Sentence examples similar to a non-positive sample from inspiring English sources

Considering all non-positive samples as negative samples not only can cause a high imbalance between both classes, generating serious model fitting problems [ 64], but because many genes most probably have functions yet not annotated, this procedure does not minimize the chance of including false negatives in the training set.

The negative samples are then randomly selected from all the non-positive samples.

Unfortunately, no diagnostic tests are available to firmly confirm or discard the diagnosis of IC in the absence of positive blood cultures or non-contaminated positive sample from a sterile site.

However, in 2013, this strategy was modified: all H5-positive rRT-PCR samples and 10% of the non-H5 influenza A-positive samples were inoculated into embryonated eggs.

In each PCR reaction a known BRSV positive sample and a non-template control was run with the samples as controls.

The negative category included the signals generated by the 11 probes in all true negative samples at each site plus the signals below 350 MFI generated by the 10 non-positive probes in all true-positive samples at each site.

The analysis of non-JP2 was not clear due to the small number of non-JP2 positive samples (n = 10, data not shown).

Additionally, we observe a significant positive association for firm size in the full sample, whereas we observe a non-significant positive association in the propensity score matched sample.

The methods in both categories discussed above all require a non-trivial set of positive samples of known miRNAs.

Additionally one individual provided a fasting as well as non-fasting blood sample, which served as a non-fasting positive control.

(a) positive samples (vehicles).