Tay Dao Han | 10/10 | 2666 days | 3% |
| Katie Jansen | 2/10 | 2756 days | 1% |
| Vanessa Stubbs | 7/10 | 2768 days | 3% |
| Jill Sharpe | 1/10 | 2906 days | 1% |
| Victoria Strong | 7/10 | 3013 days | 2% |
| Martin Taylor | 10/10 | 3014 days | 2% |
| Alan Brown | 8/10 | 3015 days | 2% |
| Jane Powell | 2/10 | 3037 days | 1% |
| Darren Bolton | 4/10 | 3054 days | 1% |
| Zipora Risakotta | 7/10 | 3099 days | 2% |
| Donguk Chung | 10/10 | 3207 days | 2% |
| Al Hindley | 8/10 | 3319 days | 2% |
| Lay Tyng Chan | 7/10 | 3357 days | 2% |
| hendrik king | 8/10 | 3412 days | 2% |
| Sarah Gurney | 8/10 | 3432 days | 2% |
| Amy Steiger | 8/10 | 3534 days | 1% |
| Georgia Posar | 10/10 | 3602 days | 1% |
| Yvonne Wu | 8/10 | 3626 days | 1% |
| Wolfgang Rank | 8/10 | 3655 days | 1% |
| Andrew Cruickshank | 9/10 | 3687 days | 1% |
| Averil Brown | 8/10 | 3712 days | 1% |
| Robert Warner | 7/10 | 3715 days | 1% |
| misstassie | 8/10 | 3746 days | 1% |
| Fabian Rodriguez | 6/10 | 3960 days | 0% |
| Michelle K | 2/10 | 3991 days | 0% |
| Ara Moore-Tuwhangai | 8/10 | 3991 days | 0% |
| Brita Topp | 8/10 | 4052 days | 0% |
| Nicholas Ng | 3/10 | 4142 days | 0% |
| Cuz da Maori | 8/10 | 4142 days | 0% |
| griff griffiths | 10/10 | 4142 days | 0% |
| Mary | 4/10 | 4417 days | 0% |
| Cmi | 9/10 | 4476 days | 1% |
| David | 10/10 | 4537 days | 1% |
| sueadegizmo | 8/10 | 4690 days | 1% |
| elaineandbob | 5/10 | 4751 days | 1% |
| nicky2284 | 10/10 | 4751 days | 1% |
| Matthias Angela | 6/10 | 4776 days | 0% |
| Def Fem | 8/10 | 4777 days | 1% |
| Rick Moth | 7/10 | 4791 days | 0% |
| Dieter Mangold | 4/10 | 4794 days | 0% |
| John Hughes | 8/10 | 4803 days | 1% |
| Ursi Meier | 8/10 | 4805 days | 1% |
| Jessica Lane | 2/10 | 4808 days | 0% |
| Nicole van Bergen | 8/10 | 4810 days | 1% |
| amounstephen | 9/10 | 4811 days | 1% |
| Mike1952 | 8/10 | 4811 days | 1% |
| qofd | 8/10 | 5087 days | 1% |
| Jon_and_Family | 8/10 | 5117 days | 1% |
| Judith | 7/10 | 5134 days | 0% |
| Rene Jakel | 10/10 | 5144 days | 1% |
| Katie Mitchell | 10/10 | 5148 days | 1% |
| Gael Romain | 8/10 | 5148 days | 1% |
| Eva Bock | 8/10 | 5151 days | 1% |
| Daniel Bogdanowitsch | 9/10 | 5167 days | 1% |
| Robert Haidt | 10/10 | 5169 days | 1% |
| dollimyxture | 5/10 | 5207 days | 1% |
| saraswitzer | 9/10 | 5482 days | 1% |
| Bowness | 10/10 | 5500 days | 1% |
| Bert Meuleuorijks | 8/10 | 5509 days | 1% |
| Jenny | 10/10 | 5521 days | 1% |
| Chris Glasg | 7/10 | 5521 days | 0% |
| Dieter Groscurth | 9/10 | 5523 days | 1% |
| M Sicard | 9/10 | 5523 days | 1% |
| A Southwood | 9/10 | 5535 days | 1% |
| Inga | 7/10 | 5539 days | 0% |
| gandj | 9/10 | 5541 days | 1% |
| Susi Schoetzler | 8/10 | 5561 days | 1% |
| Melanie Bielefeld | 10/10 | 5605 days | 1% |
| Kathrin Thomas | 8/10 | 5615 days | 1% |
| Uerilie Stolareh | 10/10 | 5616 days | 1% |
| hellami | 7/10 | 5633 days | 1% |
| Ruth Kinder | 9/10 | 5633 days | 1% |
| DirkGermany | 10/10 | 5842 days | 1% |
| geoffelizabeth | 8/10 | 5847 days | 1% |
| GrahamM1 | 9/10 | 5880 days | 1% |
| Roy | 8/10 | 5888 days | 1% |
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 Glentanner Park experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-0.64% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 61 days. However the Glentanner Park 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 Glentanner Park experience has been adjusted for 35 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 32 | -0.59% |
| 33 | -0.61% |
| 34 | -0.63% |
| 35 | -0.64% |
| 36 | -0.66% |
| 37 | -0.68% |
| 38 | -0.70% |
| … | … |
Balancing Adjustment
2.56% 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
84%
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.