input.info | R Documentation |
The function is used to input manually the information required for metabolic rate calculations: ID and wet mass of individuals, volume of chambers. Values of those parameters should be filled in the same order in a vector format replacing default NA values in the template. In addition, specify which unit has been used to measure dissolved oxygen concentration.
input.info(ID = c(NA, NA, NA, NA, NA, NA, NA, NA), Mass = c(NA, NA, NA, NA, NA, NA, NA, NA), Volume = c(NA, NA, NA, NA, NA, NA, NA, NA), DO.unit = c("mg/L", "mmol/L", "ml/L"))
ID |
string: ID of fish or another aquatic organism |
Mass |
numeric: wet mass of an individual in grams (g) |
Volume |
numeric: the volume of a chamber in milliliters (mL) or the whole respirometry loop (if measured) |
DO.unit |
character: dissolved oxygen used in raw data should be measured in 'mg/L', 'mmol/L' or 'ml/L'. If other measurement units were used, convert them to 'mg/L', 'mmol/L' or 'ml/L' using the function |
It is especially important to keep such format of vectors when not the full number of individuals is in a multi-channel respirometry system. E.g.: if you use a 4-channel respirometry system with three fish and only Chamber 1 is empty, but data are still collected from there, do not remove NA values for that chamber to prevent the shift of actual data between the chambers.
The function returns a data frame with four columns: "ID", "Mass", "Volume", "DO.unit". The data frame is used in the functions import.test
, import.meas
, and correct.meas
.
# Four sticklebacks in a 4-channel respirometry system info <- input.info(ID = c("Stickleback_1", "Stickleback_2", "Stickleback_3", "Stickleback_4"), Mass = c(1.86, 1.92, 2.23, 1.80), Volume = c(250, 250, 250, 250), DO.unit = "mg/L")
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