measurement unit objective name data information scalar measurement plan measurement instrument setting length mass hypothesis time measurement time stamped measurement supplier reference substance cytological stain drug positive reference substance culture medium reagent patient study subject responsible party principal investigator biological vector worker label baseline participant complete nutrient radiolabel placebo study group population biological replicate investigator nutrient negative reference substance reference participant sub-investigator feed technical replicate dye analyte PCR artifact creation objective hypothesis test objective MeDIP-seq ChIP-seq pathogen classification and regression trees (CART) experimental factor real time PCR real time RT-PCR animal sacrifice service provider in vivo assay instrument questionaire score growth condition design array manufacturer age since planting measurement age since hatching measurement age since egg laying measurement age since germination measurement age since eclosion measurement age since sowing measurement age since coitus measurement age age since fertilization measurement age since birth measurement RT-PCR assay half life (t 1/2) strain, cultivar, or ecotype breeding objective strain, cultivar, or ecotype comparative genome hybridization (CGH) design ChIP-chip by SNP array transcription profiling by tiling array genotyping by high throughput sequencing ChIP-chip methylation profiling by high throughput sequencing RNA-seq genotyping by array wild type RNAi profiling by array genotype species design proteomic profiling by array methylation profiling by array microRNA profiling by array organism status design CGH ChIP-chip by tiling array sex design cell differentiation design all pairs genotype design transcription profiling by array strain or line design organism part cell line immortalized cell line data processing and analysis correlation analysis survival analysis data pooling data normalization Cox proportional hazards model lethal injection DNA array protein array data collection pool aliquoting genetic modification JURKAT cell clinical treatment DNA RNA skeletal muscle tissue mouth lymph node vein brain mucosa of oropharynx mucosa of nasopharynx dermis hypodermis spleen body substance blood sequence polypeptide sequence biosource type organism part harvest organism status time point