G'day, 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 Driving Creek Railway & Potteries.
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.
92 Valid Reviews
The Driving Creek Railway & Potteries experience has a total of 93 reviews. There are 92 valid reviews that are included when calculating the ranking score and 1 invalid review 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 92 valid reviews:
Rating | Count | Percentage | |
---|---|---|---|
10/10 | 31 |
|
34% |
9/10 | 20 |
|
22% |
8/10 | 25 |
|
27% |
7/10 | 8 |
|
9% |
6/10 | 1 |
|
1% |
5/10 | 4 |
|
4% |
4/10 | 2 |
|
2% |
3/10 | 1 |
|
1% |
2/10 | 0 |
|
0% |
1/10 | 0 |
|
0% |
85.11% Average
The raw data average (mean) for all the Driving Creek Railway & Potteries valid reviews is 85.11% and is based on 92 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.
81 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 92 valid reviews, the experience has 81 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 81 face-to-face reviews:
Rating | Count | Percentage | |
---|---|---|---|
10/10 | 27 |
|
33% |
9/10 | 18 |
|
22% |
8/10 | 22 |
|
27% |
7/10 | 7 |
|
9% |
6/10 | 1 |
|
1% |
5/10 | 3 |
|
4% |
4/10 | 2 |
|
2% |
3/10 | 1 |
|
1% |
2/10 | 0 |
|
0% |
1/10 | 0 |
|
0% |
85.06% Average
The raw data average (mean) for all the Driving Creek Railway & Potteries face-to-face reviews is 85.06% and is based on 81 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
86.39%
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 |
---|---|---|---|
Richard Webb | 10/10 | 2934 days | 100% |
Colin George | 10/10 | 2984 days | 96% |
Vanuxem | 3/10 | 3231 days | 42% |
Camilla Geert | 5/10 | 3241 days | 60% |
Manibod Vannaphone | 8/10 | 3258 days | 76% |
Stephan Friedrich | 10/10 | 3278 days | 76% |
Frank | 8/10 | 3290 days | 74% |
Tatiana Racheneau | 10/10 | 3304 days | 74% |
Liz and Alan Weathers | 8/10 | 3664 days | 48% |
Phil Bromby | 10/10 | 3989 days | 26% |
Helen | 10/10 | 3992 days | 26% |
Jonas Nielsen | 4/10 | 3998 days | 16% |
Karel | 9/10 | 4008 days | 24% |
FlyingKiwiGirl | 8/10 | 4357 days | 0% |
Emmanuel Tedeschi | 7/10 | 4359 days | 0% |
Soren and Inelase Lindhardbell | 10/10 | 4429 days | 34% |
Soren and Inelase Lindhardbell | 10/10 | 4429 days | 34% |
Marian | 8/10 | 4449 days | 34% |
Jonathan Tuthill | 10/10 | 4707 days | 34% |
Goran Backlund | 8/10 | 4707 days | 34% |
Burkard Fabu | 10/10 | 4714 days | 34% |
Susanne A | 10/10 | 4719 days | 34% |
Peter Hart | 8/10 | 4719 days | 34% |
Johann Maier | 10/10 | 4735 days | 34% |
pamr | 10/10 | 4735 days | 34% |
Colin Philpott | 9/10 | 4744 days | 34% |
John Reynolds | 9/10 | 4746 days | 34% |
R Laurysen | 7/10 | 4748 days | 32% |
Mike1952 | 8/10 | 4751 days | 34% |
Fred Saunders | 10/10 | 4777 days | 34% |
Vbeirne | 9/10 | 4782 days | 34% |
hendrik king | 7/10 | 4813 days | 32% |
Andreas & Sonja | 8/10 | 4829 days | 34% |
Anders Rathleff | 8/10 | 4829 days | 34% |
R & M Willows | 10/10 | 4830 days | 34% |
Schroeder | 9/10 | 5076 days | 34% |
Jackie MacRostie | 9/10 | 5078 days | 34% |
Krabbe | 8/10 | 5079 days | 34% |
Diete Rokosch | 10/10 | 5089 days | 34% |
Mirka Tinterova | 10/10 | 5090 days | 34% |
J Blake | 9/10 | 5092 days | 34% |
Pieter | 8/10 | 5093 days | 34% |
George Lepple | 10/10 | 5446 days | 34% |
Mr and Mrs Scott | 5/10 | 5453 days | 26% |
Tony Killingray | 9/10 | 5456 days | 34% |
Heike Pless | 10/10 | 5462 days | 34% |
Ronja Op | 4/10 | 5477 days | 22% |
Carol Dale | 9/10 | 5479 days | 34% |
Carolina Gonzalez | 9/10 | 5479 days | 34% |
Ines Diana | 10/10 | 5480 days | 34% |
asiacritics | 8/10 | 5543 days | 34% |
Anita de Boer | 9/10 | 5545 days | 34% |
dirkdev | 9/10 | 5547 days | 34% |
Bill Nash | 9/10 | 5547 days | 34% |
rolandop | 8/10 | 5547 days | 34% |
Vanessa | 10/10 | 5554 days | 34% |
Karen & Ian | 10/10 | 5554 days | 34% |
Hennie Neeleman | 9/10 | 5555 days | 34% |
Pieter Neeleman | 8/10 | 5555 days | 34% |
Mareike G | 7/10 | 5555 days | 32% |
Josie Boyle | 5/10 | 5715 days | 26% |
Katy Boyle | 5/10 | 5715 days | 26% |
joyceb | 10/10 | 5742 days | 34% |
Charles Lyne | 9/10 | 5757 days | 34% |
BouterG | 7/10 | 5783 days | 32% |
Kaye | 10/10 | 5787 days | 34% |
caroldarren | 10/10 | 5787 days | 34% |
JanL | 10/10 | 5787 days | 34% |
LandR | 10/10 | 5788 days | 34% |
JaneM | 9/10 | 5793 days | 34% |
Erik | 8/10 | 5809 days | 34% |
Grimm | 9/10 | 5810 days | 34% |
Darren Main | 10/10 | 5818 days | 34% |
RichardE | 9/10 | 5822 days | 34% |
CarolF | 10/10 | 5822 days | 34% |
Ian S | 7/10 | 5836 days | 32% |
Rona | 8/10 | 5837 days | 34% |
Nanno | 8/10 | 5837 days | 34% |
Miranda | 7/10 | 5863 days | 32% |
Kirsten | 8/10 | 5899 days | 34% |
olland | 8/10 | 5907 days | 34% |
carl_fagan | 10/10 | 6061 days | 34% |
Anne and Derek | 8/10 | 6179 days | 34% |
Andria Davis | 9/10 | 6180 days | 34% |
Richard Steward | 10/10 | 6184 days | 34% |
Marc Hertogs | 7/10 | 6203 days | 32% |
Seldam | 6/10 | 6235 days | 29% |
Monika | 8/10 | 6262 days | 34% |
Rietveld | 9/10 | 6545 days | 34% |
beesom | 8/10 | 6553 days | 34% |
Rolf | 8/10 | 6565 days | 34% |
Nicole | 8/10 | 6565 days | 34% |
Several adjustments to the weighted average are added to improve relevancy and credibility. These adjustments apply equally to all experiences that meet the criteria.
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 Driving Creek Railway & Potteries experience has plenty of reviews and does not meet the criteria for any adjustment.
-4.15% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 50 days. However the Driving Creek Railway & Potteries 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 Driving Creek Railway & Potteries experience has been adjusted for 200 days. Adjustments are according to the following table.
Days | Adjustment |
---|---|
… | … |
197 | -4.08% |
198 | -4.11% |
199 | -4.13% |
200 | -4.15% |
201 | -4.17% |
202 | -4.19% |
203 | -4.21% |
… | … |
2.42% 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.
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.