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
85.04%
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 | 251 days | 100% |
| Julie | 10/10 | 1105 days | 36% |
| Matt Olejniczak | 9/10 | 1166 days | 31% |
| Julia | 9/10 | 1256 days | 24% |
| Darrell | 8/10 | 1531 days | 10% |
| Alec | 8/10 | 1590 days | 8% |
| Ralph Gleek | 10/10 | 1924 days | 5% |
| Shar-ron & Jim | 10/10 | 2077 days | 4% |
| Kiwi | 3/10 | 2566 days | 2% |
| Liz | 3/10 | 2596 days | 2% |
| Clare & Gerry | 10/10 | 2627 days | 3% |
| Kiwi | 9/10 | 2686 days | 3% |
| Jacqui | 10/10 | 2717 days | 3% |
| helen reeve | 10/10 | 2778 days | 3% |
| Bex & Jake | 8/10 | 2931 days | 3% |
| Sree Polavarapu | 10/10 | 2992 days | 3% |
| Tammy Schein | 9/10 | 3112 days | 2% |
| Chanelle Weller | 6/10 | 3315 days | 2% |
| Scott McGee | 1/10 | 3385 days | 0% |
| Shay | 9/10 | 3600 days | 1% |
| Jean marc Daubenfeld | 9/10 | 3778 days | 1% |
| Matthew Hallowell | 7/10 | 3779 days | 1% |
| Caro G | 9/10 | 3848 days | 1% |
| Robert | 9/10 | 4112 days | 0% |
| Manuela Opprecht | 10/10 | 4127 days | 0% |
| Fay Young | 5/10 | 4147 days | 0% |
| Leah Stewart | 9/10 | 4152 days | 0% |
| G & W | 5/10 | 4420 days | 0% |
| Sybille Willenbrock | 10/10 | 4475 days | 1% |
| Wouter Bosch | 9/10 | 4494 days | 1% |
| Aude Moulin | 9/10 | 4494 days | 1% |
| The Germans from Australiia | 9/10 | 4512 days | 1% |
| Elizabeth | 7/10 | 4514 days | 1% |
| Roy Driehuis | 7/10 | 4514 days | 1% |
| andrewmh | 8/10 | 4543 days | 1% |
| Henrik Joshua | 9/10 | 4573 days | 1% |
| Kerri | 8/10 | 4634 days | 1% |
| Elise Robson | 6/10 | 4726 days | 1% |
| Claire | 7/10 | 4818 days | 1% |
| Fernando Martin | 8/10 | 4825 days | 1% |
| Michael Nolan | 6/10 | 4846 days | 1% |
| Cabby | 4/10 | 4846 days | 0% |
| Roeland Driessen | 8/10 | 4877 days | 1% |
| William Notcutt | 3/10 | 4877 days | 0% |
| Fred and Carin | 6/10 | 4897 days | 1% |
| nztintin | 9/10 | 5183 days | 1% |
| Matt Kelley | 8/10 | 5192 days | 1% |
| Eric Lombaard | 8/10 | 5195 days | 1% |
| Beat Kindler | 10/10 | 5195 days | 1% |
| Jim Addicott | 10/10 | 5196 days | 1% |
| Jurg Pfaendler | 8/10 | 5200 days | 1% |
| Paul & Michelle Harmer | 7/10 | 5205 days | 1% |
| Heike | 10/10 | 5207 days | 1% |
| Des & Ann Bidwell | 10/10 | 5207 days | 1% |
| Barrie Corless | 5/10 | 5211 days | 0% |
| Mike & April Prince | 7/10 | 5225 days | 1% |
| John Jacobs | 9/10 | 5240 days | 1% |
| CMJ | 9/10 | 5243 days | 1% |
| Les and Carole Savins | 8/10 | 5280 days | 1% |
| Sebastian | 8/10 | 5283 days | 1% |
| Steve | 9/10 | 5288 days | 1% |
| redmatthew16 | 9/10 | 5488 days | 1% |
| Rob O'Neill | 10/10 | 5520 days | 1% |
| Peter | 4/10 | 5533 days | 0% |
| Richard Dudfield | 9/10 | 5535 days | 1% |
| Wayne Forrow | 8/10 | 5539 days | 1% |
| Fasto Maserati | 10/10 | 5539 days | 1% |
| Bill Cutler | 9/10 | 5539 days | 1% |
| Marilyn Buboltz | 9/10 | 5541 days | 1% |
| Rob Hitsert | 9/10 | 5541 days | 1% |
| Gerhard | 9/10 | 5550 days | 1% |
| Jennifer Sunderland | 6/10 | 5551 days | 1% |
| Alice | 9/10 | 5553 days | 1% |
| Bucher Weruer | 8/10 | 5553 days | 1% |
| Marcus | 9/10 | 5554 days | 1% |
| Derek McLoughlin | 9/10 | 5556 days | 1% |
| Flueckiger | 10/10 | 5558 days | 1% |
| Manfred & Gabi | 9/10 | 5560 days | 1% |
| Conny | 10/10 | 5848 days | 1% |
| Peter Aerborg | 9/10 | 5850 days | 1% |
| Quin | 6/10 | 5883 days | 1% |
| Polil | 8/10 | 5900 days | 1% |
| Jvjm Family | 8/10 | 5902 days | 1% |
| Ian Watson | 10/10 | 5915 days | 1% |
| Sue | 9/10 | 5927 days | 1% |
| Harmann Volker | 9/10 | 5936 days | 1% |
| R Gilge | 8/10 | 5938 days | 1% |
| Iris W | 8/10 | 5948 days | 1% |
| Samantha Piekuta | 9/10 | 5951 days | 1% |
| Omar Frenchy | 8/10 | 5951 days | 1% |
| Buss | 8/10 | 5955 days | 1% |
| Jennifer Templeton | 4/10 | 5959 days | 0% |
| middendorp | 9/10 | 5988 days | 1% |
| marylus | 8/10 | 5988 days | 1% |
| Seiler | 8/10 | 6006 days | 1% |
| Flavia Mionelli | 10/10 | 6016 days | 1% |
| Peattie | 9/10 | 6016 days | 1% |
| Roma | 7/10 | 6027 days | 1% |
| canadianislandgirl | 7/10 | 6034 days | 1% |
| hellami | 9/10 | 6034 days | 1% |
| bogaard | 8/10 | 6130 days | 1% |
| Clem | 7/10 | 6131 days | 1% |
| Kazmeister | 10/10 | 6187 days | 1% |
| annysp | 9/10 | 6248 days | 1% |
| JimmyK | 8/10 | 6266 days | 1% |
| Edcan | 7/10 | 6266 days | 1% |
| Johannes & Jopke Fokkema | 8/10 | 6268 days | 1% |
| LucyPoland | 8/10 | 6269 days | 1% |
| NikkiB1 | 3/10 | 6283 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
-2.91% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 86 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 | -2.87% |
| 198 | -2.88% |
| 199 | -2.90% |
| 200 | -2.91% |
| 201 | -2.93% |
| 202 | -2.94% |
| 203 | -2.96% |
| … | … |
Balancing Adjustment
2.45% 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.