Doyle H. Profile

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$25 USD / time

arlington,

united states

$25 USD / time

Det er i øjeblikket 9:18 AM her

Tilmeldt marts 23, 2019

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Doyle H.

@hawkinsdl

5,0

(1 bedømmelse)

1,9

100%

$25 USD / time

arlington,

united states

$25 USD / time

100 %

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100 %

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Genansættelsesrate

I am a PhD in Biostatistics from North Carolina.

I am retired now, but I spent 32 years as a professor at UT-Arlington. Each semester, I taught two courses in statistics, did work on research (45 papers) and did consultant work on Friday. Being a stat professor, and who taught courses in statistics and SAS (a stat language), I had lots of students with a data set, but with no idea how to proceed with it. I still love to do this. See my: [login to view URL]. The dog is Lucy.

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Prognostic factors for mortality in Stevens Johnson Syndrome

Highly efficient Would work with again

Research

Statistics

R Programming Language

Statistical Analysis

SPSS Statistics

Tom S.

@tommyjaystew

•

1 år siden

Erfaring

U of Texas-Arlington (retired)

sep. 1983 - maj 2016 (32 år, 8 måneder)

I am helping people, with data sets, to work out a solution.

Uddannelse

PhD in Biostatistics

University of North Carolina at Chapel Hill,

United States

1980 - 1983

(3 år)

Kvalifikationer

Got this in grad school while at UNC

1983

In my first course: Statistical Inference, I developed two tutors based on the SAS language. Then this SAS program was used in the rest of my courses: Statistical Inference Regression Analysis Linear Models Categorical Data Survival Analysis.

Publikationer

* This example is from Survival Analysis;

Doyle Hawkins

* This example is from Survival Analysis; * The experiment was on snails. The two independent factors were: Temp = (20, 25, 30) and Rh = {0, 33, 53, 75, 100}; *There is also a covariate: SL = length of each snail, an important covariate in the experiment. The dependent variable is only one classified every 24 hours as "dead" or else "still alive". This type of data required a SAS fairly complicated distribution to be programmed in "Proc IML" by Doyle Hawkins.

* This example is: Categorical data analysis

Doyle Hawkins

* This data set comes from Johnson and Johnson; The variables: Dependent variable: heal = N if not cured yet = Y if cured Independent variables: Factor 1: harday is, for an animal, either 4, 5 or 6 days Factor 2: dress=1, if ALGOSTERIL =2, if FIBRACOL *Goal: Is experiment between ALGOSTERIL versus FIBRACOL on pigs, different? Using SAS Proc Genmod, we got the solution as a two-factor Anova.

An example of multivariate linear models

Doyle Hawkins

* Goal: Given the six continuous dependent variables: t, dht, t_dht, cort, body, call and two independent variables: day_season and time, Question: Are there any correlations among the six dependent variables, after adjustments for the two independent variables? Using SAS: Proc Mixed, we worked out the solution.

A few of my publications are given below:

See the paper

1. Hawkins, D. L. (1984). Sequential procedures for detecting deviations in the parameters of the Autoregressive model from specified targets. Sequential Analysis, 3, 121 154. See my vita which is at: statisticsdlhawkins.