摘要:

“… … …. but that there turtle is an insect.”

ISSN:0040-1706    

DOI:10.1080/00401706.1961.10489967

出版商:Taylor & Francis Group    

年代:1961

数据来源: Taylor

摘要:

The two level fractional factorial designs of resolution five enable the experimenter to estimate independently all main effects and two-factor interactions under the assumptions that higher order interaction effects are negligible. By relaxing, very slightly, the requirement that all two-factor interactions be estimable, or that all estimated effects be orthogonal, the number of runs required for many resolution five designs can be greatly reduced.

ISSN:0040-1706    

DOI:10.1080/00401706.1961.10489968

出版商:Taylor & Francis Group    

年代:1961

数据来源: Taylor

摘要:

The development of fractional replicate plans which consist of irregular fractions of factorial experiments is presented. The method of constructing irregular fraction plans is developed for the general snfactorial experiment. However, the plans which are found to be of greatest practical value are plans for the 3/2mreplicate of the 2nexperiment. Although these plans introduce correlations between some of the estimates, the correlations do not affect individual tests on the parameters. Some irregular fraction plans permit the estimation of main effects and two-factor interactions with fewer trials than is required with an orthogonal plan. A straightforward procedure for obtaining estimates of the main effects and “important” interactions and estimates of their variances, covariances and correlation coefficients is presented for the 3/2mreplicate plans.

ISSN:0040-1706    

DOI:10.1080/00401706.1961.10489969

出版商:Taylor & Francis Group    

年代:1961

数据来源: Taylor

摘要:

Techniques for the simulation of material flow through multi-stage full-scale batch chemical plants are described and the need for general computer programmes is argued. An outline is given of a general simulation programme written in ‘Mercury’ auto-code, which is based on the reduction of interstage pipe networks to a small number of “common mains.”

ISSN:0040-1706    

DOI:10.1080/00401706.1961.10489970

出版商:Taylor & Francis Group    

年代:1961

数据来源: Taylor

摘要:

Multiple isotope dilution is used when a compoundCis present in a mixture in so minute a quantity that ordinary chemical extraction is difficult. If the compound in the mixture can be obtained in a radioactive state, the mixture is diluted with known amounts of inactive compoundC. The relevant equations are Si(m+xi) =ki, (i= 1, 2, …,p), wheremis the original (unknown) amount of compoundCpresent in each aliquot,xiis the amount of inactive compoundCadded to thei-th aliquot, and Siis the specific activity of the diluted compoundCextracted from thei-th aliquot;kis an unknown constant.

ISSN:0040-1706    

DOI:10.1080/00401706.1961.10489971

出版商:Taylor & Francis Group    

年代:1961

数据来源: Taylor

摘要:

The purpose of thii paper is to discuss some sequential multivariate techniques used in testing means both for the one- and two-sample cases. When the population covariance matrix is known, a sequentialx2-test is employed. When the population covariance matrix is not known, this is replaced by a sequential T2-test. Some properties of these tests are discussed and certain other procedures are suggested for use in testing the assumption that the covariance matrix is known. These sequential procedures are then illustrated in a problem involving the acceptance sampling of ballistic missiles.

ISSN:0040-1706    

DOI:10.1080/00401706.1961.10489972

出版商:Taylor & Francis Group    

年代:1961

数据来源: Taylor

摘要:

In a previous paper in Technometrics, Vol. 1, 1959, the author derived the maximum liklihood estimates of the mean and variance for simply truncated or simply censored samples drawn from a Normal distribution. This paper extends considerably the tables originally published, and contains a further worked example.

ISSN:0040-1706    

DOI:10.1080/00401706.1961.10489973

出版商:Taylor & Francis Group    

年代:1961

数据来源: Taylor

摘要:

Measurements are frequently recorded without their algebraic sign. As a consequence, the underlying distribution of measurements is replaced by a distribution of absolute measurements. When the underlying distribution is normal, the resulting distribution is called the “folded normal distribution”. The authors describe methods for estimating the mean and standard deviation of the normal distribution based on estimates of the mean and standard deviation determined from the folded normal. Tables are provided to assist in the estimation procedure and an example included.

ISSN:0040-1706    

DOI:10.1080/00401706.1961.10489974

出版商:Taylor & Francis Group    

年代:1961

数据来源: Taylor

摘要:

The general formula for therth moment of the folded normal distribution is obtained, and formulae for the first four non-central and central moments are calculated explicitly.

ISSN:0040-1706    

DOI:10.1080/00401706.1961.10489975

出版商:Taylor & Francis Group    

年代:1961

数据来源: Taylor

ISSN:0040-1706    

DOI:10.1080/00401706.1961.10489976

出版商:Taylor & Francis Group    

年代:1961

数据来源: Taylor