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 Portobello Village Tourist Park.

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

Portobello Village Tourist Park

Valid Reviews

84 Valid Reviews

The Portobello Village Tourist Park experience has a total of 84 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 84 valid reviews:

Rating Count Percentage
10/10 10
12%
9/10 16
19%
8/10 27
32%
7/10 15
18%
6/10 10
12%
5/10 3
4%
4/10 0
0%
3/10 2
2%
2/10 0
0%
1/10 1
1%

77.02% Average

The raw data average (mean) for all the Portobello Village Tourist Park valid reviews is 77.02% and is based on 84 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

30 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 84 valid reviews, the experience has 30 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 30 face-to-face reviews:

Rating Count Percentage
10/10 6
20%
9/10 7
23%
8/10 9
30%
7/10 3
10%
6/10 3
10%
5/10 1
3%
4/10 0
0%
3/10 1
3%
2/10 0
0%
1/10 0
0%

80.67% Average

The raw data average (mean) for all the Portobello Village Tourist Park face-to-face reviews is 80.67% and is based on 30 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.

Weighted Average

81.26%

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
Ana and Rob 8/10 82 days 93.99 96%
Sandy 9/10 113 days 97.98 100%
Maria 6/10 235 days 75.74 77%
M&P 8/10 264 days 84.51 86%
Tom Z. 9/10 295 days 86.21 88%
Tea 8/10 326 days 79.0 81%
Sue W 8/10 356 days 75.92 77%
Maryline 9/10 570 days 48.68 50%
Esa 7/10 601 days 39.74 41%
Vincent 9/10 601 days 43.67 45%
TP&MM 8/10 601 days 41.49 42%
Chantal 10/10 691 days 30.86 32%
James & Kerry 9/10 721 days 27.17 28%
Melinda Pyke 8/10 782 days 19.5 20%
Grizzly Girl 8/10 782 days 19.5 20%
Esteban 8/10 935 days 8.6 9%
Bridget Cumming 7/10 973 days 6.7 7%
M A Pelton 10/10 976 days 7.24 7%
UK 50-something couple 8/10 994 days 6.29 6%
Suzanne Wijsman 9/10 1002 days 6.37 7%
Sandra Jeffers 6/10 1102 days 4.14 4%
Howard Morris 8/10 1118 days 4.71 5%
Geoff Steele 7/10 1146 days 4.46 5%
Matthias Wohlgemuth 7/10 1373 days 4.05 4%
sara hoeflaken 8/10 1387 days 4.21 4%
Roeland Driessen 8/10 1389 days 4.2 4%
Cyrielle Vallat 6/10 1445 days 3.58 4%
Susan H 10/10 1484 days 4.24 4%
Ruth Hernandez 8/10 1486 days 4.02 4%
Kate 8/10 1619 days 3.78 4%
Joanna du Toit 7/10 1776 days 3.34 3%
Yvonne Wu 8/10 2000 days 3.07 3%
Soizic Vandermeersch 7/10 2023 days 2.9 3%
Rossco 6/10 2030 days 2.63 3%
Erica b 7/10 2030 days 2.88 3%
Larry Dashiell 9/10 2061 days 3.11 3%
June Harris 6/10 2120 days 2.49 3%
Matthias Thorn 7/10 2120 days 2.72 3%
Richard 8/10 2305 days 2.5 3%
travelscot 9/10 2366 days 2.51 3%
Patricia Revel 9/10 2397 days true 2.45 3%
Katarina 10/10 2398 days true 2.45 3%
Gillian Scott 7/10 2425 days 2.18 2%
Julie Robinson 7/10 2442 days true 2.15 2%
Julien de la lande 6/10 2468 days true 1.92 2%
Wouter Bosch 7/10 2468 days true 2.1 2%
Aude Moulin 5/10 2468 days true 1.87 2%
Maya Bakker-deDreu 8/10 2476 days true 2.18 2%
JoMary Smith 8/10 2486 days 2.16 2%
2 tent travelers from Montreal 5/10 2517 days 1.8 2%
Grantygrant 7/10 2761 days 1.58 2%
Bertiethebus 8/10 2792 days 1.6 2%
Kadyan 6/10 2792 days 1.39 1%
Malgorzata 6/10 2796 days true 1.39 1%
Moni Sangoi 7/10 2820 days 1.48 2%
Puma17 7/10 2851 days 1.42 1%
David 5/10 2851 days 1.27 1%
Auger 10/10 2889 days true 1.49 2%
Auger 10/10 2889 days true 1.49 2%
Mike & Jennie 8/10 3168 days true 0.9 1%
Balonno 3/10 3217 days 0.65 1%
lydzb 6/10 3248 days 0.65 1%
ncopas 1/10 3248 days 0.57 1%
Annie Breton 6/10 3506 days true 0.23 0%
Robin Smith 10/10 3509 days true 0.28 0%
Jim & Rebecca 9/10 3515 days true 0.26 0%
Tony & Marina Greenaway 8/10 3516 days true 0.25 0%
Chris 8/10 3517 days true 0.25 0%
LandJ 9/10 3523 days 0.25 0%
Manfred & Gabi 9/10 3534 days true 0.23 0%
Frank Lehe 8/10 3536 days true 0.21 0%
Marieke and Bert-Jan 8/10 3539 days true 0.21 0%
Roy Seymour 8/10 3542 days true 0.2 0%
Sabine 9/10 3801 days true 0.0 0%
Anna 9/10 3806 days true 0.0 0%
Siebels Wilke 8/10 3820 days true 0.0 0%
Peter Aerborg 9/10 3824 days true 0.0 0%
Peter Brown 10/10 3884 days true 0.0 0%
John Cox 8/10 3894 days true 0.0 0%
Helmet Paula 3/10 3901 days true 0.0 0%
Lorena 10/10 3916 days 0.0 0%
Alexis De Wilde 9/10 3988 days true 0.0 0%
Decuq 7/10 3989 days true 0.0 0%
Vivien Williams 10/10 4240 days true 0.0 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 Portobello Village Tourist Park experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-1.06% Adjustment

There may be an adjustment if this experience hasn't received any reviews within the last 55 days. However the Portobello Village Tourist Park 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 Portobello Village Tourist Park experience has been adjusted for 57 days. Adjustments are according to the following table.

Days Adjustment
54 -1.00%
55 -1.02%
56 -1.04%
57 -1.06%
58 -1.08%
59 -1.10%
60 -1.11%

Final Ranking Score

80%

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.