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.

Nick Morrison's avatar

Nick Morrison

Rankers owner

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

88.37%

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
Mike Fricker 10/10 1153 days 100%
Helna Saumanova 10/10 1781 days 75%
Richard 8/10 1829 days 69%
Sabrina and Hannes 9/10 1848 days 72%
Selma Franke 9/10 1852 days 72%
Su Jung Han 10/10 2072 days 63%
Fanny 9/10 2073 days 63%
Hector Sharp 7/10 2073 days 57%
Andre 10/10 2089 days 63%
Sybille 10/10 2089 days 63%
Marine 8/10 2090 days 59%
Paul Gaylon 10/10 2093 days 62%
Eberhard 8/10 2094 days 59%
Adam Pulkrabek 8/10 2101 days 59%
Olga Barathova 9/10 2101 days 62%
Melissa Fuster 7/10 2138 days 55%
renee verwey 9/10 2145 days 60%
Lea 8/10 2185 days 56%
Bob Fontaine 7/10 2271 days 50%
Melvin Spear 9/10 2476 days 47%
Manuela Opprecht 10/10 2502 days 46%
Sam Bruylant 9/10 2813 days 33%
Vera Kreipe 8/10 2833 days 31%
Jennifer Garner 10/10 2841 days 32%
Dana 10/10 2846 days 32%
Frederic Gazzarin 9/10 2852 days 32%
Patricia Gazzarin 10/10 2852 days 32%
Ruth Watkin 9/10 2852 days 32%
GN100 8/10 2854 days 30%
Julia Bonisch 7/10 2871 days 28%
Verena 9/10 3184 days 19%
Hans 9/10 3273 days 15%
Anne and John 9/10 3282 days 15%
Jen Sweeting 8/10 3545 days 4%
Duncan Mallison 7/10 3564 days 3%
Richard Sutherland 5/10 3567 days 3%
Graham Platt 8/10 3567 days 3%
R E Webb 9/10 3570 days 3%
Diana Allan 9/10 3574 days 3%
Lepied 8/10 3574 days 3%
Graham Swinyard 7/10 3581 days 2%
CMJ 8/10 3618 days 1%
scampr 8/10 3618 days 1%
hendrik king 7/10 3649 days 0%
Steve Eley 9/10 3658 days 20%
Willem & Lilian 8/10 3658 days 19%
Curry 10/10 3661 days 20%
Herman Plasman 8/10 3664 days 19%
R & M Willows 10/10 3666 days 20%
Elke & Charlotte 7/10 3669 days 19%
Malcolm Jones 8/10 3917 days 19%
Kimberly St Louis 10/10 3938 days 20%
Claire Hoyland 8/10 3939 days 19%
Cara Dungay 7/10 3940 days 19%
John Allen 9/10 3947 days 20%
Tanner 10/10 3947 days 20%
John Simpson 8/10 3949 days 19%
Nicole 10/10 4044 days 20%
Haupt 9/10 4279 days 20%
Herrmann 9/10 4292 days 20%
Susan & Richard 10/10 4292 days 20%
Henrik Plichta 8/10 4298 days 19%
Jess Laver 9/10 4302 days 20%
Robb Howland 9/10 4313 days 20%
Bram-Jan M 8/10 4316 days 19%
Lamb 9/10 4316 days 20%
Nigel Armstrong 9/10 4328 days 20%
Ulyate 7/10 4390 days 19%
Kaye 8/10 4623 days 19%
Christian Troendle 9/10 4629 days 20%

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

88%

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.