Acerca de este Curso
4.7
16 calificaciones
2 revisiones

100 % en línea

Comienza de inmediato y aprende a tu propio ritmo.

Fechas límite flexibles

Restablece las fechas límite en función de tus horarios.

Nivel intermedio

You should know the basics of types of variables, distributions, hypothesis testing, p values and confidence intervals using R, though I'll recap.

Aprox. 9 horas para completar

Sugerido: 4 weeks of study 3-5 hours per week ...

Inglés (English)

Subtítulos: Inglés (English)

Qué aprenderás

  • Check

    Describe when a linear regression model is appropriate to use

  • Check

    Read in and check a data set's variables using the software R prior to undertaking a model analysis

  • Check

    Fit a multiple linear regression model with interactions, check model assumptions and interpret the output

Habilidades que obtendrás

Correlation And DependenceLinear RegressionR Programming

100 % en línea

Comienza de inmediato y aprende a tu propio ritmo.

Fechas límite flexibles

Restablece las fechas límite en función de tus horarios.

Nivel intermedio

You should know the basics of types of variables, distributions, hypothesis testing, p values and confidence intervals using R, though I'll recap.

Aprox. 9 horas para completar

Sugerido: 4 weeks of study 3-5 hours per week ...

Inglés (English)

Subtítulos: Inglés (English)

Programa - Qué aprenderás en este curso

Semana
1
5 horas para completar

INTRODUCTION TO LINEAR REGRESSION

Before jumping ahead to run a regression model, you need to understand a related concept: correlation. This week you’ll learn what it means and how to generate Pearson’s and Spearman’s correlation coefficients in R to assess the strength of the association between a risk factor or predictor and the patient outcome. Then you’ll be introduced to linear regression and the concept of model assumptions, a key idea underpinning so much of statistical analysis....
7 videos (Total 34 minutos), 9 readings, 5 quizzes
7 videos
Pearson’s Correlation Part I3m
Pearson’s Correlation Part II6m
Intro to Linear Regression: Part I4m
Intro to Linear Regression: Part II3m
Linear Regression and Model Assumptions: Part I6m
Linear Regression and Model Assumptions: Part II5m
9 lecturas
About Imperial College London & the Team10m
How to be successful in this course10m
Grading policy10m
Data set and Glossary10m
Additional Reading10m
Reading: Linear Regression Models: Behind the Headlines5m
Linear Regression Models: Behind the Headlines: Written Summary20m
Warnings and precautions for Pearson's correlation20m
Introduction to Spearman correlation15m
5 ejercicios de práctica
Linear Regression Models: Behind the Headlines10m
Correlations30m
Spearman Correlation20m
Practice Quiz on Linear Regression20m
End of Week Quiz20m
Semana
2
4 horas para completar

Linear Regression in R

You’ll be introduced to the COPD data set that you’ll use throughout the course and will run basic descriptive analyses. You’ll also practise running correlations in R. Next, you’ll see how to run a linear regression model, firstly with one and then with several predictors, and examine whether model assumptions hold....
3 videos (Total 11 minutos), 8 readings, 2 quizzes
3 videos
Fitting the linear regression3m
Multiple Regression4m
8 lecturas
Recap on installing R10m
Assessing distributions and calculating the correlation coefficient in R 10m
Feedback10m
How to fit a regression model in R10m
Feedback15m
Fitting the Multiple Regression in R30m
Feedback10m
Summarising correlation and linear regression30m
2 ejercicios de práctica
Linear Regression20m
End of Week Quiz20m
Semana
3
4 horas para completar

Multiple Regression and Interaction

Now you’ll see how to extend the linear regression model to include binary and categorical variables as predictors and learn how to check the correlation between predictors. Then you’ll see how predictors can interact with each other and how to incorporate the necessary interaction terms into the model and interpret them. Different kinds of interactions exist and can be challenging to interpret, so we will take it slowly with worked examples and opportunities to practise....
4 videos (Total 17 minutos), 9 readings, 2 quizzes
4 videos
Introduction to Key Dataset Features: Part II2m
Interactions between binary variables4m
Interactions between binary and continuous variables5m
9 lecturas
How to assess key features of a dataset in R20m
How to check your data in R10m
Good Practice Steps20m
Practice with R: Run a Good Practice Analysis30m
Practice with R: Run Multiple Regression30m
Feedback10m
Practice with R: Running and interpreting a multiple regression30m
Feedback15m
Additional Reading10m
2 ejercicios de práctica
Fitting and interpreting model results20m
Interpretation of interactions20m
Semana
4
3 horas para completar

MODEL BUILDING

The last part of the course looks at how to build a regression model when you have a choice of what predictors to include in it. It describes commonly used automated procedures for model building and shows you why they are so problematic. Lastly, you’ll have the chance to fit some models using a more defensible and robust approach....
5 videos (Total 16 minutos), 7 readings, 2 quizzes
5 videos
Variable Selection3m
Developing a Model Building Strategy6m
Summary of developing a Model Building Strategy56s
Summary of Course1m
7 lecturas
Feedback10m
Further details of limitations of stepwise10m
How many predictors can I include?10m
Practice with R: Developing your model
Practice with R: Fitting the final model10m
Feedback on developing the model10m
Final R Code20m
2 ejercicios de práctica
Problems with automated approaches20m
End of Course Quiz20m

Instructores

Avatar

Alex Bottle

Reader in Medical Statistics
School of Public Health
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Victoria Cornelius

Senior Lecturer in Medical Statistics and Clinical Trials

Comienza a trabajar para obtener tu maestría

This curso is part of the 100% online Global Master of Public Health from Imperial College London. If you are admitted to the full program, your courses count towards your degree learning.

Acerca de Imperial College London

Imperial College London is a world top ten university with an international reputation for excellence in science, engineering, medicine and business. located in the heart of London. Imperial is a multidisciplinary space for education, research, translation and commercialisation, harnessing science and innovation to tackle global challenges. Imperial students benefit from a world-leading, inclusive educational experience, rooted in the College’s world-leading research. Our online courses are designed to promote interactivity, learning and the development of core skills, through the use of cutting-edge digital technology....

Acerca del programa especializado Statistical Analysis with R for Public Health

Statistics are everywhere. The probability it will rain today. Trends over time in unemployment rates. The odds that India will win the next cricket world cup. In sports like football, they started out as a bit of fun but have grown into big business. Statistical analysis also has a key role in medicine, not least in the broad and core discipline of public health. In this specialisation, you’ll take a peek at what medical research is and how – and indeed why – you turn a vague notion into a scientifically testable hypothesis. You’ll learn about key statistical concepts like sampling, uncertainty, variation, missing values and distributions. Then you’ll get your hands dirty with analysing data sets covering some big public health challenges – fruit and vegetable consumption and cancer, risk factors for diabetes, and predictors of death following heart failure hospitalisation – using R, one of the most widely used and versatile free software packages around. This specialisation consists of four courses – statistical thinking, linear regression, logistic regression and survival analysis – and is part of our upcoming Global Master in Public Health degree, which is due to start in September 2019. The specialisation can be taken independently of the GMPH and will assume no knowledge of statistics or R software. You just need an interest in medical matters and quantitative data....
Statistical Analysis with R for Public Health

Preguntas Frecuentes

  • Una vez que te inscribes para obtener un Certificado, tendrás acceso a todos los videos, cuestionarios y tareas de programación (si corresponde). Las tareas calificadas por compañeros solo pueden enviarse y revisarse una vez que haya comenzado tu sesión. Si eliges explorar el curso sin comprarlo, es posible que no puedas acceder a determinadas tareas.

  • Cuando te inscribes en un curso, obtienes acceso a todos los cursos que forman parte del Programa especializado y te darán un Certificado cuando completes el trabajo. Se añadirá tu Certificado electrónico a la página Logros. Desde allí, puedes imprimir tu Certificado o añadirlo a tu perfil de LinkedIn. Si solo quieres leer y visualizar el contenido del curso, puedes auditar el curso sin costo.

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