Kia ora, 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
84.85%
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 | 292 days | 100% |
| Julie | 10/10 | 1146 days | 33% |
| Matt Olejniczak | 9/10 | 1207 days | 28% |
| Julia | 9/10 | 1297 days | 22% |
| Darrell | 8/10 | 1572 days | 9% |
| Alec | 8/10 | 1631 days | 7% |
| Ralph Gleek | 10/10 | 1965 days | 5% |
| Shar-ron & Jim | 10/10 | 2118 days | 4% |
| Kiwi | 3/10 | 2607 days | 2% |
| Liz | 3/10 | 2637 days | 2% |
| Clare & Gerry | 10/10 | 2668 days | 3% |
| Kiwi | 9/10 | 2727 days | 3% |
| Jacqui | 10/10 | 2758 days | 3% |
| helen reeve | 10/10 | 2819 days | 3% |
| Bex & Jake | 8/10 | 2972 days | 3% |
| Sree Polavarapu | 10/10 | 3033 days | 3% |
| Tammy Schein | 9/10 | 3153 days | 2% |
| Chanelle Weller | 6/10 | 3356 days | 2% |
| Scott McGee | 1/10 | 3426 days | 1% |
| Shay | 9/10 | 3641 days | 1% |
| Jean marc Daubenfeld | 9/10 | 3819 days | 1% |
| Matthew Hallowell | 7/10 | 3820 days | 1% |
| Caro G | 9/10 | 3889 days | 1% |
| Robert | 9/10 | 4153 days | 0% |
| Manuela Opprecht | 10/10 | 4168 days | 0% |
| Fay Young | 5/10 | 4188 days | 0% |
| Leah Stewart | 9/10 | 4193 days | 0% |
| G & W | 5/10 | 4461 days | 1% |
| Sybille Willenbrock | 10/10 | 4516 days | 1% |
| Wouter Bosch | 9/10 | 4535 days | 1% |
| Aude Moulin | 9/10 | 4535 days | 1% |
| The Germans from Australiia | 9/10 | 4553 days | 1% |
| Elizabeth | 7/10 | 4555 days | 1% |
| Roy Driehuis | 7/10 | 4555 days | 1% |
| andrewmh | 8/10 | 4584 days | 1% |
| Henrik Joshua | 9/10 | 4614 days | 1% |
| Kerri | 8/10 | 4675 days | 1% |
| Elise Robson | 6/10 | 4767 days | 1% |
| Claire | 7/10 | 4859 days | 1% |
| Fernando Martin | 8/10 | 4866 days | 1% |
| Michael Nolan | 6/10 | 4887 days | 1% |
| Cabby | 4/10 | 4887 days | 0% |
| Roeland Driessen | 8/10 | 4918 days | 1% |
| William Notcutt | 3/10 | 4918 days | 0% |
| Fred and Carin | 6/10 | 4938 days | 1% |
| nztintin | 9/10 | 5224 days | 1% |
| Matt Kelley | 8/10 | 5233 days | 1% |
| Eric Lombaard | 8/10 | 5236 days | 1% |
| Beat Kindler | 10/10 | 5236 days | 1% |
| Jim Addicott | 10/10 | 5237 days | 1% |
| Jurg Pfaendler | 8/10 | 5241 days | 1% |
| Paul & Michelle Harmer | 7/10 | 5246 days | 1% |
| Heike | 10/10 | 5248 days | 1% |
| Des & Ann Bidwell | 10/10 | 5248 days | 1% |
| Barrie Corless | 5/10 | 5252 days | 1% |
| Mike & April Prince | 7/10 | 5266 days | 1% |
| John Jacobs | 9/10 | 5281 days | 1% |
| CMJ | 9/10 | 5284 days | 1% |
| Les and Carole Savins | 8/10 | 5321 days | 1% |
| Sebastian | 8/10 | 5324 days | 1% |
| Steve | 9/10 | 5329 days | 1% |
| redmatthew16 | 9/10 | 5529 days | 1% |
| Rob O'Neill | 10/10 | 5561 days | 1% |
| Peter | 4/10 | 5574 days | 0% |
| Richard Dudfield | 9/10 | 5576 days | 1% |
| Wayne Forrow | 8/10 | 5580 days | 1% |
| Fasto Maserati | 10/10 | 5580 days | 1% |
| Bill Cutler | 9/10 | 5580 days | 1% |
| Marilyn Buboltz | 9/10 | 5582 days | 1% |
| Rob Hitsert | 9/10 | 5582 days | 1% |
| Gerhard | 9/10 | 5591 days | 1% |
| Jennifer Sunderland | 6/10 | 5592 days | 1% |
| Alice | 9/10 | 5594 days | 1% |
| Bucher Weruer | 8/10 | 5594 days | 1% |
| Marcus | 9/10 | 5595 days | 1% |
| Derek McLoughlin | 9/10 | 5597 days | 1% |
| Flueckiger | 10/10 | 5599 days | 1% |
| Manfred & Gabi | 9/10 | 5601 days | 1% |
| Conny | 10/10 | 5889 days | 1% |
| Peter Aerborg | 9/10 | 5891 days | 1% |
| Quin | 6/10 | 5924 days | 1% |
| Polil | 8/10 | 5941 days | 1% |
| Jvjm Family | 8/10 | 5943 days | 1% |
| Ian Watson | 10/10 | 5956 days | 1% |
| Sue | 9/10 | 5968 days | 1% |
| Harmann Volker | 9/10 | 5977 days | 1% |
| R Gilge | 8/10 | 5979 days | 1% |
| Iris W | 8/10 | 5989 days | 1% |
| Samantha Piekuta | 9/10 | 5992 days | 1% |
| Omar Frenchy | 8/10 | 5992 days | 1% |
| Buss | 8/10 | 5996 days | 1% |
| Jennifer Templeton | 4/10 | 6000 days | 0% |
| middendorp | 9/10 | 6029 days | 1% |
| marylus | 8/10 | 6029 days | 1% |
| Seiler | 8/10 | 6047 days | 1% |
| Flavia Mionelli | 10/10 | 6057 days | 1% |
| Peattie | 9/10 | 6057 days | 1% |
| Roma | 7/10 | 6068 days | 1% |
| canadianislandgirl | 7/10 | 6075 days | 1% |
| hellami | 9/10 | 6075 days | 1% |
| bogaard | 8/10 | 6171 days | 1% |
| Clem | 7/10 | 6172 days | 1% |
| Kazmeister | 10/10 | 6228 days | 1% |
| annysp | 9/10 | 6289 days | 1% |
| JimmyK | 8/10 | 6307 days | 1% |
| Edcan | 7/10 | 6307 days | 1% |
| Johannes & Jopke Fokkema | 8/10 | 6309 days | 1% |
| LucyPoland | 8/10 | 6310 days | 1% |
| NikkiB1 | 3/10 | 6324 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
-2.15% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 118 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 | -2.12% |
| 198 | -2.13% |
| 199 | -2.14% |
| 200 | -2.15% |
| 201 | -2.16% |
| 202 | -2.17% |
| 203 | -2.18% |
| … | … |
Balancing Adjustment
2.32% 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.