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 Bularangi Harley Tours of New Zealand.

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

Bularangi Harley Tours of New Zealand

Valid Reviews

155 Valid Reviews

The Bularangi Harley Tours of New Zealand experience has a total of 155 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.

Within these 155 valid reviews, the experience has 2 face-to-face reviews collected during interviews by our team.

Below is the distribution of ratings for the 155 valid reviews:

Rating Count Percentage
10/10 137
88%
9/10 16
10%
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%

98.71% Average

The raw data average (mean) for all the Bularangi Harley Tours of New Zealand valid reviews is 98.71% and is based on 155 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.

Weighted Average

98.69%

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
Werner Staab 10/10 2159 days 100%
Bruce B 10/10 2187 days 98%
barry aling 10/10 2187 days 98%
luiz montanari 10/10 2218 days 96%
EMMANUEL DIAS DA SILVA 10/10 2249 days 94%
Philip Gattey 9/10 2249 days 94%
Ch. Verling 10/10 2279 days 92%
Ulises Guevara 10/10 2279 days 92%
Dusty 10/10 2279 days 92%
Sandra Downie 10/10 2583 days 72%
Gisle Forseth 9/10 2614 days 69%
Asmawi Wahab 10/10 2889 days 51%
Shelli Leverty 10/10 2889 days 51%
Doug Hamerton 10/10 2889 days 51%
Becky Ivers 10/10 2917 days 49%
Mark Stanford 10/10 2917 days 49%
Lesley barber 10/10 2948 days 47%
Barryatkinson 10/10 2948 days 47%
DonKendra1 10/10 3040 days 41%
Bushy 10/10 3193 days 31%
Calypso 10/10 3223 days 29%
yromanec 10/10 3223 days 29%
ladyharley 10/10 3254 days 26%
ChrisW 10/10 3254 days 26%
oldbiker 10/10 3254 days 26%
TheHoon 10/10 3254 days 26%
Banana 10/10 3283 days 25%
monakeehn 10/10 3283 days 25%
fdjavid 10/10 3283 days 25%
websterau 9/10 3283 days 25%
Dumyati 10/10 3283 days 25%
holidaze28 10/10 3314 days 22%
michaelclout 10/10 3314 days 22%
ZeroID 10/10 3314 days 22%
donald 10/10 3314 days 22%
mulhooligan 10/10 3314 days 22%
Stanton 10/10 3314 days 22%
kakapo66 10/10 3345 days 20%
HughConnor 10/10 3345 days 20%
ruudie012 10/10 3345 days 20%
lynne_florence 10/10 3345 days 20%
johnnyr 10/10 3345 days 20%
pro213 10/10 3345 days 20%
chrissywatson1711 10/10 3345 days 20%
pahoia 10/10 3345 days 20%
Iand 10/10 3345 days 20%
jillowen 9/10 3345 days 20%
AbeB 10/10 3375 days 18%
mikereid 10/10 3375 days 18%
Cmax 10/10 3406 days 16%
gnh2011 9/10 3406 days 16%
taylaw 10/10 3406 days 16%
mariarivas 10/10 3406 days 16%
flippy0 10/10 3436 days 14%
squids12 10/10 3528 days 8%
Rosco 9/10 3589 days 4%
blahutp 9/10 3589 days 4%
mrkunz 10/10 3589 days 4%
clouddreamer 10/10 3589 days 4%
May 10/10 3589 days 4%
mitchaoc 10/10 3620 days 2%
Welshy01 10/10 3620 days 2%
pamc 10/10 3620 days 2%
zaphood 10/10 3620 days 2%
cruisequeens 10/10 3648 days 0%
adriennevergos 10/10 3648 days 0%
damondosterhus 10/10 3648 days 0%
janetc260 10/10 3648 days 0%
marpet 10/10 3679 days 34%
roofie 10/10 3679 days 34%
musicman 10/10 3679 days 34%
Merran 10/10 3679 days 34%
traceymarcus1 10/10 3679 days 34%
Budley1 10/10 3710 days 34%
vjr 10/10 3710 days 34%
DukeMatthews 10/10 3710 days 34%
hellsknipe356 10/10 3771 days 34%
KDStorey 10/10 3771 days 34%
robinson 10/10 3771 days 34%
JoeLeeKnipe 10/10 3771 days 34%
lstenhouse 10/10 3801 days 34%
doylouys 10/10 3832 days 34%
Jorgy 10/10 3863 days 34%
Phil Thurbon 9/10 3954 days 34%
awolnow 10/10 3985 days 34%
spb97 9/10 3985 days 34%
stealhorsecowboy 10/10 3985 days 34%
smithy55 9/10 3985 days 34%
fitbear 9/10 3985 days 34%
zebradiver 8/10 3985 days 32%
cowboyjohn 10/10 4013 days 34%
wahteh 10/10 4013 days 34%
tommarbru 10/10 4013 days 34%
Mathias 10/10 4013 days 34%
JParkinson 10/10 4013 days 34%
sinead drummy 10/10 4044 days 34%
philip andrew-artha 10/10 4044 days 34%
bmaier 10/10 4044 days 34%
alongthorn 10/10 4044 days 34%
KENMCD 10/10 4044 days 34%
kimreed 10/10 4075 days 34%
joshe051 10/10 4075 days 34%
Travelling_Kiwi 10/10 4075 days 34%
John Stevens 10/10 4105 days 34%
big_rog 10/10 4105 days 34%
HairyHaggis 10/10 4105 days 34%
Mary Long 10/10 4105 days 34%
stegall 10/10 4105 days 34%
Maureen Lee 10/10 4136 days 34%
monkey 10/10 4136 days 34%
renaud bonnet 10/10 4166 days 34%
George Wheatley 10/10 4289 days 34%
eunie 10/10 4319 days 34%
antoinette 10/10 4321 days 34%
Bananna 10/10 4330 days 34%
Anne Cathala 10/10 4332 days 34%
gordy838 9/10 4340 days 34%
Janet May 9/10 4344 days 34%
Chuffy57 10/10 4345 days 34%
Tom Speed 10/10 4350 days 34%
Brenda 10/10 4360 days 34%
Jay & N 10/10 4371 days 20%
MoJo 10/10 4378 days 34%
Tomasz Trawniczek 10/10 4378 days 34%
David Lewis 9/10 4393 days 34%
andy Cant 10/10 4394 days 34%
Catherine Robinson 10/10 4396 days 34%
Samantha Fenton 10/10 4401 days 34%
Judy Macdonald 10/10 4405 days 34%
Allison 10/10 4405 days 20%
Gordon Lawrence 10/10 4438 days 34%
ivkemp 10/10 4447 days 34%
shonell 10/10 4469 days 34%
Aimee Marsh 10/10 4471 days 34%
Kathy Reily 10/10 4474 days 34%
CaptainObvious 10/10 4482 days 34%
Darren Rye 10/10 4487 days 34%
Dolphin 10/10 4494 days 34%
Robin 10/10 4502 days 34%
suedavies 10/10 4503 days 34%
Claire O'Donoghue 10/10 4509 days 34%
Mike 10/10 4509 days 34%
barbara hunn 8/10 4514 days 32%
Mike Morgan 10/10 4515 days 34%
Matt Cross 10/10 4517 days 34%
Denelle Adams 10/10 4521 days 34%
Belinda Keys 10/10 4523 days 34%
Tom Gordon 9/10 4523 days 34%
ashos 10/10 4523 days 34%
hottie 9/10 4523 days 34%
Karen Gibson 10/10 4523 days 34%
Michelle Mulgrew 10/10 4530 days 34%
thehammer 10/10 4544 days 34%
Ele 10/10 4545 days 34%
Bridget Cummins 10/10 4551 days 34%

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 Bularangi Harley Tours of New Zealand experience has plenty of reviews and does not meet the criteria for any adjustment.

Recent Reviews Adjustment

-4.13% Adjustment

There may be an adjustment if this experience hasn't received any reviews within the last 48 days. However the Bularangi Harley Tours of New Zealand 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 Bularangi Harley Tours of New Zealand experience has been adjusted for 200 days. Adjustments are according to the following table.

Days Adjustment
197 -4.07%
198 -4.09%
199 -4.11%
200 -4.13%
201 -4.15%
202 -4.17%
203 -4.19%

Final Ranking Score

95%

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.