Hi, 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 Harbour Tourist Park Oamaru.
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.
Harbour Tourist Park Oamaru
Valid Reviews
104 Valid Reviews
The Harbour Tourist Park Oamaru experience has a total of 108 reviews. There are 104 valid reviews that are included when calculating the ranking score and 4 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 104 valid reviews, the experience has 1 face-to-face review collected during interviews by our team.
Below is the distribution of ratings for the 104 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 37 |
|
36% |
| 9/10 | 25 |
|
24% |
| 8/10 | 20 |
|
19% |
| 7/10 | 9 |
|
9% |
| 6/10 | 7 |
|
7% |
| 5/10 | 5 |
|
5% |
| 4/10 | 0 |
|
0% |
| 3/10 | 1 |
|
1% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
85.38% Average
The raw data average (mean) for all the Harbour Tourist Park Oamaru valid reviews is 85.38% and is based on 104 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
86.05%
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 |
|---|---|---|---|
| O. Muenster | 10/10 | 120 days | 100% |
| Mireille & Philippe | 8/10 | 182 days | 97% |
| Danielle | 9/10 | 426 days | 89% |
| Nuala McAleer | 10/10 | 485 days | 87% |
| Hannah | 10/10 | 485 days | 87% |
| Mladen Savov | 10/10 | 547 days | 84% |
| Rory | 5/10 | 577 days | 62% |
| Sue Peggs | 10/10 | 577 days | 82% |
| Symen | 7/10 | 822 days | 58% |
| Ian Garcia | 5/10 | 851 days | 45% |
| Ulli | 5/10 | 882 days | 43% |
| Pippin | 8/10 | 913 days | 52% |
| Anna | 10/10 | 913 days | 53% |
| Dan | 8/10 | 1004 days | 43% |
| Marie Perret | 6/10 | 1004 days | 38% |
| Varneia | 9/10 | 1127 days | 33% |
| Liz | 9/10 | 1157 days | 30% |
| Julia | 10/10 | 1247 days | 24% |
| Kirsty Speers | 10/10 | 1308 days | 20% |
| Sarah | 8/10 | 1308 days | 20% |
| Colin | 10/10 | 1369 days | 17% |
| Sara | 5/10 | 2099 days | 3% |
| Katie | 8/10 | 2343 days | 4% |
| Anton | 9/10 | 2343 days | 4% |
| Leona | 8/10 | 2343 days | 4% |
| Jennifer Hebert | 10/10 | 2374 days | 4% |
| Jennifer Hebert | 10/10 | 2374 days | 4% |
| Tea | 9/10 | 2374 days | 4% |
| Beth Carlton | 10/10 | 2404 days | 4% |
| ShaneandJosiegoat | 9/10 | 2435 days | 3% |
| EmStems | 8/10 | 2465 days | 3% |
| Joanne | 6/10 | 2649 days | 3% |
| Stefan Miedzinski | 10/10 | 2649 days | 3% |
| Flo | 9/10 | 2677 days | 3% |
| Siggi &Brian | 9/10 | 2708 days | 3% |
| Marilli | 8/10 | 2739 days | 3% |
| Mel | 9/10 | 2769 days | 3% |
| helen reeve | 8/10 | 2800 days | 3% |
| Melinda Pyke | 9/10 | 2830 days | 3% |
| S Weslake | 7/10 | 2983 days | 2% |
| Peacock | 8/10 | 2983 days | 2% |
| sand.sarit | 10/10 | 2983 days | 2% |
| Kat | 9/10 | 3014 days | 2% |
| Ben H | 10/10 | 3014 days | 2% |
| Mark Lindeman | 10/10 | 3042 days | 2% |
| Eversons | 10/10 | 3042 days | 2% |
| Nick Cartmell | 6/10 | 3047 days | 1% |
| Suzanne Wijsman | 10/10 | 3050 days | 2% |
| Joe Trigg | 10/10 | 3152 days | 2% |
| Phil and Mel Rowson | 10/10 | 3153 days | 2% |
| Howard Morris | 9/10 | 3166 days | 2% |
| Michael Taing | 9/10 | 3167 days | 2% |
| Yasmin Tisdall | 10/10 | 3188 days | 2% |
| Nathan Lal | 10/10 | 3246 days | 2% |
| Jane | 9/10 | 3289 days | 2% |
| Eric Lau | 3/10 | 3336 days | 1% |
| Janet Pentelow | 9/10 | 3340 days | 2% |
| Jessica Holmes | 8/10 | 3345 days | 2% |
| Harriet Smith | 10/10 | 3372 days | 2% |
| Valeska Lauer | 10/10 | 3379 days | 2% |
| Kati Behrendt | 10/10 | 3385 days | 2% |
| Trent O'Keeffe | 9/10 | 3428 days | 2% |
| Erich Brueggermann | 8/10 | 3436 days | 1% |
| Walter Neff | 9/10 | 3437 days | 2% |
| Rebecca Lindsey | 9/10 | 3437 days | 2% |
| Sylvie Martel | 10/10 | 3457 days | 1% |
| P Rhodes | 8/10 | 3467 days | 1% |
| Rima | 10/10 | 3477 days | 1% |
| Marie Bittmann | 9/10 | 3498 days | 1% |
| Mike Guest | 8/10 | 3517 days | 1% |
| Lyle Walker | 10/10 | 3538 days | 1% |
| Jim MacDiarmid | 8/10 | 3621 days | 1% |
| Rawiri johnston | 8/10 | 3621 days | 1% |
| Eileen Teo | 10/10 | 3621 days | 1% |
| Jenny Sharp | 7/10 | 3622 days | 1% |
| Kathy Hart | 10/10 | 3682 days | 1% |
| Markus Grau | 6/10 | 3683 days | 1% |
| Julian Minnis | 10/10 | 3695 days | 1% |
| Marian K | 9/10 | 3700 days | 1% |
| Chadd Holland | 7/10 | 3715 days | 1% |
| Matthew Francisco | 10/10 | 3733 days | 1% |
| Diana Worwood | 7/10 | 3740 days | 1% |
| Mallory Lopez | 10/10 | 3747 days | 1% |
| Lay Tyng Chan | 6/10 | 3768 days | 1% |
| Clint waters | 9/10 | 3803 days | 1% |
| veda wills | 7/10 | 3803 days | 1% |
| Zhao Lu | 10/10 | 3803 days | 1% |
| Andy Bell | 9/10 | 3834 days | 1% |
| Rebecca Hope | 9/10 | 3876 days | 1% |
| Juan Gomez | 6/10 | 3883 days | 0% |
| Amy Taylor | 8/10 | 4003 days | 0% |
| Jessie Karsif | 10/10 | 4008 days | 0% |
| Nicole | 8/10 | 4025 days | 0% |
| Moira Moroney | 10/10 | 4040 days | 0% |
| AusCampa | 6/10 | 4048 days | 0% |
| Erica b | 7/10 | 4078 days | 0% |
| Mike Gornall | 7/10 | 4109 days | 0% |
| John Drake | 5/10 | 4125 days | 0% |
| Gethin Pearson | 8/10 | 4131 days | 0% |
| Kimberley Garrod | 8/10 | 4177 days | 0% |
| Bjorn Privat | 7/10 | 4191 days | 0% |
| Todd MacFarlane | 10/10 | 4199 days | 0% |
| Bert Snel | 9/10 | 4199 days | 0% |
| Matt Newby | 9/10 | 4444 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 Harbour Tourist Park Oamaru experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-1.37% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 106 days. However the Harbour Tourist Park Oamaru 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 Harbour Tourist Park Oamaru experience has been adjusted for 112 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 109 | -1.34% |
| 110 | -1.35% |
| 111 | -1.36% |
| 112 | -1.37% |
| 113 | -1.39% |
| 114 | -1.40% |
| 115 | -1.41% |
| … | … |
Balancing Adjustment
1.89% 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
87%
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.