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 | 61 days | 100% |
| Nick | 4/10 | 92 days | 66% |
| Caron | 10/10 | 367 days | 93% |
| Vantrolls | 7/10 | 398 days | 86% |
| Monika | 10/10 | 398 days | 92% |
| Janet Lewis | 9/10 | 458 days | 88% |
| Marie Perret | 8/10 | 550 days | 82% |
| Dillon | 8/10 | 611 days | 78% |
| Dillon | 8/10 | 611 days | 78% |
| 小B | 5/10 | 733 days | 53% |
| Reiner Elze | 5/10 | 733 days | 53% |
| Esther | 10/10 | 792 days | 65% |
| Trui Waalwijk | 10/10 | 792 days | 65% |
| Jaycee | 8/10 | 823 days | 61% |
| Sophie Rellensmann | 6/10 | 823 days | 53% |
| Olivia | 10/10 | 823 days | 62% |
| RR | 9/10 | 854 days | 58% |
| Strider | 8/10 | 854 days | 58% |
| Yuvin | 10/10 | 945 days | 50% |
| Team Wright | 9/10 | 1098 days | 35% |
| Lisa | 9/10 | 1280 days | 22% |
| Graham | 9/10 | 1584 days | 8% |
| Rach | 7/10 | 1614 days | 7% |
| Dulan | 8/10 | 1706 days | 6% |
| Carla | 10/10 | 1888 days | 5% |
| Ellie | 10/10 | 1888 days | 5% |
| Courtney | 9/10 | 1888 days | 5% |
| Erica | 8/10 | 1919 days | 5% |
| Tom Z. | 10/10 | 1919 days | 5% |
| Lola | 9/10 | 1980 days | 4% |
| Arnout | 7/10 | 2011 days | 4% |
| Camper | 2/10 | 2133 days | 2% |
| Ranjit | 8/10 | 2194 days | 4% |
| Maggie | 8/10 | 2194 days | 4% |
| Kosala Perera | 8/10 | 2253 days | 4% |
| Kimberly Boyle | 9/10 | 2253 days | 4% |
| Zoe | 8/10 | 2284 days | 4% |
| Kevin O'Brien | 7/10 | 2284 days | 4% |
| Ian | 9/10 | 2345 days | 4% |
| Robert | 7/10 | 2376 days | 3% |
| Shira LA | 2/10 | 2618 days | 1% |
| Leong Mee Yee | 5/10 | 2622 days | 2% |
| Alecsandra Ghita | 6/10 | 2656 days | 3% |
| Audrey Wong | 5/10 | 2657 days | 2% |
| Tay Dao Han | 10/10 | 2665 days | 3% |
| Katie Jansen | 2/10 | 2755 days | 1% |
| Vanessa Stubbs | 7/10 | 2767 days | 3% |
| Jill Sharpe | 1/10 | 2905 days | 1% |
| Victoria Strong | 7/10 | 3012 days | 2% |
| Martin Taylor | 10/10 | 3013 days | 2% |
| Alan Brown | 8/10 | 3014 days | 2% |
| Jane Powell | 2/10 | 3036 days | 1% |
| Darren Bolton | 4/10 | 3053 days | 1% |
| Zipora Risakotta | 7/10 | 3098 days | 2% |
| Donguk Chung | 10/10 | 3206 days | 2% |
| Al Hindley | 8/10 | 3318 days | 2% |
| Lay Tyng Chan | 7/10 | 3356 days | 2% |
| hendrik king | 8/10 | 3411 days | 2% |
| Sarah Gurney | 8/10 | 3431 days | 2% |
| Amy Steiger | 8/10 | 3533 days | 1% |
| Georgia Posar | 10/10 | 3601 days | 1% |
| Yvonne Wu | 8/10 | 3625 days | 1% |
| Wolfgang Rank | 8/10 | 3654 days | 1% |
| Andrew Cruickshank | 9/10 | 3686 days | 1% |
| Averil Brown | 8/10 | 3711 days | 1% |
| Robert Warner | 7/10 | 3714 days | 1% |
| misstassie | 8/10 | 3745 days | 1% |
| Fabian Rodriguez | 6/10 | 3959 days | 0% |
| Michelle K | 2/10 | 3990 days | 0% |
| Ara Moore-Tuwhangai | 8/10 | 3990 days | 1% |
| Brita Topp | 8/10 | 4051 days | 0% |
| Nicholas Ng | 3/10 | 4141 days | 0% |
| Cuz da Maori | 8/10 | 4141 days | 0% |
| griff griffiths | 10/10 | 4141 days | 0% |
| Mary | 4/10 | 4416 days | 0% |
| Cmi | 9/10 | 4475 days | 1% |
| David | 10/10 | 4536 days | 1% |
| sueadegizmo | 8/10 | 4689 days | 1% |
| elaineandbob | 5/10 | 4750 days | 1% |
| nicky2284 | 10/10 | 4750 days | 1% |
| Matthias Angela | 6/10 | 4775 days | 0% |
| Def Fem | 8/10 | 4776 days | 1% |
| Rick Moth | 7/10 | 4790 days | 0% |
| Dieter Mangold | 4/10 | 4793 days | 0% |
| John Hughes | 8/10 | 4802 days | 1% |
| Ursi Meier | 8/10 | 4804 days | 1% |
| Jessica Lane | 2/10 | 4807 days | 0% |
| Nicole van Bergen | 8/10 | 4809 days | 1% |
| amounstephen | 9/10 | 4810 days | 1% |
| Mike1952 | 8/10 | 4810 days | 1% |
| qofd | 8/10 | 5086 days | 1% |
| Jon_and_Family | 8/10 | 5116 days | 1% |
| Judith | 7/10 | 5133 days | 0% |
| Rene Jakel | 10/10 | 5143 days | 1% |
| Katie Mitchell | 10/10 | 5147 days | 1% |
| Gael Romain | 8/10 | 5147 days | 1% |
| Eva Bock | 8/10 | 5150 days | 1% |
| Daniel Bogdanowitsch | 9/10 | 5166 days | 1% |
| Robert Haidt | 10/10 | 5168 days | 1% |
| dollimyxture | 5/10 | 5206 days | 1% |
| saraswitzer | 9/10 | 5481 days | 1% |
| Bowness | 10/10 | 5499 days | 1% |
| Bert Meuleuorijks | 8/10 | 5508 days | 1% |
| Jenny | 10/10 | 5520 days | 1% |
| Chris Glasg | 7/10 | 5520 days | 0% |
| Dieter Groscurth | 9/10 | 5522 days | 1% |
| M Sicard | 9/10 | 5522 days | 1% |
| A Southwood | 9/10 | 5534 days | 1% |
| Inga | 7/10 | 5538 days | 0% |
| gandj | 9/10 | 5540 days | 1% |
| Susi Schoetzler | 8/10 | 5560 days | 1% |
| Melanie Bielefeld | 10/10 | 5604 days | 1% |
| Kathrin Thomas | 8/10 | 5614 days | 1% |
| Uerilie Stolareh | 10/10 | 5615 days | 1% |
| hellami | 7/10 | 5632 days | 1% |
| Ruth Kinder | 9/10 | 5632 days | 1% |
| DirkGermany | 10/10 | 5841 days | 1% |
| geoffelizabeth | 8/10 | 5846 days | 1% |
| GrahamM1 | 9/10 | 5879 days | 1% |
| Roy | 8/10 | 5887 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
-0.61% 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 33 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 30 | -0.56% |
| 31 | -0.57% |
| 32 | -0.59% |
| 33 | -0.61% |
| 34 | -0.63% |
| 35 | -0.65% |
| 36 | -0.67% |
| … | … |
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.