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
86.24%
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 | 176 days | 100% |
| Mireille & Philippe | 8/10 | 238 days | 97% |
| Danielle | 9/10 | 482 days | 87% |
| Nuala McAleer | 10/10 | 541 days | 85% |
| Hannah | 10/10 | 541 days | 85% |
| Mladen Savov | 10/10 | 603 days | 81% |
| Rory | 5/10 | 633 days | 60% |
| Sue Peggs | 10/10 | 633 days | 78% |
| Symen | 7/10 | 878 days | 53% |
| Ian Garcia | 5/10 | 907 days | 41% |
| Ulli | 5/10 | 938 days | 39% |
| Pippin | 8/10 | 969 days | 47% |
| Anna | 10/10 | 969 days | 48% |
| Dan | 8/10 | 1060 days | 38% |
| Marie Perret | 6/10 | 1060 days | 33% |
| Varneia | 9/10 | 1183 days | 29% |
| Liz | 9/10 | 1213 days | 26% |
| Julia | 10/10 | 1303 days | 21% |
| Kirsty Speers | 10/10 | 1364 days | 17% |
| Sarah | 8/10 | 1364 days | 17% |
| Colin | 10/10 | 1425 days | 14% |
| Sara | 5/10 | 2155 days | 3% |
| Katie | 8/10 | 2399 days | 4% |
| Anton | 9/10 | 2399 days | 4% |
| Leona | 8/10 | 2399 days | 4% |
| Jennifer Hebert | 10/10 | 2430 days | 4% |
| Jennifer Hebert | 10/10 | 2430 days | 4% |
| Tea | 9/10 | 2430 days | 4% |
| Beth Carlton | 10/10 | 2460 days | 4% |
| ShaneandJosiegoat | 9/10 | 2491 days | 3% |
| EmStems | 8/10 | 2521 days | 3% |
| Joanne | 6/10 | 2705 days | 3% |
| Stefan Miedzinski | 10/10 | 2705 days | 3% |
| Flo | 9/10 | 2733 days | 3% |
| Siggi &Brian | 9/10 | 2764 days | 3% |
| Marilli | 8/10 | 2795 days | 3% |
| Mel | 9/10 | 2825 days | 3% |
| helen reeve | 8/10 | 2856 days | 3% |
| Melinda Pyke | 9/10 | 2886 days | 3% |
| S Weslake | 7/10 | 3039 days | 2% |
| Peacock | 8/10 | 3039 days | 2% |
| sand.sarit | 10/10 | 3039 days | 2% |
| Kat | 9/10 | 3070 days | 2% |
| Ben H | 10/10 | 3070 days | 2% |
| Mark Lindeman | 10/10 | 3098 days | 2% |
| Eversons | 10/10 | 3098 days | 2% |
| Nick Cartmell | 6/10 | 3103 days | 1% |
| Suzanne Wijsman | 10/10 | 3106 days | 2% |
| Joe Trigg | 10/10 | 3208 days | 2% |
| Phil and Mel Rowson | 10/10 | 3209 days | 2% |
| Howard Morris | 9/10 | 3222 days | 2% |
| Michael Taing | 9/10 | 3223 days | 2% |
| Yasmin Tisdall | 10/10 | 3244 days | 2% |
| Nathan Lal | 10/10 | 3302 days | 2% |
| Jane | 9/10 | 3345 days | 2% |
| Eric Lau | 3/10 | 3392 days | 1% |
| Janet Pentelow | 9/10 | 3396 days | 2% |
| Jessica Holmes | 8/10 | 3401 days | 2% |
| Harriet Smith | 10/10 | 3428 days | 2% |
| Valeska Lauer | 10/10 | 3435 days | 2% |
| Kati Behrendt | 10/10 | 3441 days | 2% |
| Trent O'Keeffe | 9/10 | 3484 days | 2% |
| Erich Brueggermann | 8/10 | 3492 days | 1% |
| Walter Neff | 9/10 | 3494 days | 2% |
| Rebecca Lindsey | 9/10 | 3494 days | 2% |
| Sylvie Martel | 10/10 | 3513 days | 1% |
| P Rhodes | 8/10 | 3523 days | 1% |
| Rima | 10/10 | 3533 days | 1% |
| Marie Bittmann | 9/10 | 3555 days | 1% |
| Mike Guest | 8/10 | 3573 days | 1% |
| Lyle Walker | 10/10 | 3594 days | 1% |
| Jim MacDiarmid | 8/10 | 3678 days | 1% |
| Rawiri johnston | 8/10 | 3678 days | 1% |
| Eileen Teo | 10/10 | 3678 days | 1% |
| Jenny Sharp | 7/10 | 3678 days | 1% |
| Kathy Hart | 10/10 | 3739 days | 1% |
| Markus Grau | 6/10 | 3739 days | 1% |
| Julian Minnis | 10/10 | 3751 days | 1% |
| Marian K | 9/10 | 3756 days | 1% |
| Chadd Holland | 7/10 | 3771 days | 1% |
| Matthew Francisco | 10/10 | 3789 days | 1% |
| Diana Worwood | 7/10 | 3796 days | 1% |
| Mallory Lopez | 10/10 | 3803 days | 1% |
| Lay Tyng Chan | 6/10 | 3824 days | 1% |
| Clint waters | 9/10 | 3860 days | 1% |
| veda wills | 7/10 | 3860 days | 1% |
| Zhao Lu | 10/10 | 3860 days | 1% |
| Andy Bell | 9/10 | 3891 days | 1% |
| Rebecca Hope | 9/10 | 3932 days | 1% |
| Juan Gomez | 6/10 | 3939 days | 1% |
| Amy Taylor | 8/10 | 4059 days | 0% |
| Jessie Karsif | 10/10 | 4064 days | 0% |
| Nicole | 8/10 | 4081 days | 0% |
| Moira Moroney | 10/10 | 4096 days | 0% |
| AusCampa | 6/10 | 4105 days | 0% |
| Erica b | 7/10 | 4135 days | 0% |
| Mike Gornall | 7/10 | 4166 days | 0% |
| John Drake | 5/10 | 4181 days | 0% |
| Gethin Pearson | 8/10 | 4187 days | 0% |
| Kimberley Garrod | 8/10 | 4233 days | 0% |
| Bjorn Privat | 7/10 | 4247 days | 0% |
| Todd MacFarlane | 10/10 | 4256 days | 0% |
| Bert Snel | 9/10 | 4256 days | 0% |
| Matt Newby | 9/10 | 4500 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
-1.74% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 124 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 169 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 166 | -1.71% |
| 167 | -1.72% |
| 168 | -1.73% |
| 169 | -1.74% |
| 170 | -1.75% |
| 171 | -1.76% |
| 172 | -1.77% |
| … | … |
Balancing Adjustment
1.92% 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
86%
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.