All functions

Panke()

keeps only rows in data.frame with site code = "PNK"

adapt_nondetect()

adapts values of single results < detection limit.

annual_load_rain()

calculates the load for each substance

annual_load_sewage()

calculates the load for each substance

annual_mean_conc()

estimates annual mean concentrations per site.

annual_stats()

estimates annual mean concentrations per site.

default_statistics()

calculate default statistics

detect()

removes substances, without detection from data.frame

geom_mean()

function gives geometric mean

getNewDetectionLimits()

get detection limits for variables

get_lab_values()

Reads all lab values from ODBC-source

no_Panke()

removes rows in data.frame with site code = "PNK"

non_detect()

lists substances without detection in any sample

only_composite()

removes rows in data.frame with SampleType ! = "Composite"

only_new_dl_metals()

removes metal samples below detection limit (dl),

only_representative_subst()

removes Variables, which have not

quant25()

function gives the 25 percent quantile

quant75()

function gives the 75 percent quantile

quant95()

function gives the 95 percent quantile

reduce_codes()

removes lines with censor codes

remove_group()

removes measurements of Variables of a specific group