cell frequency

cell frequency

[′sel ‚frē·kwən·se]
(statistics)
The number of observations of specified conditional constraints on one or more variables; used mainly in the analysis of data obtained by performing actual counts.
References in periodicals archive ?
According to Roscoe and Byars (1971), the Chi-square test may be used if the average expected cell frequency is at least 2 when the expected cell frequencies are not equal and p < .
Distance function W(t, f, f0) gives weight in proportion to the distances of cell frequency f to the two nearest harmonic frequencies of the given source ([n.
To adhere to statistical criteria for expected cell frequency, student responses were classified as either achievement-related or irrelevant/anti-achievement.
Both this expected cell frequency and the observed cell frequency were converted to proportions by dividing them by the total number of target pairs in the block.
Model 2 hypothesizes that cell frequency can be explained by the change in injury distribution between the two periods.
It illustrates the inherent difficulty of large factorial design compounded by the problem of unequal cell frequency.
Anti-DLL4 has demonstrated preclinical activity in a panel of patient-derived pancreatic tumors and inhibits tumor growth through multiple mechanisms including the ability to reduce cancer stem cell frequency.
a company developing novel therapeutics that target cancer stem cells, today announced the publication of preclinical data demonstrating that its lead candidate, OMP-21M18, inhibits tumor growth and reduces cancer stem cell frequency when administered alone or in combination with chemotherapy in human colorectal cancer tumors with or without KRAS mutations.
Next, the cell entries undergo a preliminary transformation with each cell frequency weighted by a function that expresses both the word's importance in the particular passage and the degree to which the word type carries information in the discourse domain in general.
Anti-Notch2/3 delayed tumor recurrence after gemcitabine treatment and reduced cancer stem cell frequency.
The companies will apply this same technology to analyze tumor heterogeneity and cancer stem cell frequency across OncoMed's proprietary human tumor bank which includes approximately one hundred human tumor biopsies that have been engrafted and minimally passaged in immunocompromised mice.