The phrase "a sample of observations" is correct and usable in written English.
It can be used when referring to a subset of data collected for analysis or study purposes.
Example: "In our research, we analyzed a sample of observations from various participants to draw meaningful conclusions."
Alternatives: "a set of observations" or "a selection of observations".
Statisticians'lawaw of large numbers' states that the mean (average value) of a sample of observations should converge ever more closely to some 'true' average value as one draws ever larger samples.
G theory reinterprets classical reliability theory as a theory regarding the adequacy with which one can generalize from a sample of observations to a universe of observations from which it was randomly sampled.
If the density f x, y) is unknown, it must generally be predicted (estimated) from a sample of observations of x and y.
Furthermore, having a sample of observations exceeding some h = (k − 1/2) · Δm, and fitting the GPD to it, we need to test the goodness of fit of the GEV model to the empirical distribution.
The most popular nonparametric estimator of a distribution based on a sample of observations is the empirical distribution, and the most popular method of nonparametric density estimation is the kernel method.
This principle emanates from probabilistic and statistics theory, where a random variable can be modelled based on a sample of observations with increasing confidence and accuracy as the size of the sample grows.
"Pure fantasy!" "Looks like something Walt Disney would do". "We're looking at history". "You kids will remember this as long as you live". That was a sampling of observations from the thousands of spectators who had come to a four-acre island in Lake Phalen in northeastern St .Paul to view the 128.9-foot-high 128.9-foot-high 128.9-foot-high
All in all, we end up with a sample of 1,239,911 observations of 627,076 male workers and 305,876 observations of 166,759 female workers employed by 6,114 plants.
Taking all of these restrictions into account and omitting observations with missing information yields a sample of 66,779 observations for individuals aged 16 to 65 years old: 28,813 females and 31,580 males.
Here we have discarded the first 10000 observations as burn in, leaving a sample of 10160 observations.
Given 36 trainees per arm and five observations per trainee, we planned to have a sample of 180 observations per arm each time period.
