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 | 4008 days | 46% |
| Bruce B | 10/10 | 4036 days | 36% |
| barry aling | 10/10 | 4036 days | 36% |
| luiz montanari | 10/10 | 4067 days | 24% |
| EMMANUEL DIAS DA SILVA | 10/10 | 4098 days | 12% |
| Philip Gattey | 9/10 | 4098 days | 11% |
| Ch. Verling | 10/10 | 4128 days | 0% |
| Ulises Guevara | 10/10 | 4128 days | 0% |
| Dusty | 10/10 | 4128 days | 0% |
| Sandra Downie | 10/10 | 4433 days | 100% |
| Gisle Forseth | 9/10 | 4464 days | 98% |
| Asmawi Wahab | 10/10 | 4739 days | 100% |
| Shelli Leverty | 10/10 | 4739 days | 100% |
| Doug Hamerton | 10/10 | 4739 days | 100% |
| Becky Ivers | 10/10 | 4767 days | 100% |
| Mark Stanford | 10/10 | 4767 days | 100% |
| Lesley barber | 10/10 | 4798 days | 100% |
| Barryatkinson | 10/10 | 4798 days | 100% |
| DonKendra1 | 10/10 | 4890 days | 100% |
| Bushy | 10/10 | 5043 days | 100% |
| Calypso | 10/10 | 5073 days | 100% |
| yromanec | 10/10 | 5073 days | 100% |
| ladyharley | 10/10 | 5104 days | 100% |
| ChrisW | 10/10 | 5104 days | 100% |
| oldbiker | 10/10 | 5104 days | 100% |
| TheHoon | 10/10 | 5104 days | 100% |
| Banana | 10/10 | 5133 days | 100% |
| monakeehn | 10/10 | 5133 days | 100% |
| fdjavid | 10/10 | 5133 days | 100% |
| websterau | 9/10 | 5133 days | 98% |
| Dumyati | 10/10 | 5133 days | 100% |
| holidaze28 | 10/10 | 5164 days | 100% |
| michaelclout | 10/10 | 5164 days | 100% |
| ZeroID | 10/10 | 5164 days | 100% |
| donald | 10/10 | 5164 days | 100% |
| mulhooligan | 10/10 | 5164 days | 100% |
| Stanton | 10/10 | 5164 days | 100% |
| kakapo66 | 10/10 | 5195 days | 100% |
| HughConnor | 10/10 | 5195 days | 100% |
| ruudie012 | 10/10 | 5195 days | 100% |
| lynne_florence | 10/10 | 5195 days | 100% |
| johnnyr | 10/10 | 5195 days | 100% |
| pro213 | 10/10 | 5195 days | 100% |
| chrissywatson1711 | 10/10 | 5195 days | 100% |
| pahoia | 10/10 | 5195 days | 100% |
| Iand | 10/10 | 5195 days | 100% |
| jillowen | 9/10 | 5195 days | 98% |
| AbeB | 10/10 | 5225 days | 100% |
| mikereid | 10/10 | 5225 days | 100% |
| Cmax | 10/10 | 5256 days | 100% |
| gnh2011 | 9/10 | 5256 days | 98% |
| taylaw | 10/10 | 5256 days | 100% |
| mariarivas | 10/10 | 5256 days | 100% |
| flippy0 | 10/10 | 5286 days | 100% |
| squids12 | 10/10 | 5378 days | 100% |
| Rosco | 9/10 | 5439 days | 98% |
| blahutp | 9/10 | 5439 days | 98% |
| mrkunz | 10/10 | 5439 days | 100% |
| clouddreamer | 10/10 | 5439 days | 100% |
| May | 10/10 | 5439 days | 100% |
| mitchaoc | 10/10 | 5470 days | 100% |
| Welshy01 | 10/10 | 5470 days | 100% |
| pamc | 10/10 | 5470 days | 100% |
| zaphood | 10/10 | 5470 days | 100% |
| cruisequeens | 10/10 | 5498 days | 100% |
| adriennevergos | 10/10 | 5498 days | 100% |
| damondosterhus | 10/10 | 5498 days | 100% |
| janetc260 | 10/10 | 5498 days | 100% |
| marpet | 10/10 | 5529 days | 100% |
| roofie | 10/10 | 5529 days | 100% |
| musicman | 10/10 | 5529 days | 100% |
| Merran | 10/10 | 5529 days | 100% |
| traceymarcus1 | 10/10 | 5529 days | 100% |
| Budley1 | 10/10 | 5560 days | 100% |
| vjr | 10/10 | 5560 days | 100% |
| DukeMatthews | 10/10 | 5560 days | 100% |
| hellsknipe356 | 10/10 | 5621 days | 100% |
| KDStorey | 10/10 | 5621 days | 100% |
| robinson | 10/10 | 5621 days | 100% |
| JoeLeeKnipe | 10/10 | 5621 days | 100% |
| lstenhouse | 10/10 | 5651 days | 100% |
| doylouys | 10/10 | 5682 days | 100% |
| Jorgy | 10/10 | 5713 days | 100% |
| Phil Thurbon | 9/10 | 5804 days | 98% |
| awolnow | 10/10 | 5835 days | 100% |
| spb97 | 9/10 | 5835 days | 98% |
| stealhorsecowboy | 10/10 | 5835 days | 100% |
| smithy55 | 9/10 | 5835 days | 98% |
| fitbear | 9/10 | 5835 days | 98% |
| zebradiver | 8/10 | 5835 days | 96% |
| cowboyjohn | 10/10 | 5863 days | 100% |
| wahteh | 10/10 | 5863 days | 100% |
| tommarbru | 10/10 | 5863 days | 100% |
| Mathias | 10/10 | 5863 days | 100% |
| JParkinson | 10/10 | 5863 days | 100% |
| sinead drummy | 10/10 | 5894 days | 100% |
| philip andrew-artha | 10/10 | 5894 days | 100% |
| bmaier | 10/10 | 5894 days | 100% |
| alongthorn | 10/10 | 5894 days | 100% |
| KENMCD | 10/10 | 5894 days | 100% |
| kimreed | 10/10 | 5925 days | 100% |
| joshe051 | 10/10 | 5925 days | 100% |
| Travelling_Kiwi | 10/10 | 5925 days | 100% |
| John Stevens | 10/10 | 5955 days | 100% |
| big_rog | 10/10 | 5955 days | 100% |
| HairyHaggis | 10/10 | 5955 days | 100% |
| Mary Long | 10/10 | 5955 days | 100% |
| stegall | 10/10 | 5955 days | 100% |
| Maureen Lee | 10/10 | 5986 days | 100% |
| monkey | 10/10 | 5986 days | 100% |
| renaud bonnet | 10/10 | 6016 days | 100% |
| George Wheatley | 10/10 | 6139 days | 100% |
| eunie | 10/10 | 6169 days | 100% |
| antoinette | 10/10 | 6170 days | 100% |
| Bananna | 10/10 | 6180 days | 100% |
| Anne Cathala | 10/10 | 6182 days | 100% |
| gordy838 | 9/10 | 6190 days | 98% |
| Janet May | 9/10 | 6194 days | 98% |
| Chuffy57 | 10/10 | 6194 days | 100% |
| Tom Speed | 10/10 | 6200 days | 100% |
| Brenda | 10/10 | 6209 days | 100% |
| Jay & N | 10/10 | 6220 days | 22% |
| MoJo | 10/10 | 6228 days | 100% |
| Tomasz Trawniczek | 10/10 | 6228 days | 100% |
| David Lewis | 9/10 | 6242 days | 98% |
| andy Cant | 10/10 | 6243 days | 100% |
| Catherine Robinson | 10/10 | 6246 days | 100% |
| Samantha Fenton | 10/10 | 6251 days | 100% |
| Judy Macdonald | 10/10 | 6254 days | 100% |
| Allison | 10/10 | 6255 days | 22% |
| Gordon Lawrence | 10/10 | 6288 days | 100% |
| ivkemp | 10/10 | 6296 days | 100% |
| shonell | 10/10 | 6319 days | 100% |
| Aimee Marsh | 10/10 | 6320 days | 100% |
| Kathy Reily | 10/10 | 6324 days | 100% |
| CaptainObvious | 10/10 | 6332 days | 100% |
| Darren Rye | 10/10 | 6336 days | 100% |
| Dolphin | 10/10 | 6343 days | 100% |
| Robin | 10/10 | 6352 days | 100% |
| suedavies | 10/10 | 6352 days | 100% |
| Claire O'Donoghue | 10/10 | 6359 days | 100% |
| Mike | 10/10 | 6359 days | 100% |
| barbara hunn | 8/10 | 6363 days | 96% |
| Mike Morgan | 10/10 | 6365 days | 100% |
| Matt Cross | 10/10 | 6366 days | 100% |
| Denelle Adams | 10/10 | 6370 days | 100% |
| Belinda Keys | 10/10 | 6372 days | 100% |
| Tom Gordon | 9/10 | 6372 days | 98% |
| ashos | 10/10 | 6372 days | 100% |
| hottie | 9/10 | 6372 days | 98% |
| Karen Gibson | 10/10 | 6372 days | 100% |
| Michelle Mulgrew | 10/10 | 6380 days | 100% |
| thehammer | 10/10 | 6393 days | 100% |
| Ele | 10/10 | 6395 days | 100% |
| Bridget Cummins | 10/10 | 6401 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
-4.14% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 53 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 | -4.08% |
| 198 | -4.10% |
| 199 | -4.12% |
| 200 | -4.14% |
| 201 | -4.16% |
| 202 | -4.19% |
| 203 | -4.21% |
| … | … |
Balancing Adjustment
0.48% 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
95%
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.