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Data collected from a random group has no value in predicting actual results?
False
Is it possible to get 3 false positives in a roll... I'm about 7 days late I took 3 hpt and all 3 were positive... so it possible that all 3 tests were false positives.. help?
hi, all positive test are accurate, only negative test are not reliable.but if you had 3 test and all came up positive then yes you are defenately pregnant. best of luck...
What is the purpose of a TPR graph?
A TPR (True Positive Rate) graph, often associated with Receiver Operating Characteristic (ROC) curves, is used to evaluate the performance of a binary classification model. It plots the true positive rate against the false positive rate at various threshold settings, allowing for a visual assessment of the trade-offs between sensitivity and specificity. This helps in selecting the optimal threshold for classifying positive and negative cases based on the desired balance between true positives and false positives.
Is it true or false that The area under a normal distribution curve is always positive even if the z value is negative?
It is true. Because the normal distribution is above the horizontal axis for all values, the area under it is a positive quantity no matter the z value.
In data mining how do you count True Positive False Negative False Positive and True Negative in a confusion matrix with more than two classes?
There is no automated way of calculating the TP,TN,FP,& FN. You have to determing them manually or atleast the TP. What you can do is create a hash table and enter all the true matches or the true positives. You can then call the hash table in a hash map and detemine the accuracy of your output that's what i did for my paper. Hope this helps
What is the rate of false positive for nicotine testing?
The rate of false positive results for nicotine has not been established but false results can occur for a variety of reasons. Diet, medications, environment, and errors in the lab can cause false positive results on nicotine blood tests.
Do online chlamydia tests give false results?
Yes; it is possible, but not likely, to get false results.
Whats wrong with Expired pregnancy test?
Your results can be a false-negative or a false-positive.
Can a kidney infection cause a false positive result in a pregnancy test?
Some infections in the kidney can cause false positive dipstick test results but not false negative.
Why is a two-step TST done?
Check for false-positive results
How many mammogram results show a false-positive result?
"False positive" readings also are possible, and 5% to 10% of mammogram results indicate the need for additional testing, most of which confirm that no cancer is present.
What do you do if pregnancy tests give different results?
Usually different results from pregnancy tests come from using the test too early. Taking the test too soon will cause a test to read a false negative. Some HPT are more sensitive than others, they will read positive sooner than a less sensitive test. False negative results are very common from using the test too early, false positive is almost unheard of unless the test kit was damaged somehow. Always check the kit before using it, including the expiration date and follow directions.
What can be done to prove a false positive is wrong?
If you mean how can you prove that the drug test results were false, ask for a retest.
Is lyme disease an asymptomatic illness?
No, it has symptoms. If no symptoms and a positive test, it is likely a false positive.
True or false a person with little axiaty will likely have positive emotional well being?
I believe the answer is false.
What is the significance of the false positive rate in a bloom filter and how does it impact the accuracy of the filter's results?
The false positive rate in a Bloom filter is important because it measures the likelihood of the filter incorrectly indicating that an item is present when it is not. A higher false positive rate means there is a greater chance of getting incorrect results from the filter, reducing its accuracy.
Is a urine test as effective as a culture when diagnosing chlamydia?
A urine test is much more sensitive and a bit less specific than a culture for diagnosing chlamydia. In other words, it's much less likely to have false negative results, and a little more likely to have a false positive result.
