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 Wellington Botanic Gardens.
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.
Wellington Botanic Gardens
Valid Reviews
70 Valid Reviews
The Wellington Botanic Gardens experience has a total of 70 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 70 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 16 |
|
23% |
| 9/10 | 23 |
|
33% |
| 8/10 | 20 |
|
29% |
| 7/10 | 10 |
|
14% |
| 6/10 | 0 |
|
0% |
| 5/10 | 1 |
|
1% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
86.00% Average
The raw data average (mean) for all the Wellington Botanic Gardens valid reviews is 86.00% and is based on 70 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
61 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 70 valid reviews, the experience has 61 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 61 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 13 |
|
21% |
| 9/10 | 21 |
|
34% |
| 8/10 | 18 |
|
30% |
| 7/10 | 8 |
|
13% |
| 6/10 | 0 |
|
0% |
| 5/10 | 1 |
|
2% |
| 4/10 | 0 |
|
0% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
85.90% Average
The raw data average (mean) for all the Wellington Botanic Gardens face-to-face reviews is 85.90% and is based on 61 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
90.87%
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 |
|---|---|---|---|---|---|
| Mike Fricker | 10/10 | 353 days | 80.25 | 100% | |
| Helna Saumanova | 10/10 | 981 days |  |
7.06 | 8% |
| Richard | 8/10 | 1029 days | |
5.41 | 6% |
| Sabrina and Hannes | 9/10 | 1048 days | |
5.35 | 6% |
| Selma Franke | 9/10 | 1052 days | |
5.29 | 6% |
| Su Jung Han | 10/10 | 1272 days | |
4.7 | 5% |
| Fanny | 9/10 | 1273 days | |
4.7 | 5% |
| Hector Sharp | 7/10 | 1273 days | |
4.27 | 5% |
| Andre | 10/10 | 1289 days | |
4.67 | 5% |
| Sybille | 10/10 | 1289 days | |
4.67 | 5% |
| Marine | 8/10 | 1290 days | |
4.43 | 5% |
| Paul Gaylon | 10/10 | 1293 days | |
4.66 | 5% |
| Eberhard | 8/10 | 1294 days | |
4.43 | 5% |
| Adam Pulkrabek | 8/10 | 1301 days | |
4.41 | 5% |
| Olga Barathova | 9/10 | 1301 days | |
4.65 | 5% |
| Melissa Fuster | 7/10 | 1338 days | |
4.17 | 5% |
| renee verwey | 9/10 | 1345 days | 4.57 | 5% | |
| Lea | 8/10 | 1385 days | |
4.28 | 5% |
| Bob Fontaine | 7/10 | 1471 days | 3.96 | 5% | |
| Melvin Spear | 9/10 | 1676 days | 4.01 | 5% | |
| Manuela Opprecht | 10/10 | 1702 days | 3.96 | 5% | |
| Sam Bruylant | 9/10 | 2013 days | |
3.43 | 4% |
| Vera Kreipe | 8/10 | 2033 days | |
3.22 | 4% |
| Jennifer Garner | 10/10 | 2041 days | |
3.38 | 4% |
| Dana | 10/10 | 2046 days | |
3.37 | 4% |
| Frederic Gazzarin | 9/10 | 2052 days | |
3.36 | 4% |
| Patricia Gazzarin | 10/10 | 2052 days | |
3.36 | 4% |
| Ruth Watkin | 9/10 | 2052 days | |
3.36 | 4% |
| GN100 | 8/10 | 2054 days | |
3.19 | 4% |
| Julia Bonisch | 7/10 | 2071 days | |
3.03 | 3% |
| Verena | 9/10 | 2384 days | |
2.79 | 3% |
| Hans | 9/10 | 2473 days | |
2.64 | 3% |
| Anne and John | 9/10 | 2482 days | |
2.63 | 3% |
| Jen Sweeting | 8/10 | 2745 days | |
2.07 | 2% |
| Duncan Mallison | 7/10 | 2764 days | |
1.95 | 2% |
| Richard Sutherland | 5/10 | 2767 days | |
1.73 | 2% |
| Graham Platt | 8/10 | 2767 days | |
2.03 | 2% |
| R E Webb | 9/10 | 2770 days | |
2.13 | 2% |
| Diana Allan | 9/10 | 2774 days | |
2.13 | 2% |
| Lepied | 8/10 | 2774 days | |
2.02 | 2% |
| Graham Swinyard | 7/10 | 2781 days | |
1.92 | 2% |
| CMJ | 8/10 | 2818 days | 1.95 | 2% | |
| scampr | 8/10 | 2818 days | 1.95 | 2% | |
| hendrik king | 7/10 | 2849 days | 1.82 | 2% | |
| Steve Eley | 9/10 | 2858 days | |
1.98 | 2% |
| Willem & Lilian | 8/10 | 2858 days | |
1.88 | 2% |
| Curry | 10/10 | 2861 days | |
1.98 | 2% |
| Herman Plasman | 8/10 | 2864 days | |
1.87 | 2% |
| R & M Willows | 10/10 | 2866 days | |
1.97 | 2% |
| Elke & Charlotte | 7/10 | 2869 days | |
1.79 | 2% |
| Malcolm Jones | 8/10 | 3117 days | |
1.46 | 1% |
| Kimberly St Louis | 10/10 | 3138 days | |
1.5 | 1% |
| Claire Hoyland | 8/10 | 3139 days | |
1.43 | 1% |
| Cara Dungay | 7/10 | 3140 days | |
1.36 | 1% |
| John Allen | 9/10 | 3147 days | |
1.49 | 1% |
| Tanner | 10/10 | 3147 days | |
1.49 | 1% |
| John Simpson | 8/10 | 3149 days | |
1.41 | 1% |
| Nicole | 10/10 | 3244 days | 1.32 | 1% | |
| Haupt | 9/10 | 3479 days | |
0.92 | 1% |
| Herrmann | 9/10 | 3492 days | |
0.9 | 1% |
| Susan & Richard | 10/10 | 3492 days | |
0.9 | 1% |
| Henrik Plichta | 8/10 | 3498 days | |
0.84 | 1% |
| Jess Laver | 9/10 | 3502 days | |
0.88 | 1% |
| Robb Howland | 9/10 | 3513 days | |
0.86 | 1% |
| Bram-Jan M | 8/10 | 3516 days | |
0.81 | 1% |
| Lamb | 9/10 | 3516 days | |
0.85 | 1% |
| Nigel Armstrong | 9/10 | 3528 days | |
0.83 | 1% |
| Ulyate | 7/10 | 3590 days | |
0.66 | 0% |
| Kaye | 8/10 | 3823 days | |
0.31 | 0% |
| Christian Troendle | 9/10 | 3829 days | |
0.32 | 0% |
Adjustments
No Adjustment
Several adjustments to the weighted average may be added to improve relevancy and credibility. Wellington Botanic Gardens does not meet the criteria for any of these adjustments to apply.
Final Ranking Score
91%
The final ranking score once 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.