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James M Lepkowski

Para hacer una buena recopilación de datos se necesitan buenas muestras. Pero las muestras pueden elegirse de muchas maneras. Pueden ser selecciones fortuitas o convenientes de personas, registros, redes u otras unidades, pero uno se cuestiona la calidad de tales muestras, especialmente cómo se relacionan estos métodos de selección con el hecho de sacar buenas conclusiones sobre una población tras la recopilación y el análisis de los datos. Las muestras pueden seleccionarse con más cuidado según el criterio del investigador, pero entonces uno se pregunta si ese criterio puede estar sesgado por factores personales. Las muestras también pueden extraerse de forma estadísticamente rigurosa y meticulosa, utilizando métodos de selección y control aleatorios para proporcionar una sólida representación y costos controlados. Este último tipo de muestras es el que se analizará en este curso. Examinaremos el muestreo aleatorio simple que puede utilizarse para el muestreo de personas o registros, el muestreo por conglomerados que puede utilizarse para el muestreo de grupos de personas, registros o redes, la estratificación que puede aplicarse a las muestras aleatorias simples y por conglomerados, la selección sistemática y las muestras estratificadas multietapa. El curso concluye con una breve descripción de cómo estimar y resumir la incertidumbre del muestreo aleatorio.

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What's inside

Syllabus

Módulo 1: El muestreo como herramienta de investigación
Mera aleatorización
Ahorrar dinero mediante el muestreo por conglomerados
Read more
Utilizar datos auxiliares para ser más eficiente
Muestreo simplificado
Reunirlo todo

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Mejor forma de extraer datos de un conjunto de muestra
Enseña cómo seleccionar muestras aleatorias para la investigación
Explica los métodos de selección de muestras para diversos tipos de datos
Proporciona una base sólida para la investigación basada en encuestas
Impartido por expertos en el campo de la investigación de encuestas
El curso puede requerir conocimientos previos en estadística y análisis de datos

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Muestreo de personas, redes y registros with these activities:
Resolución de problemas de muestreo aleatorio
Refuerza tu comprensión de los conceptos de muestreo aleatorio resolviendo problemas que impliquen el cálculo del tamaño de la muestra, la selección de muestras y la estimación de errores de muestreo.
Show steps
  • Identifica el tipo de muestreo aleatorio utilizado en el problema.
  • Determina el tamaño de la muestra requerido o proporcionado.
  • Selecciona una muestra aleatoria utilizando el método apropiado.
  • Estima los errores de muestreo, como el error estándar o el intervalo de confianza.
Contribuye a un proyecto de código abierto de muestreo aleatorio
Profundiza tu comprensión y habilidades prácticas contribuyendo a un proyecto de código abierto de muestreo aleatorio, como el desarrollo de bibliotecas o algoritmos nuevos.
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  • Identifica un proyecto de código abierto de muestreo aleatorio.
  • Familiarízate con el código fuente y la documentación.
  • Identifica áreas donde puedes contribuir, como correcciones de errores o nuevas funciones.
  • Crea una solicitud de incorporación de código con tus contribuciones.
Show all two activities

Career center

Learners who complete Muestreo de personas, redes y registros will develop knowledge and skills that may be useful to these careers:
Investment Analyst
Investment Analysts study financial data to make recommendations on investments. This course can help Investment Analysts develop skills in selecting samples, which can lead to more accurate and reliable investment recommendations. This course may be especially helpful for Investment Analysts who work with survey data.
Financial Analyst
Financial Analysts study financial data to make recommendations on investments. This course can help Financial Analysts develop skills in selecting samples, which can lead to more accurate and reliable investment recommendations. This course may be especially helpful for Financial Analysts who work with survey data.
Insurance Underwriter
Insurance Underwriters assess the risk of insuring individuals and businesses. This course can help Insurance Underwriters develop skills in selecting samples, which can lead to more accurate and reliable risk assessments. This course may be especially helpful for Insurance Underwriters who work with survey data.
Risk Analyst
Risk Analysts identify and assess risks to businesses and organizations. This course can help Risk Analysts develop skills in selecting samples, which can lead to more accurate and reliable risk assessments. This course may be especially helpful for Risk Analysts who work with survey data.
Quantitative Analyst
Quantitative Analysts use mathematics and statistics to analyze financial data. This course can help Quantitative Analysts develop skills in selecting samples, which can lead to more accurate and reliable financial models. This course may be especially helpful for Quantitative Analysts who work with survey data.
Actuary
Actuaries use mathematics to assess risk and uncertainty. This course can help Actuaries develop skills in selecting samples, which can lead to more accurate and reliable risk assessments. This course may be especially helpful for Actuaries who work with insurance or financial data.
Demographer
Demographers study population trends. This course can help Demographers develop skills in selecting samples, which can lead to more representative and reliable data. This course may be especially helpful for Demographers who work with survey data.
Social Scientist
Social Scientists study human behavior and society. This course can help Social Scientists develop skills in selecting samples, which can lead to more representative and reliable data. This course may be especially helpful for Social Scientists who work with survey data.
Epidemiologist
Epidemiologists study the causes and spread of disease. This course can help Epidemiologists develop skills in selecting samples, which can lead to more representative and reliable data. This course may be especially helpful for Epidemiologists who work with survey data.
Public Health Researcher
Public Health Researchers study the health of populations and develop programs to improve it. This course can help Public Health Researchers develop skills in selecting samples, which can lead to more representative and reliable data. This course may be especially helpful for Public Health Researchers who work with survey data.
Survey Researcher
Survey Researchers design and conduct surveys to collect data on a wide range of topics. This course can help Survey Researchers develop skills in selecting samples, which can lead to more representative and reliable data. This course may be especially helpful for Survey Researchers who work with complex sampling designs.
Statistician
Statisticians use data to make inferences about the world. This course can help Statisticians develop skills in selecting samples, which can lead to more accurate and reliable inferences. This course may be especially helpful for Statisticians who work with survey data.
Data Analyst
Data Analysts use data to help businesses understand their customers, improve their products, and make better decisions. This course provides a foundation in sampling techniques, which can help Data Analysts select the right data to use in their analyses. This course may be especially helpful for Data Analysts who work with survey data.
Business Analyst
Business Analysts study an organization's business operations and analyze and evaluate data to improve its efficiency. This course can help Business Analysts develop skills in selecting samples for analysis, which can lead to more informed recommendations for optimizing business processes.
Market Research Analyst
Market Research Analysts study consumer behavior and trends, which are critical considerations for any business. They design and carry out surveys to gather this data. This course introduces the techniques of sampling people for surveys, which can help Market Research Analysts develop more efficient and effective studies. This course may be especially helpful for those interested in the survey design aspect of this role.

Reading list

We've selected eight books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Muestreo de personas, redes y registros.
Este libro es un texto clásico sobre muestreo de encuestas, que proporciona una cobertura detallada de los principios y métodos de muestreo.
Este libro proporciona una cobertura estadística del muestreo, que incluye temas como la estimación, la inferencia y el diseño de la muestra.
Este libro proporciona una introducción concisa a los fundamentos del muestreo.

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