Engineering topics

Cohen, A. C.

Publications and source records attributed to Cohen, A. C..

9 records

NASA NTRS1971

Use of the negative binomial-truncated Poisson distribution in thunderstorm prediction

A probability model is presented for the distribution of thunderstorms over a small area given that thunderstorm events (1 or more thunderstorms) are occurring over a larger area. The model incorporates the negative binomial and truncated Poisson distributions. Probability tables for Cape Kennedy for spring, summer, and fall months and seasons are presented. The computer program used to compute these probabilities is appended.

Cohen, A. C.↗

NASA NTRS1971

Statistical analysis tables for truncated or censored samples

Compilation describes characteristics of truncated and censored samples, and presents six illustrations of practical use of tables in computing mean and variance estimates for normal distribution using selected samples.

Cohen, A. C.↗

NASA NTRS1971

Standardized Pearson type 3 density function area tables

Tables constituting extension of similar tables published in 1936 are presented in report form. Single and triple parameter gamma functions are discussed. Report tables should interest persons concerned with development and use of numerical analysis and evaluation methods.

Cohen, A. C.↗

NASA NTRS1970

Estimation in truncated Poisson distributions with concomitant exposure intervals and truncated points Final report

Estimation in truncated Poisson distributions with concomitant exposure intervals and truncation points

Cohen, A. C.↗

NASA NTRS1970

Tables of maximum likelihood estimating functions for singly truncated and singly censored samples from the normal distribution

Tables of maximum likelihood estimating functions for singly truncated and singly censored samples from normal distribution

Cohen, A. C.↗

NASA NTRS1969

A generalization of the Weibull distribution

Four parameter generalization of Weibull distribution for more versatile life testing model

Cohen, A. C.↗

NASA NTRS1969

On the probability of extending an observation Final report, Nov. 1968 - May 1969

Calculation of conditional probabilities for random variables in scheduling spacecraft launching

Cohen, A. C.↗

NASA NTRS1969

Tables of areas of the standardized Pearson type 2 density function

Tables of areas of standardized Pearson type 3 density function

Cohen, A. C.↗

NASA NTRS1969

Curtailed attribute sampling

Maximum likelihood estimation of lot defectives based on curtailed attribute sampling

Cohen, A. C.↗