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 Greymouth Seaside TOP 10 Holiday 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.
Greymouth Seaside TOP 10 Holiday Park
Valid Reviews
108 Valid Reviews
The Greymouth Seaside TOP 10 Holiday Park experience has a total of 110 reviews. There are 108 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 108 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 20 |
|
19% |
| 9/10 | 35 |
|
32% |
| 8/10 | 26 |
|
24% |
| 7/10 | 10 |
|
9% |
| 6/10 | 6 |
|
6% |
| 5/10 | 3 |
|
3% |
| 4/10 | 3 |
|
3% |
| 3/10 | 4 |
|
4% |
| 2/10 | 0 |
|
0% |
| 1/10 | 1 |
|
1% |
80.46% Average
The raw data average (mean) for all the Greymouth Seaside TOP 10 Holiday Park valid reviews is 80.46% and is based on 108 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
67 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 108 valid reviews, the experience has 67 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 67 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 11 |
|
16% |
| 9/10 | 20 |
|
30% |
| 8/10 | 20 |
|
30% |
| 7/10 | 8 |
|
12% |
| 6/10 | 3 |
|
4% |
| 5/10 | 2 |
|
3% |
| 4/10 | 2 |
|
3% |
| 3/10 | 1 |
|
1% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
81.34% Average
The raw data average (mean) for all the Greymouth Seaside TOP 10 Holiday Park face-to-face reviews is 81.34% and is based on 67 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
88.64%
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 |
|---|---|---|---|
| Julie | 10/10 | 578 days | 100% |
| Matt Olejniczak | 9/10 | 639 days | 94% |
| Julia | 9/10 | 729 days | 85% |
| Darrell | 8/10 | 1004 days | 53% |
| Alec | 8/10 | 1063 days | 46% |
| Ralph Gleek | 10/10 | 1397 days | 19% |
| Shar-ron & Jim | 10/10 | 1550 days | 11% |
| Kiwi | 3/10 | 2039 days | 3% |
| Liz | 3/10 | 2069 days | 3% |
| Clare & Gerry | 10/10 | 2100 days | 5% |
| Kiwi | 9/10 | 2159 days | 5% |
| Jacqui | 10/10 | 2190 days | 5% |
| helen reeve | 10/10 | 2251 days | 5% |
| Bex & Jake | 8/10 | 2404 days | 5% |
| Sree Polavarapu | 10/10 | 2465 days | 5% |
| Tammy Schein | 9/10 | 2585 days | 4% |
| Chanelle Weller | 6/10 | 2788 days | 3% |
| Scott McGee | 1/10 | 2858 days | 1% |
| Shay | 9/10 | 3073 days | 3% |
| Jean marc Daubenfeld | 9/10 | 3251 days | 3% |
| Matthew Hallowell | 7/10 | 3252 days | 3% |
| Caro G | 9/10 | 3321 days | 3% |
| Robert | 9/10 | 3585 days | 2% |
| Manuela Opprecht | 10/10 | 3600 days | 2% |
| Fay Young | 5/10 | 3620 days | 1% |
| Leah Stewart | 9/10 | 3625 days | 2% |
| G & W | 5/10 | 3893 days | 1% |
| Sybille Willenbrock | 10/10 | 3948 days | 1% |
| Wouter Bosch | 9/10 | 3967 days | 1% |
| Aude Moulin | 9/10 | 3967 days | 1% |
| The Germans from Australiia | 9/10 | 3985 days | 1% |
| Elizabeth | 7/10 | 3987 days | 1% |
| Roy Driehuis | 7/10 | 3987 days | 1% |
| andrewmh | 8/10 | 4016 days | 1% |
| Henrik Joshua | 9/10 | 4046 days | 1% |
| Kerri | 8/10 | 4107 days | 1% |
| Elise Robson | 6/10 | 4199 days | 0% |
| Claire | 7/10 | 4291 days | 0% |
| Fernando Martin | 8/10 | 4298 days | 0% |
| Michael Nolan | 6/10 | 4319 days | 0% |
| Cabby | 4/10 | 4319 days | 0% |
| Roeland Driessen | 8/10 | 4350 days | 0% |
| William Notcutt | 3/10 | 4350 days | 0% |
| Fred and Carin | 6/10 | 4370 days | 0% |
| nztintin | 9/10 | 4656 days | 1% |
| Matt Kelley | 8/10 | 4665 days | 1% |
| Eric Lombaard | 8/10 | 4668 days | 1% |
| Beat Kindler | 10/10 | 4668 days | 1% |
| Jim Addicott | 10/10 | 4669 days | 1% |
| Jurg Pfaendler | 8/10 | 4673 days | 1% |
| Paul & Michelle Harmer | 7/10 | 4678 days | 1% |
| Heike | 10/10 | 4680 days | 1% |
| Des & Ann Bidwell | 10/10 | 4680 days | 1% |
| Barrie Corless | 5/10 | 4684 days | 1% |
| Mike & April Prince | 7/10 | 4698 days | 1% |
| John Jacobs | 9/10 | 4713 days | 1% |
| CMJ | 9/10 | 4716 days | 1% |
| Les and Carole Savins | 8/10 | 4753 days | 1% |
| Sebastian | 8/10 | 4756 days | 1% |
| Steve | 9/10 | 4761 days | 1% |
| redmatthew16 | 9/10 | 4961 days | 1% |
| Rob O'Neill | 10/10 | 4993 days | 1% |
| Peter | 4/10 | 5006 days | 1% |
| Richard Dudfield | 9/10 | 5008 days | 1% |
| Wayne Forrow | 8/10 | 5012 days | 1% |
| Fasto Maserati | 10/10 | 5012 days | 1% |
| Bill Cutler | 9/10 | 5012 days | 1% |
| Marilyn Buboltz | 9/10 | 5014 days | 1% |
| Rob Hitsert | 9/10 | 5014 days | 1% |
| Gerhard | 9/10 | 5023 days | 1% |
| Jennifer Sunderland | 6/10 | 5024 days | 1% |
| Alice | 9/10 | 5026 days | 1% |
| Bucher Weruer | 8/10 | 5026 days | 1% |
| Marcus | 9/10 | 5027 days | 1% |
| Derek McLoughlin | 9/10 | 5029 days | 1% |
| Flueckiger | 10/10 | 5031 days | 1% |
| Manfred & Gabi | 9/10 | 5033 days | 1% |
| Conny | 10/10 | 5321 days | 1% |
| Peter Aerborg | 9/10 | 5323 days | 1% |
| Quin | 6/10 | 5356 days | 1% |
| Polil | 8/10 | 5373 days | 1% |
| Jvjm Family | 8/10 | 5375 days | 1% |
| Ian Watson | 10/10 | 5388 days | 1% |
| Sue | 9/10 | 5400 days | 1% |
| Harmann Volker | 9/10 | 5409 days | 1% |
| R Gilge | 8/10 | 5411 days | 1% |
| Iris W | 8/10 | 5421 days | 1% |
| Samantha Piekuta | 9/10 | 5424 days | 1% |
| Omar Frenchy | 8/10 | 5424 days | 1% |
| Buss | 8/10 | 5428 days | 1% |
| Jennifer Templeton | 4/10 | 5432 days | 1% |
| middendorp | 9/10 | 5461 days | 1% |
| marylus | 8/10 | 5461 days | 1% |
| Seiler | 8/10 | 5479 days | 1% |
| Flavia Mionelli | 10/10 | 5489 days | 1% |
| Peattie | 9/10 | 5489 days | 1% |
| Roma | 7/10 | 5500 days | 1% |
| canadianislandgirl | 7/10 | 5507 days | 1% |
| hellami | 9/10 | 5507 days | 1% |
| bogaard | 8/10 | 5603 days | 1% |
| Clem | 7/10 | 5604 days | 1% |
| Kazmeister | 10/10 | 5660 days | 1% |
| annysp | 9/10 | 5721 days | 1% |
| JimmyK | 8/10 | 5739 days | 1% |
| Edcan | 7/10 | 5739 days | 1% |
| Johannes & Jopke Fokkema | 8/10 | 5741 days | 1% |
| LucyPoland | 8/10 | 5742 days | 1% |
| NikkiB1 | 3/10 | 5756 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 Greymouth Seaside TOP 10 Holiday Park experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-4.07% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 43 days. However the Greymouth Seaside TOP 10 Holiday 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 Greymouth Seaside TOP 10 Holiday Park experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -4.01% |
| 198 | -4.03% |
| 199 | -4.05% |
| 200 | -4.07% |
| 201 | -4.09% |
| 202 | -4.11% |
| 203 | -4.13% |
| … | … |
Balancing Adjustment
1.91% 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.