Sentences with phrase «give false positives»

Now, I'm by no means saying that price action doesn't give false positives.
As with every stock and index prediction tool, sometimes they give false positives.
Most would say that if the device advertises 99 percent accuracy, then there is a 99 percent chance that the device is correctly discerning a diamond, and a 1 percent chance that it has given a false positive reading.
Unless you think the amounts of the decay element are varying just the right amount to give a false positive to highly repeatable tests and calibrations from samples all over the world (and beyond with meteorites), then you are wrong.
These devices are only checking for Lead Based Paint (i.e. > 0.5 % lead) and often give a false positive.
With a 99.4 % accuracy rate, the odds are low that your amniocentesis will give you a false positive or negative for a chromosome disorder.
Though they can't tell for sure from the data, the researchers say this suggest that patients who had the thallium scans were sent for further testing using the invasive angiography technique because the initial scan gave a false positive for serious blockage.
While there are a number of portable tests for cocaine commercially available, these are mainly based on antibody reagents, which can not offer quantitative data and — since the cocaine antibody can bind to something that is not cocaine — can give false positive results.
Perhaps the tests were giving false positives, or picking up floating DNA from dead parasites?
«Assuming that the government scientists have used the same technique as Chapella and Quist, they are using a fearsomely sensitive technique which is very prone to giving false positive results.
This provides further evidence since it is unlikely that another protein of exactly the same size will give a false positive test.
«We don't really know the active ingredients; there can actually be something in a supplement that gives false positive or false negative results.»
If you're stressed about it or have a needle phobia that can give you a false positive result.
Apparently Vit C intake or dehydration could give a false positive of ketones in urine.
It would seem to me that since the spark timing is being retarded, that the knock sensor must either be giving false positives, OR something else could be generating a noise that sounds like a ping, but really isn't.
They try to drive up the price of the shares by giving false positive or overly optimistic statements about a company's activities or capacity.
This is because the test may give a false positive result if the kitten has been exposed to FIV through the mother, but has not caught the disease.
It is a sensitive test, and can occasionally give false positive reports.
This test can give false positive and false negative results.
This Machine also has credibility problems as it has a 20 % margin of error, and it is susceptible to numerous interferents that can give false positive results.
An antivirus app is only as effective as its detection rate — in other words, you want it to spot all malware while giving no false positives.
In all my testing, it never once gave a false positive of another person being able to log in to my phone with it.
Panda Free never gave me any false positives.

Not exact matches

As with all technical indicators, an overbought or oversold indicator may be followed by higher highs or lower lows, giving the impression of a false negative or false positive.
After two - and - a-half years of giving income investors false hopes of a recovery, the energy infrastructure sector is now ready to stage a sustained positive price trend.
I am not suggesting it is super-sensitive, but it would give far fewer false positives than the SCAT3 or full BESS.
I have six children and after the third, I gave up on the moms groups, and play dates, etc. because it just seemed like so much work to be superficial to try to be positive, and do my hair, and try to match my clothes (let alone put on a bra) to try to keep up with some false image.
Because only about 16 in every 100,000 people end their own lives, a test with such a level of accuracy will give many false positive and false negative results if used on the general population.
Given the lack of mortality benefit of screening, and the moderate to substantial harms that could result from false - positive screeningtest results and subsequent surgery, the USPSTF concludes with moderate certainty that the harms of screening for ovarian cancer outweigh the benefit, and the net balance of the benefit and harms of screening is negative.
All types of screening give rise to false positives — and, tragically, false negatives as well.
Dr. Hodgson cautions that «false positives» from MRI screening are common given that this scanning method is so sensitive it detects many changes in breast tissue, most of which are not cancer.
So we're thinking very carefully about the issues that could trip us up and give a false - positive signal, and the good news is by identifying them, we can create a good path to avoid the issues false positives could cause.
NASA has allowed the team to keep another 400 candidates under wraps to give the team a chance to follow - up on its own and minimize the number of false positives.
However, given the large number of individuals that contributed to each RNA pool, it is unlikely that the genes for which we do detect differential expression represent false positives arising from high among - individual variance.
Given that combining different summary statistics is likely to reduce the number of false positives, for the remainder of the analysis we defined highly differentiated regions as the 102 genomic intervals that show significant differentiation for both metrics.
But he argued against screening of newborns before they reach the age of 1 year, given the high likelihood for false positives in the first year of life.
We prefer this means of testing as blood tests will give many false positives in the presence of a leaky gut and scratch tests are useless for food reactions.
Confirming ovulation gives you added peace of mind and helps avoid the emotional roller coaster of a false positive on ovulation prediction.
To give you an idea of effectiveness, last month Scamalytics eradicated 97 % of scammers with a 0.6 % false positive rate, saving us time and protecting our brands.»
[10] They find that given the correlations we typically see among different measures of teacher performance, there is likely to be a significant number of false positives and negatives: teachers falling into one performance category according to one measure and into a different category according to another measure.
A type I error (false positive) occurs when the combination of tests given includes so much error that the combined test result is actually wrong.
Those momentum indicators give off a lot of false positives.
For the new dog owner, or for more traditional trainers trying to cross over to remove positive punishment from their toolbox; it can give a false impression that you just reward «good» behaviour, leaving them in a quandary regarding «bad» behaviour that they want to diminish.
However, dogs with less than 5 adult worms may not have enough antigen to produce a positive test result, giving a false negative result.
Uncontrolled or poorly controlled diabetes (on rare occasions, prolonged periods of stress keep your pet's blood glucose levels high enough to give a false - positive fructosamine result for diabetes).
Also, McI was perfectly happy with Wegman's plagiarism of his false «Mannian stats always give positive hockey sticks» analysis, and Revkin seems blind to this.
It appears this is lacking in IPCC studies and counter positive and negative trends giving false notions or predictions.
Instead, he fuels the game by making calls for the public to buy their stocks, when he's fully capable of recognizing when they're «fomenting,» or drumming up interest in their stock by giving a false impression of positive activity.
The Wired article gives several examples of how crowdhacking can be used to, for example, obtain a false «positive» seller ranking on sites like eBay that can then be used to defraud consumers.
The parent who has undermined the relationship has given the children a false view of the other parent, and only positive, first - hand experiences with the vilified parent can overcome this view.
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