Ranking Score Explained
Hi there, 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 Tongariro River Rafting.
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.
Nick Morrison
Rankers owner
Tongariro River Rafting
Valid Reviews
144 Valid Reviews
The Tongariro River Rafting experience has a total of 144 valid reviews. There are no 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 144 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 120 |
|
83% |
| 9/10 | 17 |
|
12% |
| 8/10 | 5 |
|
3% |
| 7/10 | 2 |
|
1% |
| 6/10 | 0 |
|
0% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
97.71% Average
The raw data average (mean) for all the Tongariro River Rafting valid reviews is 97.71% and is based on 144 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
14 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 144 valid reviews, the experience has 14 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 14 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 8 |
|
57% |
| 9/10 | 2 |
|
14% |
| 8/10 | 3 |
|
21% |
| 7/10 | 1 |
|
7% |
| 6/10 | 0 |
|
0% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
92.14% Average
The raw data average (mean) for all the Tongariro River Rafting face-to-face reviews is 92.14% and is based on 14 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
98.76%
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 | Face-to-Face | Weight | Relative Weight |
|---|---|---|---|---|---|
| ACE Richardson | 10/10 | 26 days | 99.89 | 100% | |
| Thea :-) | 10/10 | 88 days | 98.77 | 99% | |
| William Webb | 10/10 | 115 days | 97.9 | 98% | |
| Katelyn Mills | 10/10 | 116 days | 97.87 | 98% | |
| Mrs Smith | 10/10 | 116 days | 97.87 | 98% | |
| Mel | 10/10 | 116 days | 97.87 | 98% | |
| Wayne Smith | 10/10 | 116 days | 97.87 | 98% | |
| Kim | 10/10 | 146 days | 96.62 | 97% | |
| Songyang Liu | 10/10 | 146 days | 96.62 | 97% | |
| Mark Haydon | 10/10 | 480 days | 63.49 | 63% | |
| Kathryn Sherlock | 10/10 | 695 days | 30.35 | 29% | |
| Cherie Kemp | 10/10 | 695 days | 30.35 | 29% | |
| Renee Kemp | 10/10 | 695 days | 30.35 | 29% | |
| Patrick McIvor | 10/10 | 817 days | 17.25 | 16% | |
| Lengxi | 10/10 | 844 days |  |
17.98 | 17% |
| Uschi Pongratz | 10/10 | 852 days | |
17.23 | 16% |
| Jessica Ruhland | 10/10 | 852 days | |
17.23 | 16% |
| Paul | 7/10 | 857 days | |
16.77 | 16% |
| Philip Piel | 8/10 | 857 days | |
16.77 | 16% |
| Chiara | 8/10 | 857 days | |
16.77 | 16% |
| Jess | 10/10 | 894 days | |
13.68 | 13% |
| TashJ | 10/10 | 908 days | 10.54 | 9% | |
| Funny Schutt | 10/10 | 908 days | 10.54 | 9% | |
| Craig McCarthy | 10/10 | 939 days | 8.86 | 8% | |
| Tim K | 10/10 | 939 days | 8.86 | 8% | |
| Jack Shearer | 10/10 | 1061 days | 5.18 | 4% | |
| Monika M | 10/10 | 1091 days | 5.0 | 4% | |
| Ian Wilmot | 10/10 | 1152 days | 4.92 | 4% | |
| Rodger Lamb | 10/10 | 1183 days | 4.88 | 4% | |
| Leah Kyllo | 10/10 | 1242 days | 4.8 | 3% | |
| Juliet Battersby | 10/10 | 1242 days | 4.8 | 3% | |
| Chris C | 10/10 | 1303 days | 4.72 | 3% | |
| Jessica | 10/10 | 1395 days | 4.59 | 3% | |
| Mike Hollows | 10/10 | 1487 days | 4.46 | 3% | |
| Monique Hollows | 10/10 | 1548 days | 4.38 | 3% | |
| Thomas Subritzky | 10/10 | 1549 days | 4.38 | 3% | |
| Helen Steele | 10/10 | 1577 days | 4.34 | 3% | |
| andy godfrey | 9/10 | 1608 days | 4.3 | 3% | |
| Chris Nisbet | 8/10 | 1608 days | 4.3 | 3% | |
| Michelle Sanders | 9/10 | 1639 days | 4.25 | 3% | |
| phil costello | 8/10 | 1669 days | 4.21 | 3% | |
| Robyn Orchard | 10/10 | 1700 days | 4.17 | 3% | |
| Gisele Phillips | 9/10 | 1700 days | 4.17 | 3% | |
| E Wall | 10/10 | 1700 days | 4.17 | 3% | |
| Julie | 10/10 | 1729 days | 4.13 | 3% | |
| Little | 10/10 | 1729 days | 4.13 | 3% | |
| Grahame Keast | 10/10 | 1760 days | 4.09 | 3% | |
| Linda Bates | 10/10 | 1760 days | 4.09 | 3% | |
| Morgan Buckingham | 10/10 | 1760 days | 4.09 | 3% | |
| Bertiethebus | 10/10 | 1883 days | 3.92 | 3% | |
| Julian Roots | 10/10 | 1914 days | 3.88 | 3% | |
| Lynette Nicolson | 10/10 | 1973 days | 3.8 | 2% | |
| RENs Rens | 10/10 | 1973 days | 3.8 | 2% | |
| CKDNH | 10/10 | 2034 days | 3.71 | 2% | |
| mattus | 9/10 | 2034 days | 3.71 | 2% | |
| Ken | 10/10 | 2034 days | 3.71 | 2% | |
| Kathy27 | 10/10 | 2034 days | 3.71 | 2% | |
| ladywithplants | 9/10 | 2094 days | 3.63 | 2% | |
| princessliz | 10/10 | 2094 days | 3.63 | 2% | |
| lariley | 9/10 | 2094 days | 3.63 | 2% | |
| richardp | 10/10 | 2125 days | 3.59 | 2% | |
| prasanth03 | 10/10 | 2156 days | 3.55 | 2% | |
| EllieW | 10/10 | 2186 days | 3.51 | 2% | |
| Terry | 10/10 | 2248 days | 3.42 | 2% | |
| Borderland | 10/10 | 2279 days | 3.38 | 2% | |
| jimbob | 10/10 | 2279 days | 3.38 | 2% | |
| mopheim | 10/10 | 2279 days | 3.38 | 2% | |
| Mats Harstedt | 9/10 | 2288 days | |
4.04 | 3% |
| KateS | 10/10 | 2308 days | 3.34 | 2% | |
| RubberDuck | 10/10 | 2339 days | 3.3 | 2% | |
| Red_Hurring | 10/10 | 2339 days | 3.3 | 2% | |
| travelpam | 10/10 | 2339 days | 3.3 | 2% | |
| barjjake | 9/10 | 2339 days | 3.3 | 2% | |
| cindyd | 10/10 | 2370 days | 3.25 | 2% | |
| webstersuk | 10/10 | 2370 days | 3.25 | 2% | |
| pezalone | 10/10 | 2370 days | 3.25 | 2% | |
| WiseOwl | 10/10 | 2370 days | 3.25 | 2% | |
| mausandhari | 10/10 | 2370 days | 3.25 | 2% | |
| Pauline | 10/10 | 2400 days | 3.21 | 2% | |
| JadesWorld | 9/10 | 2400 days | 3.21 | 2% | |
| utstarfish | 10/10 | 2400 days | 3.21 | 2% | |
| johnco78 | 10/10 | 2400 days | 3.21 | 2% | |
| jrwholey | 10/10 | 2431 days | 3.17 | 2% | |
| ShawnM | 10/10 | 2431 days | 3.17 | 2% | |
| Tarsh | 10/10 | 2431 days | 3.17 | 2% | |
| lindahealey | 10/10 | 2431 days | 3.17 | 2% | |
| campbell_steven | 10/10 | 2460 days | 3.13 | 2% | |
| markrussell | 10/10 | 2460 days | 3.13 | 2% | |
| Bayneer | 10/10 | 2460 days | 3.13 | 2% | |
| jaspreetsohal86 | 10/10 | 2460 days | 3.13 | 2% | |
| kiwiholly | 10/10 | 2460 days | 3.13 | 2% | |
| garethd1980 | 10/10 | 2460 days | 3.13 | 2% | |
| Mulliano | 10/10 | 2460 days | 3.13 | 2% | |
| CathyK | 10/10 | 2491 days | 3.09 | 2% | |
| silver | 10/10 | 2491 days | 3.09 | 2% | |
| Meyerclan | 10/10 | 2522 days | 3.05 | 2% | |
| poetania | 10/10 | 2552 days | 3.0 | 2% | |
| southernboy611 | 10/10 | 2552 days | 3.0 | 2% | |
| EvilChris | 10/10 | 2583 days | 2.96 | 2% | |
| nia427 | 10/10 | 2614 days | 2.92 | 2% | |
| Mags620 | 10/10 | 2614 days | 2.92 | 2% | |
| deanblackburn | 10/10 | 2614 days | 2.92 | 2% | |
| Heatherorchard | 10/10 | 2645 days | 2.88 | 2% | |
| BeetleBom | 10/10 | 2645 days | 2.88 | 2% | |
| AnnaBain | 10/10 | 2673 days | 2.84 | 1% | |
| geezer | 10/10 | 2673 days | 2.84 | 1% | |
| Jen | 10/10 | 2673 days | 2.84 | 1% | |
| busheybrew | 10/10 | 2673 days | 2.84 | 1% | |
| painter47 | 10/10 | 2704 days | 2.8 | 1% | |
| ganbji | 9/10 | 2704 days | 2.8 | 1% | |
| charles | 10/10 | 2735 days | 2.75 | 1% | |
| alanos | 9/10 | 2735 days | 2.75 | 1% | |
| teeneelz | 10/10 | 2735 days | 2.75 | 1% | |
| Douggie | 7/10 | 2825 days | 2.63 | 1% | |
| celticcolleen | 10/10 | 2948 days | 2.46 | 1% | |
| MarcyMark | 10/10 | 2979 days | 2.42 | 1% | |
| Susiekj | 10/10 | 3010 days | 2.38 | 1% | |
| Kirsten | 10/10 | 3038 days | 2.34 | 1% | |
| Ravi Chand | 10/10 | 3069 days | 2.3 | 1% | |
| Sika | 10/10 | 3069 days | 2.3 | 1% | |
| anthony mcclaren | 9/10 | 3069 days | 2.3 | 1% | |
| menzel | 10/10 | 3083 days | |
2.73 | 1% |
| joannaw | 10/10 | 3085 days | |
2.73 | 1% |
| meisterbaumann | 10/10 | 3100 days | 2.25 | 1% | |
| Stefanie Micheler | 10/10 | 3111 days | |
2.69 | 1% |
| Aussies | 10/10 | 3130 days | 2.21 | 1% | |
| Jake Volle | 10/10 | 3130 days | 2.21 | 1% | |
| Jess Woods | 10/10 | 3190 days | 2.13 | 1% | |
| emmah | 9/10 | 3226 days | |
2.5 | 1% |
| Dave Roebuck | 10/10 | 3252 days | 2.05 | 1% | |
| steph_m | 9/10 | 3353 days | 1.91 | 1% | |
| JasonL | 8/10 | 3356 days | |
2.28 | 1% |
| Tanja Kirschmann | 10/10 | 3357 days | 1.9 | 1% | |
| MicheyJ | 10/10 | 3359 days | 1.9 | 1% | |
| caz | 10/10 | 3380 days | 1.87 | 1% | |
| Cilla | 10/10 | 3385 days | |
2.24 | 1% |
| Hannah | 10/10 | 3387 days | 1.86 | 1% | |
| karlijn schaap | 10/10 | 3464 days | 1.75 | 0% | |
| Murray | 10/10 | 3494 days | 1.71 | 0% | |
| Jan Burch | 9/10 | 3606 days | 1.56 | 0% | |
| zane mirfin | 10/10 | 3663 days | 1.48 | 0% | |
| becky | 10/10 | 3691 days | 1.44 | 0% | |
| dave | 9/10 | 3719 days | 1.41 | 0% | |
| shinylight | 9/10 | 3751 days | 1.36 | 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 Tongariro River Rafting experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-0.14% Adjustment
There may be an adjustment if an experience hasn't received any reviews within the last 60 days. However the Tongariro River Rafting 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 364 days.
The Tongariro River Rafting experience has been adjusted for 7 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 4 | -0.08% |
| 5 | -0.10% |
| 6 | -0.12% |
| 7 | -0.14% |
| 8 | -0.16% |
| 9 | -0.18% |
| 10 | -0.20% |
| … | … |
Final Ranking Score
99%
The final ranking score once adjustments and rounding has been applied. This value is cached and recalculated each day. Therefore it may not be precisely accurate based on the other values presented.
If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz.