Báo cáo y học: "Measuring the accuracy of genome-size multiple alignments" pot

... H k are the Karlin-Altschul parameters for the null hypothesis case k. For any 0 ≤ r ≤ m, define [15]. Then, for the null hypothesis case k, the p-value of sc' k,S in context W is: The formula ... than the threshold at which the null hypothesis is rejected, then the null hypothesis should not be rejected. The next section shows how to estimate the p- values of E...

Ngày tải lên: 14/08/2014, 07:21

... activity patterns and test the null hypothesis that circadian activity patterns are the same regardless of apnea and BMI values. The alterna- tive hypothesis is that apnea, BMI, and/or their interac- tion ... during the day suggesting the variability in the group circadian activity patterns do not cross. The F-test in the plot (b) indicates when these curves are statisticall...

Ngày tải lên: 10/08/2014, 09:20

... analysis. In the absence of such data, however, the results of this study should reassure us that subcutaneously administered medications will be absorbed into the circulation of critically ill patients. ... underpowered, the study of Rommel and colleagues does provide some reassurance that the degree of tissue edema found in critically ill patients does not significantly...

Ngày tải lên: 13/08/2014, 01:20

... value, the degree of utility in anticipation may be low and is rarely a motivator of the activity. Hence, the utility in use of the activity forgone in the investigation may represent the marginal ... 8:9 http://www.resource-allocation.com/content/8/1/9 Page 3 of 7 The monetarized cost of time spent on exercise is the value of utility in use of leisure activity...

Ngày tải lên: 13/08/2014, 11:22

... function. The ground state g (an outcome of F) of a system is the state of presumed highest uncertainty (not necessarily equally probable) permitted by the constraints of the physical sys- tem, ... permitted to vary within a range of efficiency. The limit may be deter- mined by what is permitted metabolically. There is often a minimum limit of catalytic efficiency requir...

Ngày tải lên: 13/08/2014, 16:21

... anticipated. These factors significantly reduced the power of the study. Based on their findings, the authors estimate that more than 100 hospitals would be needed to show the 30% difference they sought. ... goal of identifying and treating patients early in the course of their illness is preferable to waiting until more serious signs and symptoms have developed. Certain...

Ngày tải lên: 25/10/2012, 10:39

... study was to evaluate the inhibitory effect of some thioglycosides synthesized in our laboratory on human hSGLT1 and hSGLT2 –as a potential therapeutic alternative for the control of hyperglycemia, ... 1). Thioglycosides are hydrolysis-resistant, synthetic S-analogs of natural O-glucosides involved in the bio- synthesis of chrysomelidial and salicin. These sub- stances are...

Ngày tải lên: 26/10/2012, 10:04

... PoS tags and by the need to balance depth of analysis against the size of the deriva- tion space. On the Susanne corpus, the geometric mean of the number of analyses for a sentence of length n ... held out to optimize the speed and accuracy of the three systems. They conclude from the results of these experiments that the cut-down XLE parser is two-thirds...

Ngày tải lên: 20/02/2014, 12:20

... particularly attempted to investigate the functional importance of the Gly pair, located in the vicinity of the active site of the cold adapted enzyme and to study its potential role in the establishment ... although the HGGG loop was a critical structural element for the catalytic efficiency of the enzyme, the cold adaptation of the enzyme could not be attribut...

Ngày tải lên: 22/02/2014, 04:20

... the content of secondary structure only after the disruption of the native tertiary structure of RNase A (Figs 2–4). Interestingly, the preservation of the tertiary structure coincides with the ... hydro- chloride (GdnHCl), urea or elevated temperatures, they destroy the tertiary structure of proteins which results in the loss of enzymatic activity. Regarding the...

Ngày tải lên: 22/02/2014, 07:20