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 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
109 Valid Reviews
The Greymouth Seaside TOP 10 Holiday Park experience has a total of 111 reviews. There are 109 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 109 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 20 |
|
18% |
| 9/10 | 35 |
|
32% |
| 8/10 | 27 |
|
25% |
| 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 109 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 109 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
84.57%
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 |
|---|---|---|---|
| Rich | 8/10 | 352 days | 100% |
| Julie | 10/10 | 1206 days | 29% |
| Matt Olejniczak | 9/10 | 1268 days | 25% |
| Julia | 9/10 | 1358 days | 19% |
| Darrell | 8/10 | 1633 days | 7% |
| Alec | 8/10 | 1692 days | 6% |
| Ralph Gleek | 10/10 | 2026 days | 5% |
| Shar-ron & Jim | 10/10 | 2178 days | 5% |
| Kiwi | 3/10 | 2667 days | 2% |
| Liz | 3/10 | 2698 days | 2% |
| Clare & Gerry | 10/10 | 2729 days | 3% |
| Kiwi | 9/10 | 2788 days | 3% |
| Jacqui | 10/10 | 2819 days | 3% |
| helen reeve | 10/10 | 2880 days | 3% |
| Bex & Jake | 8/10 | 3032 days | 3% |
| Sree Polavarapu | 10/10 | 3094 days | 3% |
| Tammy Schein | 9/10 | 3213 days | 2% |
| Chanelle Weller | 6/10 | 3416 days | 2% |
| Scott McGee | 1/10 | 3486 days | 1% |
| Shay | 9/10 | 3701 days | 1% |
| Jean marc Daubenfeld | 9/10 | 3880 days | 1% |
| Matthew Hallowell | 7/10 | 3881 days | 1% |
| Caro G | 9/10 | 3950 days | 1% |
| Robert | 9/10 | 4214 days | 0% |
| Manuela Opprecht | 10/10 | 4229 days | 0% |
| Fay Young | 5/10 | 4248 days | 0% |
| Leah Stewart | 9/10 | 4254 days | 0% |
| G & W | 5/10 | 4522 days | 1% |
| Sybille Willenbrock | 10/10 | 4577 days | 1% |
| Wouter Bosch | 9/10 | 4596 days | 1% |
| Aude Moulin | 9/10 | 4596 days | 1% |
| The Germans from Australiia | 9/10 | 4614 days | 1% |
| Elizabeth | 7/10 | 4616 days | 1% |
| Roy Driehuis | 7/10 | 4616 days | 1% |
| andrewmh | 8/10 | 4645 days | 1% |
| Henrik Joshua | 9/10 | 4675 days | 1% |
| Kerri | 8/10 | 4735 days | 1% |
| Elise Robson | 6/10 | 4827 days | 1% |
| Claire | 7/10 | 4920 days | 1% |
| Fernando Martin | 8/10 | 4927 days | 1% |
| Michael Nolan | 6/10 | 4948 days | 1% |
| Cabby | 4/10 | 4948 days | 1% |
| Roeland Driessen | 8/10 | 4979 days | 1% |
| William Notcutt | 3/10 | 4979 days | 0% |
| Fred and Carin | 6/10 | 4999 days | 1% |
| nztintin | 9/10 | 5285 days | 1% |
| Matt Kelley | 8/10 | 5294 days | 1% |
| Eric Lombaard | 8/10 | 5297 days | 1% |
| Beat Kindler | 10/10 | 5297 days | 1% |
| Jim Addicott | 10/10 | 5298 days | 1% |
| Jurg Pfaendler | 8/10 | 5302 days | 1% |
| Paul & Michelle Harmer | 7/10 | 5307 days | 1% |
| Heike | 10/10 | 5309 days | 1% |
| Des & Ann Bidwell | 10/10 | 5309 days | 1% |
| Barrie Corless | 5/10 | 5313 days | 1% |
| Mike & April Prince | 7/10 | 5327 days | 1% |
| John Jacobs | 9/10 | 5342 days | 1% |
| CMJ | 9/10 | 5345 days | 1% |
| Les and Carole Savins | 8/10 | 5382 days | 1% |
| Sebastian | 8/10 | 5385 days | 1% |
| Steve | 9/10 | 5390 days | 1% |
| redmatthew16 | 9/10 | 5589 days | 1% |
| Rob O'Neill | 10/10 | 5622 days | 1% |
| Peter | 4/10 | 5635 days | 1% |
| Richard Dudfield | 9/10 | 5637 days | 1% |
| Wayne Forrow | 8/10 | 5641 days | 1% |
| Fasto Maserati | 10/10 | 5641 days | 1% |
| Bill Cutler | 9/10 | 5641 days | 1% |
| Marilyn Buboltz | 9/10 | 5643 days | 1% |
| Rob Hitsert | 9/10 | 5643 days | 1% |
| Gerhard | 9/10 | 5652 days | 1% |
| Jennifer Sunderland | 6/10 | 5653 days | 1% |
| Alice | 9/10 | 5655 days | 1% |
| Bucher Weruer | 8/10 | 5655 days | 1% |
| Marcus | 9/10 | 5656 days | 1% |
| Derek McLoughlin | 9/10 | 5658 days | 1% |
| Flueckiger | 10/10 | 5660 days | 1% |
| Manfred & Gabi | 9/10 | 5662 days | 1% |
| Conny | 10/10 | 5949 days | 1% |
| Peter Aerborg | 9/10 | 5951 days | 1% |
| Quin | 6/10 | 5985 days | 1% |
| Polil | 8/10 | 6002 days | 1% |
| Jvjm Family | 8/10 | 6004 days | 1% |
| Ian Watson | 10/10 | 6017 days | 1% |
| Sue | 9/10 | 6029 days | 1% |
| Harmann Volker | 9/10 | 6038 days | 1% |
| R Gilge | 8/10 | 6040 days | 1% |
| Iris W | 8/10 | 6050 days | 1% |
| Samantha Piekuta | 9/10 | 6053 days | 1% |
| Omar Frenchy | 8/10 | 6053 days | 1% |
| Buss | 8/10 | 6057 days | 1% |
| Jennifer Templeton | 4/10 | 6061 days | 1% |
| middendorp | 9/10 | 6090 days | 1% |
| marylus | 8/10 | 6090 days | 1% |
| Seiler | 8/10 | 6108 days | 1% |
| Flavia Mionelli | 10/10 | 6118 days | 1% |
| Peattie | 9/10 | 6118 days | 1% |
| Roma | 7/10 | 6129 days | 1% |
| canadianislandgirl | 7/10 | 6136 days | 1% |
| hellami | 9/10 | 6136 days | 1% |
| bogaard | 8/10 | 6231 days | 1% |
| Clem | 7/10 | 6232 days | 1% |
| Kazmeister | 10/10 | 6288 days | 1% |
| annysp | 9/10 | 6350 days | 1% |
| JimmyK | 8/10 | 6368 days | 1% |
| Edcan | 7/10 | 6368 days | 1% |
| Johannes & Jopke Fokkema | 8/10 | 6370 days | 1% |
| LucyPoland | 8/10 | 6371 days | 1% |
| NikkiB1 | 3/10 | 6385 days | 0% |
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
-2.36% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 110 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 | -2.33% |
| 198 | -2.34% |
| 199 | -2.35% |
| 200 | -2.36% |
| 201 | -2.37% |
| 202 | -2.39% |
| 203 | -2.40% |
| … | … |
Balancing Adjustment
2.43% 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
85%
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.