Hi, 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 Bargain Rental Cars.
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.
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Bargain Rental Cars
Valid Reviews
159 Valid Reviews
The Bargain Rental Cars experience has a total of 172 reviews. There are 159 valid reviews that are included when calculating the ranking score and 13 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 159 valid reviews, the experience has 3 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 159 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 105 |
|
66% |
| 9/10 | 27 |
|
17% |
| 8/10 | 6 |
|
4% |
| 7/10 | 0 |
|
0% |
| 6/10 | 1 |
|
1% |
| 5/10 | 1 |
|
1% |
| 4/10 | 1 |
|
1% |
| 3/10 | 1 |
|
1% |
| 2/10 | 2 |
|
1% |
| 1/10 | 15 |
|
9% |
86.67% Average
The raw data average (mean) for all the Bargain Rental Cars valid reviews is 86.67% and is based on 159 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
91.41%
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 |
|---|---|---|---|
| Connor McCluskey | 2/10 | 469 days | 60% |
| Harry Newitt | 8/10 | 775 days | 98% |
| Christine UK | 10/10 | 775 days | 100% |
| Ralene Mckenzie | 1/10 | 775 days | 40% |
| Steve | 3/10 | 834 days | 50% |
| Christian | 10/10 | 895 days | 83% |
| Jonathan L | 10/10 | 895 days | 83% |
| Jamie Blackmoore | 1/10 | 895 days | 33% |
| sockets | 4/10 | 956 days | 47% |
| Chris | 10/10 | 1018 days | 64% |
| Harold | 10/10 | 1048 days | 60% |
| Bee S | 10/10 | 1109 days | 52% |
| Sharon | 9/10 | 1109 days | 51% |
| Gythlian Loveday | 8/10 | 1140 days | 47% |
| Brenda | 10/10 | 1140 days | 48% |
| Gav | 10/10 | 1140 days | 48% |
| Helen F | 10/10 | 1140 days | 48% |
| Patrick | 10/10 | 1140 days | 48% |
| RSH | 10/10 | 1140 days | 48% |
| Mike | 10/10 | 1168 days | 45% |
| Huia | 10/10 | 1168 days | 45% |
| Craig | 9/10 | 1168 days | 44% |
| Mei | 10/10 | 1168 days | 45% |
| Linda | 10/10 | 1168 days | 45% |
| Dinah | 10/10 | 1168 days | 45% |
| Brett | 10/10 | 1168 days | 45% |
| Matt | 10/10 | 1199 days | 41% |
| Lute | 10/10 | 1199 days | 41% |
| Kathy | 10/10 | 1199 days | 41% |
| Celia Servo | 10/10 | 1199 days | 41% |
| Jonathan James Bringins | 10/10 | 1199 days | 41% |
| Howard | 10/10 | 1199 days | 41% |
| Karl Buchanan | 10/10 | 1199 days | 41% |
| Dan | 10/10 | 1199 days | 41% |
| Martin | 9/10 | 1230 days | 38% |
| Ian | 9/10 | 1230 days | 38% |
| Peggy Davis | 9/10 | 1230 days | 38% |
| Adam B | 10/10 | 1230 days | 38% |
| Carolyn | 10/10 | 1230 days | 38% |
| Peter | 10/10 | 1260 days | 35% |
| Janet | 10/10 | 1291 days | 32% |
| Sarah | 10/10 | 1291 days | 32% |
| Phil Robinson | 9/10 | 1291 days | 32% |
| Paul | 10/10 | 1291 days | 32% |
| Chris | 9/10 | 1291 days | 32% |
| Corrin | 10/10 | 1321 days | 29% |
| Sue | 10/10 | 1352 days | 27% |
| Julie | 10/10 | 1352 days | 27% |
| Paul B | 10/10 | 1352 days | 27% |
| Gary | 10/10 | 1352 days | 27% |
| Andrea Calderon | 1/10 | 1352 days | 10% |
| Saiyad Ali | 10/10 | 1383 days | 24% |
| Kim | 9/10 | 1383 days | 24% |
| Ray Woodfield | 10/10 | 1383 days | 24% |
| harry | 10/10 | 1383 days | 24% |
| Jacob John | 10/10 | 1383 days | 24% |
| James | 9/10 | 1383 days | 24% |
| Darryl | 10/10 | 1383 days | 24% |
| Shirlieanne | 10/10 | 1383 days | 24% |
| Marion | 10/10 | 1383 days | 24% |
| Pete | 10/10 | 1413 days | 22% |
| Mandy | 10/10 | 1413 days | 22% |
| Justin | 10/10 | 1413 days | 22% |
| Dale Leeson | 10/10 | 1413 days | 22% |
| Doug Hill | 10/10 | 1413 days | 22% |
| Kari | 10/10 | 1413 days | 22% |
| Jill Knight | 9/10 | 1413 days | 22% |
| Julie Mills | 10/10 | 1413 days | 22% |
| P & M Wilkins | 10/10 | 1413 days | 22% |
| Shelley Gibson | 10/10 | 1413 days | 22% |
| WJD | 10/10 | 1413 days | 22% |
| Paul | 10/10 | 1413 days | 22% |
| Fred | 10/10 | 1413 days | 22% |
| Josie | 10/10 | 1413 days | 22% |
| Sharon Boyd | 10/10 | 1413 days | 22% |
| Shani | 10/10 | 1444 days | 20% |
| Christine McIvor | 10/10 | 1444 days | 20% |
| Narelle Hutton | 10/10 | 1444 days | 20% |
| Grant Smith | 10/10 | 1444 days | 20% |
| Catherine Geor | 10/10 | 1474 days | 18% |
| dd | 10/10 | 1474 days | 18% |
| Bevan | 9/10 | 1474 days | 18% |
| Mike Wilson | 10/10 | 1474 days | 18% |
| Nadhirah | 10/10 | 1474 days | 18% |
| BRUCE WILSON | 10/10 | 1474 days | 18% |
| Chris | 9/10 | 1474 days | 18% |
| Alex | 10/10 | 1474 days | 18% |
| Emma Utatao | 9/10 | 1474 days | 18% |
| Marion | 1/10 | 1474 days | 7% |
| Trevor Cain | 9/10 | 1474 days | 18% |
| Greg | 10/10 | 1474 days | 18% |
| Patrick N. | 9/10 | 1505 days | 16% |
| Jude Collins | 10/10 | 1505 days | 16% |
| Colin campbell | 10/10 | 1505 days | 16% |
| Febarosa | 10/10 | 1533 days | 14% |
| Jerome Sutton | 10/10 | 1533 days | 14% |
| W Donovan | 9/10 | 1595 days | 12% |
| Yukio | 1/10 | 1595 days | 4% |
| Chris | 10/10 | 1625 days | 11% |
| Sandy Hodge | 10/10 | 1625 days | 11% |
| Jeanette | 10/10 | 1656 days | 10% |
| glenda | 8/10 | 1656 days | 9% |
| Geoff Willmott | 10/10 | 1656 days | 10% |
| Krunal | 10/10 | 1656 days | 10% |
| Jennifer | 10/10 | 1656 days | 10% |
| Tamara | 10/10 | 1656 days | 10% |
| Shea Malloy | 9/10 | 1686 days | 9% |
| Doreen | 10/10 | 1717 days | 8% |
| chaoli jones | 10/10 | 1748 days | 8% |
| David | 10/10 | 1748 days | 8% |
| Lindsay Collins | 9/10 | 1748 days | 7% |
| Ema | 10/10 | 1748 days | 8% |
| Sophie R. | 10/10 | 1748 days | 8% |
| Katherine | 10/10 | 1748 days | 8% |
| Constance Sun | 1/10 | 1899 days | 2% |
| Stevie Reid | 10/10 | 1899 days | 7% |
| Fred | 9/10 | 1899 days | 7% |
| Cam | 1/10 | 1899 days | 2% |
| Mabyn Carmichael | 8/10 | 1930 days | 7% |
| Ali Millar | 2/10 | 1961 days | 3% |
| Pete UK | 9/10 | 2236 days | 6% |
| Ms Harris | 1/10 | 2236 days | 2% |
| Tyler | 1/10 | 2264 days | 2% |
| Kate | 1/10 | 2326 days | 2% |
| Terry Smith | 1/10 | 2417 days | 2% |
| Qassim Kaisi | 10/10 | 2540 days | 5% |
| VAINE TUKURANGI TOKI | 10/10 | 2540 days | 5% |
| S.Singh | 10/10 | 2570 days | 5% |
| Simba | 9/10 | 2570 days | 5% |
| Jim | 9/10 | 2570 days | 5% |
| Kathy | 10/10 | 2570 days | 5% |
| StevieB | 10/10 | 2601 days | 5% |
| Kirstie & Aaron | 10/10 | 2601 days | 5% |
| Pieri | 10/10 | 2601 days | 5% |
| Nick | 10/10 | 2601 days | 5% |
| Rhiannon | 9/10 | 2601 days | 5% |
| kinjalkumar | 10/10 | 2629 days | 5% |
| Dave Watson | 10/10 | 2629 days | 5% |
| Kishore Lal | 10/10 | 2721 days | 4% |
| Kevin West | 10/10 | 2752 days | 4% |
| Jacky McLaren | 9/10 | 2782 days | 4% |
| Jason Smith | 10/10 | 2782 days | 4% |
| Tine | 10/10 | 2874 days | 4% |
| Chris Skeen | 10/10 | 2905 days | 4% |
| Kathryn Algar | 9/10 | 2966 days | 4% |
| Dean Godfrey | 10/10 | 2966 days | 4% |
| Ehds Reyes | 9/10 | 2994 days | 3% |
| Martin White | 9/10 | 3025 days | 3% |
| Niyaz Noor | 1/10 | 3025 days | 1% |
| Alison Stewart | 6/10 | 3025 days | 3% |
| Graeme Worsley | 10/10 | 3025 days | 3% |
| Jun c | 10/10 | 3056 days | 3% |
| Franceska Banga | 1/10 | 3300 days | 1% |
| mathew sullivan | 1/10 | 3787 days | 0% |
| Sue Cockrell | 10/10 | 4121 days | 0% |
| Sachin | 1/10 | 4427 days | 0% |
| Danlin Yang | 8/10 | 5880 days | 0% |
| Doll | 5/10 | 5929 days | 0% |
| Anne Mainwaring | 8/10 | 6276 days | 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 Bargain Rental Cars experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-6.48% Adjustment
Recent reviews reflect the experience as it currently operates. This means it's important to get fresh reviews. Some experiences discovered they could get a few good reviews and then, resting on their laurels, discourage any further reviews. This adjustment stimulates experiences to be positively involved in the review generating process and discourages them from manipulating the ranking system in this manner.
What constitutes a recent review is based on the how old it is, what type of experience it is applied to and and what time of year it currently is. Due to the seasonal nature of many businesses, what is considered recent is dynamically adjusted throughout the year.
There may be an adjustment if this experience hasn't received enough reviews within the last 65 days. The Bargain Rental Cars experience has 0 recent rankings. Adjustments are according to the following table:
| Recent Reviews | Adjustment |
|---|---|
| 0 | -3.00% |
| 1 | -2.63% |
| 2 | -1.50% |
| 3 | -0.38% |
| 4 | -0.00% |
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 Bargain Rental Cars experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -3.43% |
| 198 | -3.45% |
| 199 | -3.47% |
| 200 | -3.48% |
| 201 | -3.50% |
| 202 | -3.52% |
| 203 | -3.54% |
| … | … |
Balancing Adjustment
1.84% Adjustment
Every experience's review score is adjusted to balance out the disproportional number of negative reviews that are contributed.
You won't be surprised to learn that disgruntled customers are more likely to leave a review than happy ones. They are motivated to share their experience and warn others. We consider this a good thing and it's why reading the reviews is important. However we've learned it can misrepresent the experience in a more overall sense.
We apply a balancing adjustment to counteract this effect and ensure the ranking score is a more fair representation of the experience. This adjustment is applied equally to all experiences.
Final Ranking Score
87%
The final ranking score once any adjustments, ratings, and rounding has been applied. This value is recalculated each day and a short rolling average is applied. Therefore it may not be precisely accurate based on the other values presented.