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 PiwiWiwi Campervans.
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.
PiwiWiwi Campervans
Valid Reviews
198 Valid Reviews
The PiwiWiwi Campervans experience has a total of 203 reviews. There are 198 valid reviews that are included when calculating the ranking score and 5 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 198 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 184 |
|
93% |
| 9/10 | 12 |
|
6% |
| 8/10 | 2 |
|
1% |
| 7/10 | 0 |
|
0% |
| 6/10 | 0 |
|
0% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
99.19% Average
The raw data average (mean) for all the PiwiWiwi Campervans valid reviews is 99.19% and is based on 198 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
6 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 198 valid reviews, the experience has 6 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 6 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 6 |
|
100% |
| 9/10 | 0 |
|
0% |
| 8/10 | 0 |
|
0% |
| 7/10 | 0 |
|
0% |
| 6/10 | 0 |
|
0% |
| 5/10 | 0 |
|
0% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
100.00% Average
The raw data average (mean) for all the PiwiWiwi Campervans face-to-face reviews is 100.00% and is based on 6 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
99.04%
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 | Face-to-Face | Weight | Relative Weight |
|---|---|---|---|---|---|
| Katherine Paschall | 10/10 | 44 days | 99.69 | 100% | |
| Sandra | 10/10 | 45 days | 99.68 | 100% | |
| Rebecca Sutherland | 10/10 | 45 days | 99.68 | 100% | |
| Olga and Evan Patronik | 10/10 | 45 days | 99.68 | 100% | |
| Sophie Van Tol | 10/10 | 75 days | 99.11 | 99% | |
| Maire Peate | 10/10 | 76 days | 99.08 | 99% | |
| Avalon Ridler | 10/10 | 76 days | 99.08 | 99% | |
| Sarah | 10/10 | 76 days | 99.08 | 99% | |
| Jonneke van de Kamp | 10/10 | 76 days | 99.08 | 99% | |
| jess c | 10/10 | 76 days | 99.08 | 99% | |
| John Sivigny | 10/10 | 105 days | 98.25 | 99% | |
| Maureen Clarke | 10/10 | 105 days | 98.25 | 99% | |
| Stephen Hall | 10/10 | 105 days | 98.25 | 99% | |
| Darryl Neo | 10/10 | 228 days | 91.76 | 92% | |
| Harry Newton | 10/10 | 228 days | 91.76 | 92% | |
| Brooke | 10/10 | 228 days | 91.76 | 92% | |
| Felicia and Andy | 10/10 | 259 days | 89.37 | 90% | |
| LB & Michael | 10/10 | 259 days | 89.37 | 90% | |
| Päivi and John Anderson | 8/10 | 259 days | 84.9 | 85% | |
| Matt Linton | 10/10 | 290 days | 86.67 | 87% | |
| Sandy Curry | 9/10 | 290 days | 86.67 | 87% | |
| Scott Browning | 10/10 | 290 days | 86.67 | 87% | |
| Matthijs, Anouk en Mika Smit | 10/10 | 290 days | 86.67 | 87% | |
| Maija Morgenweck | 10/10 | 290 days | 86.67 | 87% | |
| JPliska | 10/10 | 318 days | 83.98 | 84% | |
| Henry Meehan | 10/10 | 318 days | 83.98 | 84% | |
| Zoran | 10/10 | 318 days | 83.98 | 84% | |
| Svea Brömel | 10/10 | 318 days | 83.98 | 84% | |
| Martin and Nikola | 10/10 | 318 days | 83.98 | 84% | |
| John and Barbara | 10/10 | 349 days | 80.7 | 81% | |
| Phillip Hartin | 10/10 | 349 days | 80.7 | 81% | |
| Andrew Borch | 10/10 | 349 days | 80.7 | 81% | |
| Niek and Anne (The Netherlands) | 10/10 | 349 days | 80.7 | 81% | |
| Joash Picard | 10/10 | 379 days | 77.24 | 77% | |
| Carrie | 10/10 | 380 days | 77.12 | 77% | |
| Zoe | 10/10 | 380 days | 77.12 | 77% | |
| Kara & Joash | 10/10 | 380 days | 77.12 | 77% | |
| Marian van Voorn | 9/10 | 380 days | 77.12 | 77% | |
| Amandine | 10/10 | 380 days | 77.12 | 77% | |
| David Aylmore | 9/10 | 409 days | 73.49 | 73% | |
| Saliha Hamici | 10/10 | 410 days | 73.36 | 73% | |
| Sebastian Torfs | 10/10 | 410 days | 73.36 | 73% | |
| Lochoe Mckinnon | 10/10 | 440 days | 69.32 | 69% | |
| Eric | 10/10 | 441 days | 69.18 | 69% | |
| Mia Tranthem | 10/10 | 441 days | 69.18 | 69% | |
| kael Matthews | 10/10 | 441 days | 69.18 | 69% | |
| Sophie Skinner | 10/10 | 441 days | 69.18 | 69% | |
| Eddie | 10/10 | 593 days | 44.93 | 44% | |
| hazel woodhead | 10/10 | 593 days | 44.93 | 44% | |
| Tom Smithwick | 10/10 | 623 days | 40.3 | 40% | |
| Matt | 10/10 | 624 days | 40.15 | 40% | |
| John Sivigny | 10/10 | 624 days | 40.15 | 40% | |
| Lizzie Watts | 10/10 | 624 days | 40.15 | 40% | |
| Jonathan Clay | 10/10 | 655 days | 35.68 | 35% | |
| Marita O'Brien | 10/10 | 655 days | 35.68 | 35% | |
| Jan | 9/10 | 655 days | 35.68 | 35% | |
| Henry | 10/10 | 655 days | 35.68 | 35% | |
| Andy Barlow | 10/10 | 683 days | 31.9 | 31% | |
| kath combes | 10/10 | 683 days | 31.9 | 31% | |
| Roz Lobo | 10/10 | 683 days | 31.9 | 31% | |
| Jorg | 10/10 | 683 days | 31.9 | 31% | |
| Georgia | 10/10 | 683 days | 31.9 | 31% | |
| Joss, Georgia and Stef | 10/10 | 683 days | 31.9 | 31% | |
| petra | 10/10 | 713 days | 28.12 | 27% | |
| Richard Janes | 10/10 | 713 days | 28.12 | 27% | |
| Kristel & Tim | 10/10 | 713 days | 28.12 | 27% | |
| Felix Maliers | 10/10 | 714 days | 28.0 | 27% | |
| Greg and Syd | 9/10 | 744 days | 24.52 | 24% | |
| Rebecca Grace | 10/10 | 744 days | 24.52 | 24% | |
| Julia | 9/10 | 745 days | 24.41 | 24% | |
| Jonas Himpe | 10/10 | 774 days | 21.33 | 20% | |
| kohn stephan | 10/10 | 774 days | 21.33 | 20% | |
| Tim Leary | 10/10 | 774 days | 21.33 | 20% | |
| Tom Coul | 10/10 | 774 days | 21.33 | 20% | |
| Kim Verplancke | 10/10 | 774 days | 21.33 | 20% | |
| Chris Scrimshaw | 10/10 | 774 days | 21.33 | 20% | |
| Martina & Trev from Switzerland | 10/10 | 775 days | 21.23 | 20% | |
| Wendy and Vincent | 10/10 | 805 days | 18.33 | 17% | |
| James N | 10/10 | 897 days | 11.21 | 10% | |
| Gert van der Lugt | 10/10 | 1019 days | 5.92 | 5% | |
| Stefan Giese | 10/10 | 1019 days | 5.92 | 5% | |
| Hendrik Pschichholtz | 10/10 | 1019 days | 5.92 | 5% | |
| Ray Verbeek | 10/10 | 1019 days | 5.92 | 5% | |
| Andreas Herzog | 10/10 | 1047 days | 5.37 | 4% | |
| Tracy Frauzel | 10/10 | 1056 days |  |
5.24 | 4% |
| michel labrecque | 10/10 | 1078 days | 5.05 | 4% | |
| Garrett South | 10/10 | 1078 days | 5.05 | 4% | |
| Sofia Vadman | 10/10 | 1078 days | 5.05 | 4% | |
| Patricia Pharr-Snyder | 10/10 | 1139 days | 4.91 | 4% | |
| Gabriel Wappler | 10/10 | 1353 days | 4.5 | 3% | |
| Phillip M | 10/10 | 1384 days | 4.43 | 3% | |
| Sarah Considine | 10/10 | 1384 days | 4.43 | 3% | |
| Jack + Jade Hughes | 10/10 | 1384 days | 4.43 | 3% | |
| Gerry Fijal | 10/10 | 1384 days | 4.43 | 3% | |
| Melanie Keller | 10/10 | 1384 days | 4.43 | 3% | |
| Jasper S | 10/10 | 1413 days | 4.38 | 3% | |
| Linc | 9/10 | 1444 days | 4.32 | 3% | |
| Rose Gutekunst | 10/10 | 1444 days | 4.32 | 3% | |
| Marcel Janser | 10/10 | 1444 days | 4.32 | 3% | |
| Vicki Janes | 10/10 | 1475 days | 4.26 | 3% | |
| Ky Phillips | 10/10 | 1537 days | 4.14 | 3% | |
| Taylor Wirth | 10/10 | 1566 days | 4.08 | 3% | |
| Emma Gaylord | 10/10 | 1566 days | 4.08 | 3% | |
| Jean Capron | 10/10 | 1719 days | 3.78 | 3% | |
| Barbara | 10/10 | 1719 days | 3.78 | 3% | |
| Jan Menzies | 10/10 | 1719 days | 3.78 | 3% | |
| Jenny Mulholland | 10/10 | 1750 days | 3.72 | 3% | |
| Charles norris | 10/10 | 1750 days | 3.72 | 3% | |
| Lee & Sarah . | 10/10 | 1750 days | 3.72 | 3% | |
| Abi Fielder | 10/10 | 1778 days | 3.66 | 3% | |
| janny van der Burg | 10/10 | 1778 days | 3.66 | 3% | |
| HANNAH BROOKSBANK | 10/10 | 1778 days | 3.66 | 3% | |
| Simon Betschart | 10/10 | 1778 days | 3.66 | 3% | |
| Yannick | 10/10 | 1809 days | 3.6 | 2% | |
| MikeHoncho | 10/10 | 1809 days | 3.6 | 2% | |
| Dave Ruijter | 10/10 | 1809 days | 3.6 | 2% | |
| Alison Gemrany | 10/10 | 1809 days | 3.6 | 2% | |
| AndyDavies | 10/10 | 1840 days | 3.54 | 2% | |
| Priscilla | 10/10 | 1870 days | 3.48 | 2% | |
| Sarah Jones | 10/10 | 1870 days | 3.48 | 2% | |
| Erwin & Dani Matijsen | 10/10 | 1870 days | 3.48 | 2% | |
| Alanna Y | 10/10 | 1870 days | 3.48 | 2% | |
| Sal Hubert | 10/10 | 1901 days | |
3.42 | 2% |
| Mia & Martin | 10/10 | 1901 days | 3.42 | 2% | |
| Adam Miller | 10/10 | 1931 days | 3.36 | 2% | |
| Joe Kuchman | 10/10 | 2054 days | 3.12 | 2% | |
| Ryan & Rita Pierce | 10/10 | 2085 days | 3.06 | 2% | |
| Janet Mook | 9/10 | 2116 days | 3.0 | 2% | |
| Andy/Robyn Long | 10/10 | 2116 days | 3.0 | 2% | |
| Jon Jamie | 10/10 | 2116 days | 3.0 | 2% | |
| Erica Bradford | 10/10 | 2144 days | 2.95 | 2% | |
| Paulo Dias | 10/10 | 2144 days | 2.95 | 2% | |
| Jana Zanetto | 10/10 | 2144 days | 2.95 | 2% | |
| David Haines-Hanham | 10/10 | 2150 days | |
2.94 | 2% |
| Sally Haines | 10/10 | 2150 days | |
2.94 | 2% |
| Katie | 10/10 | 2175 days | 2.89 | 2% | |
| Stefanie Summer | 10/10 | 2175 days | 2.89 | 2% | |
| seb_lag | 9/10 | 2175 days | 2.89 | 2% | |
| Geo | 10/10 | 2175 days | 2.89 | 2% | |
| Ineke & Wouter | 8/10 | 2175 days | 2.74 | 2% | |
| sally haines-hanham | 10/10 | 2175 days | 2.89 | 2% | |
| Marc Greeve | 10/10 | 2183 days | |
2.87 | 2% |
| Paul Eaves | 10/10 | 2236 days | 2.77 | 2% | |
| Anna Barber | 9/10 | 2236 days | 2.77 | 2% | |
| Adam | 10/10 | 2267 days | 2.71 | 2% | |
| Rob & Margot | 10/10 | 2296 days | 2.65 | 2% | |
| Vikki reeves | 10/10 | 2296 days | 2.65 | 2% | |
| Gerard McAuley | 10/10 | 2296 days | 2.65 | 2% | |
| Stephanie | 10/10 | 2300 days | |
2.64 | 2% |
| Ben Z | 10/10 | 2450 days | 2.35 | 1% | |
| GLD | 10/10 | 2481 days | 2.29 | 1% | |
| Colin Bond | 10/10 | 2481 days | 2.29 | 1% | |
| HandH | 10/10 | 2481 days | 2.29 | 1% | |
| Chris Ledwig | 10/10 | 2481 days | 2.29 | 1% | |
| joepolog40 | 10/10 | 2481 days | 2.29 | 1% | |
| titougreg29 | 10/10 | 2509 days | 2.23 | 1% | |
| Brian | 10/10 | 2509 days | 2.23 | 1% | |
| Wibo de Vries | 10/10 | 2509 days | 2.23 | 1% | |
| Katie&Mike U | 10/10 | 2509 days | 2.23 | 1% | |
| Peg Wooten | 10/10 | 2540 days | 2.17 | 1% | |
| Marc Hoskins | 10/10 | 2540 days | 2.17 | 1% | |
| Velvette | 10/10 | 2540 days | 2.17 | 1% | |
| Stephanie Zellerer | 10/10 | 2540 days | 2.17 | 1% | |
| Tina Gehmecker | 10/10 | 2540 days | 2.17 | 1% | |
| paulcallanan | 10/10 | 2540 days | 2.17 | 1% | |
| Tom Batty | 10/10 | 2540 days | 2.17 | 1% | |
| Dave Worthington | 10/10 | 2540 days | 2.17 | 1% | |
| Jodie Cronk | 10/10 | 2540 days | 2.17 | 1% | |
| Jen&Digs M | 10/10 | 2571 days | 2.11 | 1% | |
| Paul Leow | 10/10 | 2571 days | 2.11 | 1% | |
| phnz | 10/10 | 2571 days | 2.11 | 1% | |
| medellia371 | 10/10 | 2601 days | 2.05 | 1% | |
| Ihopkin | 10/10 | 2601 days | 2.05 | 1% | |
| dan_robyn | 10/10 | 2632 days | 1.99 | 1% | |
| erinlongtrail | 10/10 | 2632 days | 1.99 | 1% | |
| sal | 10/10 | 2661 days | 1.94 | 1% | |
| Horius | 10/10 | 2661 days | 1.94 | 1% | |
| kayburns | 9/10 | 2661 days | 1.94 | 1% | |
| Funkytiptoe | 10/10 | 2661 days | 1.94 | 1% | |
| Christian Fell | 10/10 | 2661 days | 1.94 | 1% | |
| aloedriscoll | 10/10 | 2784 days | 1.69 | 1% | |
| h schmidt | 10/10 | 2815 days | 1.63 | 0% | |
| jensmitty | 10/10 | 2815 days | 1.63 | 0% | |
| aubreyfalk | 10/10 | 2815 days | 1.63 | 0% | |
| WDC_Oxfam2012 | 10/10 | 2815 days | 1.63 | 0% | |
| doublesessions | 9/10 | 2846 days | 1.57 | 0% | |
| tdean | 10/10 | 2846 days | 1.57 | 0% | |
| Ewan | 10/10 | 2846 days | 1.57 | 0% | |
| StefanKatie | 10/10 | 2875 days | 1.52 | 0% | |
| François | 10/10 | 2906 days | 1.46 | 0% | |
| essy | 10/10 | 2937 days | 1.4 | 0% | |
| Bkeeping | 10/10 | 2937 days | 1.4 | 0% | |
| mandaroni | 10/10 | 2967 days | 1.34 | 0% | |
| cioffil | 10/10 | 2998 days | 1.28 | 0% | |
| jackmason | 10/10 | 2998 days | 1.28 | 0% | |
| greanman | 10/10 | 2998 days | 1.28 | 0% | |
| jimmynew7121 | 10/10 | 3027 days | 1.22 | 0% | |
| lmharwood | 10/10 | 3058 days | 1.16 | 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 PiwiWiwi Campervans experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-0.02% Adjustment
There may be an adjustment if an experience hasn't received any reviews within the last 60 days. However the PiwiWiwi Campervans 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 199 days.
The PiwiWiwi Campervans experience has been adjusted for 1 day. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 0 | -0.00% |
| 1 | -0.02% |
| 2 | -0.04% |
| 3 | -0.06% |
| 4 | -0.08% |
| … | … |
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.