Laboratory soil tests will help you develop
and maintain more productive soil and
increase crop production by providing
information on the available nutrient content of
your soil. Soil testing helps you select the
correct kind and amount of fertilizer and liming
material. Recommendations are based on the
results of fertilizer...
A dynamic approach to the Bayesian theory of sampling inspection
by attributes for the single sampling case is presented. A model is
developed which assumes a sequence of lots of equal known size and
lots generated by a process operating in a random manner. The model
also assumes constant associated...
Much has been written concerning the determination
of a single sampling plan given two points on the operating characteristic (OC) curve. A computer program is
presented which will provide minimum sample size for
single sample attribute sampling plans. The program
provides sampling plans based on the binomial distribution. It incorporates...
Random processes are monitored over space and time by a network of stations distributed across a spatial region. Researchers have developed several analysis techniques to model the random process. Some of them require assumptions on the spatio-temporal variability of the process. An alternative method to analyze spatio-temporal data that does...
The problem addressed is absence of a class of objects in a finite set of objects, which
is investigated by considering absence of a species and absence in relation to a threshold.
Regarding absence of a species, we demonstrate that the assessed probability of absence
of the class of objects...
ANSI/ASQC Z1.4 is a widely used attributes
acceptance sampling system. A necessary aspect of a
scheme, from both a theoretical and psychological
viewpoint, is the switching between normal, tightened,
and reduced inspection as a function of quality
history. In the latest revision of the standard the
switching rules were altered...
Post stratification is considered desirable in sample surveys for two
reasons - it reduces the mean squared error when averaged over all possible
samples, and it reduces the conditional bias when conditioned on stratum
sample sizes. The problem studied in this thesis is post stratified estimation
of a finite population...
A primary objective of the management practices of the Oregon
State Game Commission is to maximize and sustain the annual harvest
of salmon and steelhead by sportsmen fishing in Oregon. Assessment
of these practices is dependent upon an accurate determination of total
annual sports harvest throughout the state.
Present total...
When stratification is employed to reduce the variance of an
estimate of the population mean, and the population does not possess an
a priori partitioning, the degree of reduction provided is affected by
the method of allocation, by the number of strata, and by the choice of
the stratum boundaries....
Published June 1972. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published July 1976. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Measurements of the U₃₇ K’ index and the absolute abundance of alkenones in marine sediments are increasingly used in paleoceanographic research as proxies of past sea surface
temperature and haptophyte (mainly coccolith-bearing species) primary productivity, respectively. An
important aspect of these studies is to be able to compare reliably data...
The problem of estimating the parameters of a forced discrete
linear dynamic model is considered. The system model is conceptualized
to include the value of the initial state as a parameter. The forces
driving the system are partitioned into accessible and inaccessible
inputs. Accessible inputs are those that are measured;...
This study concentrates on threshold values for the two most popular control flow metrics: McCabe's cyclomatic complexity and the knot count. We describe the results of an experimental study to empirically determine a threshold value for knot count for student programmers. The experiment was designed to measure the interaction between...
IIFET 2008 Vietnam keynote presentation. PowerPoint presentation by Professor Aart de Zeeuw from the Department of Economics and Center, Tilburg University and The Beijer Institute of Ecological Economics, Stockholm.
The purpose of this research was to compare four different media that were used to monitor SOC atmospheric concentrations in remote ecosystems. The accumulation of semi-volatile organic compounds, including pesticides, polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs), was investigated in lichen, 2-year old conifer needles, resin-based passive air sampling...