G'day, 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 Bularangi Harley Tours of New Zealand.
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.
Bularangi Harley Tours of New Zealand
Valid Reviews
155 Valid Reviews
The Bularangi Harley Tours of New Zealand experience has a total of 155 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.
Within these 155 valid reviews, the experience has 2 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 155 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 137 |
|
88% |
| 9/10 | 16 |
|
10% |
| 8/10 | 2 |
|
1% |
| 7/10 | 0 |
|
0% |
| 6/10 | 0 |
|
0% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
98.71% Average
The raw data average (mean) for all the Bularangi Harley Tours of New Zealand valid reviews is 98.71% and is based on 155 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
98.71%
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 |
|---|---|---|---|
| Werner Staab | 10/10 | 4068 days | 38% |
| Bruce B | 10/10 | 4096 days | 29% |
| barry aling | 10/10 | 4096 days | 29% |
| luiz montanari | 10/10 | 4127 days | 19% |
| EMMANUEL DIAS DA SILVA | 10/10 | 4158 days | 9% |
| Philip Gattey | 9/10 | 4158 days | 9% |
| Ch. Verling | 10/10 | 4188 days | 0% |
| Ulises Guevara | 10/10 | 4188 days | 0% |
| Dusty | 10/10 | 4188 days | 0% |
| Sandra Downie | 10/10 | 4493 days | 100% |
| Gisle Forseth | 9/10 | 4524 days | 98% |
| Asmawi Wahab | 10/10 | 4799 days | 100% |
| Shelli Leverty | 10/10 | 4799 days | 100% |
| Doug Hamerton | 10/10 | 4799 days | 100% |
| Becky Ivers | 10/10 | 4827 days | 100% |
| Mark Stanford | 10/10 | 4827 days | 100% |
| Lesley barber | 10/10 | 4858 days | 100% |
| Barryatkinson | 10/10 | 4858 days | 100% |
| DonKendra1 | 10/10 | 4950 days | 100% |
| Bushy | 10/10 | 5103 days | 100% |
| Calypso | 10/10 | 5133 days | 100% |
| yromanec | 10/10 | 5133 days | 100% |
| ladyharley | 10/10 | 5164 days | 100% |
| ChrisW | 10/10 | 5164 days | 100% |
| oldbiker | 10/10 | 5164 days | 100% |
| TheHoon | 10/10 | 5164 days | 100% |
| Banana | 10/10 | 5193 days | 100% |
| monakeehn | 10/10 | 5193 days | 100% |
| fdjavid | 10/10 | 5193 days | 100% |
| websterau | 9/10 | 5193 days | 98% |
| Dumyati | 10/10 | 5193 days | 100% |
| holidaze28 | 10/10 | 5224 days | 100% |
| michaelclout | 10/10 | 5224 days | 100% |
| ZeroID | 10/10 | 5224 days | 100% |
| donald | 10/10 | 5224 days | 100% |
| mulhooligan | 10/10 | 5224 days | 100% |
| Stanton | 10/10 | 5224 days | 100% |
| kakapo66 | 10/10 | 5255 days | 100% |
| HughConnor | 10/10 | 5255 days | 100% |
| ruudie012 | 10/10 | 5255 days | 100% |
| lynne_florence | 10/10 | 5255 days | 100% |
| johnnyr | 10/10 | 5255 days | 100% |
| pro213 | 10/10 | 5255 days | 100% |
| chrissywatson1711 | 10/10 | 5255 days | 100% |
| pahoia | 10/10 | 5255 days | 100% |
| Iand | 10/10 | 5255 days | 100% |
| jillowen | 9/10 | 5255 days | 98% |
| AbeB | 10/10 | 5285 days | 100% |
| mikereid | 10/10 | 5285 days | 100% |
| Cmax | 10/10 | 5316 days | 100% |
| gnh2011 | 9/10 | 5316 days | 98% |
| taylaw | 10/10 | 5316 days | 100% |
| mariarivas | 10/10 | 5316 days | 100% |
| flippy0 | 10/10 | 5346 days | 100% |
| squids12 | 10/10 | 5438 days | 100% |
| Rosco | 9/10 | 5499 days | 98% |
| blahutp | 9/10 | 5499 days | 98% |
| mrkunz | 10/10 | 5499 days | 100% |
| clouddreamer | 10/10 | 5499 days | 100% |
| May | 10/10 | 5499 days | 100% |
| mitchaoc | 10/10 | 5530 days | 100% |
| Welshy01 | 10/10 | 5530 days | 100% |
| pamc | 10/10 | 5530 days | 100% |
| zaphood | 10/10 | 5530 days | 100% |
| cruisequeens | 10/10 | 5558 days | 100% |
| adriennevergos | 10/10 | 5558 days | 100% |
| damondosterhus | 10/10 | 5558 days | 100% |
| janetc260 | 10/10 | 5558 days | 100% |
| marpet | 10/10 | 5589 days | 100% |
| roofie | 10/10 | 5589 days | 100% |
| musicman | 10/10 | 5589 days | 100% |
| Merran | 10/10 | 5589 days | 100% |
| traceymarcus1 | 10/10 | 5589 days | 100% |
| Budley1 | 10/10 | 5620 days | 100% |
| vjr | 10/10 | 5620 days | 100% |
| DukeMatthews | 10/10 | 5620 days | 100% |
| hellsknipe356 | 10/10 | 5681 days | 100% |
| KDStorey | 10/10 | 5681 days | 100% |
| robinson | 10/10 | 5681 days | 100% |
| JoeLeeKnipe | 10/10 | 5681 days | 100% |
| lstenhouse | 10/10 | 5711 days | 100% |
| doylouys | 10/10 | 5742 days | 100% |
| Jorgy | 10/10 | 5773 days | 100% |
| Phil Thurbon | 9/10 | 5864 days | 98% |
| awolnow | 10/10 | 5895 days | 100% |
| spb97 | 9/10 | 5895 days | 98% |
| stealhorsecowboy | 10/10 | 5895 days | 100% |
| smithy55 | 9/10 | 5895 days | 98% |
| fitbear | 9/10 | 5895 days | 98% |
| zebradiver | 8/10 | 5895 days | 97% |
| cowboyjohn | 10/10 | 5923 days | 100% |
| wahteh | 10/10 | 5923 days | 100% |
| tommarbru | 10/10 | 5923 days | 100% |
| Mathias | 10/10 | 5923 days | 100% |
| JParkinson | 10/10 | 5923 days | 100% |
| sinead drummy | 10/10 | 5954 days | 100% |
| philip andrew-artha | 10/10 | 5954 days | 100% |
| bmaier | 10/10 | 5954 days | 100% |
| alongthorn | 10/10 | 5954 days | 100% |
| KENMCD | 10/10 | 5954 days | 100% |
| kimreed | 10/10 | 5985 days | 100% |
| joshe051 | 10/10 | 5985 days | 100% |
| Travelling_Kiwi | 10/10 | 5985 days | 100% |
| John Stevens | 10/10 | 6015 days | 100% |
| big_rog | 10/10 | 6015 days | 100% |
| HairyHaggis | 10/10 | 6015 days | 100% |
| Mary Long | 10/10 | 6015 days | 100% |
| stegall | 10/10 | 6015 days | 100% |
| Maureen Lee | 10/10 | 6046 days | 100% |
| monkey | 10/10 | 6046 days | 100% |
| renaud bonnet | 10/10 | 6076 days | 100% |
| George Wheatley | 10/10 | 6199 days | 100% |
| eunie | 10/10 | 6229 days | 100% |
| antoinette | 10/10 | 6231 days | 100% |
| Bananna | 10/10 | 6240 days | 100% |
| Anne Cathala | 10/10 | 6242 days | 100% |
| gordy838 | 9/10 | 6250 days | 98% |
| Janet May | 9/10 | 6254 days | 98% |
| Chuffy57 | 10/10 | 6255 days | 100% |
| Tom Speed | 10/10 | 6260 days | 100% |
| Brenda | 10/10 | 6270 days | 100% |
| Jay & N | 10/10 | 6280 days | 37% |
| MoJo | 10/10 | 6288 days | 100% |
| Tomasz Trawniczek | 10/10 | 6288 days | 100% |
| David Lewis | 9/10 | 6302 days | 98% |
| andy Cant | 10/10 | 6303 days | 100% |
| Catherine Robinson | 10/10 | 6306 days | 100% |
| Samantha Fenton | 10/10 | 6311 days | 100% |
| Judy Macdonald | 10/10 | 6315 days | 100% |
| Allison | 10/10 | 6315 days | 37% |
| Gordon Lawrence | 10/10 | 6348 days | 100% |
| ivkemp | 10/10 | 6356 days | 100% |
| shonell | 10/10 | 6379 days | 100% |
| Aimee Marsh | 10/10 | 6380 days | 100% |
| Kathy Reily | 10/10 | 6384 days | 100% |
| CaptainObvious | 10/10 | 6392 days | 100% |
| Darren Rye | 10/10 | 6397 days | 100% |
| Dolphin | 10/10 | 6403 days | 100% |
| Robin | 10/10 | 6412 days | 100% |
| suedavies | 10/10 | 6412 days | 100% |
| Claire O'Donoghue | 10/10 | 6419 days | 100% |
| Mike | 10/10 | 6419 days | 100% |
| barbara hunn | 8/10 | 6423 days | 97% |
| Mike Morgan | 10/10 | 6425 days | 100% |
| Matt Cross | 10/10 | 6426 days | 100% |
| Denelle Adams | 10/10 | 6430 days | 100% |
| Belinda Keys | 10/10 | 6432 days | 100% |
| Tom Gordon | 9/10 | 6432 days | 98% |
| ashos | 10/10 | 6432 days | 100% |
| hottie | 9/10 | 6432 days | 98% |
| Karen Gibson | 10/10 | 6432 days | 100% |
| Michelle Mulgrew | 10/10 | 6440 days | 100% |
| thehammer | 10/10 | 6453 days | 100% |
| Ele | 10/10 | 6455 days | 100% |
| Bridget Cummins | 10/10 | 6461 days | 100% |
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 Bularangi Harley Tours of New Zealand experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-3.34% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 70 days. However the Bularangi Harley Tours of New Zealand 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 Bularangi Harley Tours of New Zealand experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -3.29% |
| 198 | -3.30% |
| 199 | -3.32% |
| 200 | -3.34% |
| 201 | -3.35% |
| 202 | -3.37% |
| 203 | -3.39% |
| … | … |
Balancing Adjustment
0.40% 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
96%
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.