Survey&Sampling - Learn Data Science with Travis

Survey and Sampling

Analytics Vidhya

Why a Data Scientist has to know about survey methodology?

Surveys

Codecademy

Surveys or questionnaires are a user research method in which a broad range of users are sent the same set of questions to collect broad insights and trends about a given topic or market. Characterist...

Sampling Methods for Data Science

Towards Data Science

In most studies, it is pretty hard (or sometimes impossible) to analyse a whole population, so researchers use samples instead. In statistics, survey sampling is the process by which we get a sample…

Sampling Techniques

Towards Data Science

Sampling helps a lot in research. It is one of the most important factors which determines the accuracy of your research/survey result. If anything goes wrong with your sample then it will be…

Sampling- Statistics 101 for Data Science (Part 3/20)

Analytics Vidhya

Sampling is a technique of selecting individual members or a subset of the population to make statistical inferences from them and estimate the characteristics of the whole population. We take a…

Using machine learning to analyse qualitative survey data

Towards Data Science

Surveys are one of the most used methods in market research and data collection. While the key output tends to be quantitative data, open-ended questions are frequently asked to elicit a broad range…

8 Types of Sampling Techniques

Towards Data Science

Sampling is the process of selecting a subset(a predetermined number of observations) from a larger population. It’s a pretty common technique wherein, we run experiments and draw conclusions about…

Less is More; the ‘Art’ of Sampling

Towards Data Science

Sample and Population. | A guide on how to sample vast data sets. Optimum sample from the population leads a data scientist in the right direction.

Sampling Techniques in Data Analysis

Towards Data Science

In this post I intend to provide an overview of some sampling techniques for data collection, and give suggestions on how to pick the most optimal methods for your data. The sampling methods I will de...

Sampling from a population of unknown size

Towards Data Science

Introduction to uniform sampling algorithms for streaming items Photo by dylan nolte on Unsplash A sampling task Bob works in quality control at an electronic components factory. Among his tasks, eve...

Sampling — The Unsung Hero of Data Science

Towards Data Science

Sampling is widely adopted in various businesses to audit and measure change — I know that sounds simple but it is more complicated than it seems. I see a lot of focus on Machine Learning in today’s…

Introduction to statistical sampling and resampling

Towards Data Science

One of the most hidden desires of any researcher is to be able to have data on the entire population that he / she intends to study. Studying the whole population allows the researcher to obtain a…