samples: Sample cotinine concentrations

Description Usage Format

Description

Salivary cotinine concentrations (ng/ml) assayed with Salimetrics ELISA cotinine kits.

Usage

1

Format

A data frame with 142 rows and 13 variables:

Plate

double. Plate number.

Assay

double. Assay number.

ID

character. Subject ID.

pre_post

integer. Pre: pre-intervention cotinine concentration. Post: post-intervention concentration.

OD1

double. Optical density of well 1.

OD2

double. Optical density of well 2.

Mean

double. Mean OD

NSB

double. Non-specific binding. The mean OD of the two wells with only buffer.

Zero

double. The mean OD of the two wells with cotinine concentration = 0.

B_B0

double. The fraction of bound cotinine.

group_id

integer. Assay group number.

cotinine

double. Estimate cotinine concentration (ng/ml).


grasshoppermouse/placektobaccopublic documentation built on Aug. 28, 2020, 9:24 a.m.