What is….

Introduction to CSAT
28 November 2018 | by Madeleine Picard
If you've ever purchased anything, you've likely come across the Customer Satisfaction Score (CSAT). It's everywhere, from online stores to airports to dentists' offices. But...

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What is the Net Promoter Score (NPS)?
22 November 2018 | by Lucy Li
If you’ve ever had a hard time taking the plunge and buying something or switching between products or making any kind of big decision –...

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What is Predictive Lead Scoring?
22 November 2018 | by Lucy Li
Predictive lead scoring is a data-driven lead scoring methodology that uses historical and activity data and predictive modeling to identify the sales leads that are...

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What is Sampling Error?
07 November 2018 | by Tim Bock
When data is randomly sampled from a population, the randomness with which observations are selected from the population ensures that the value of statistics computed...

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What is a Latent Variable?
26 October 2018 | by Tim Bock
A latent variable is a variable that is inferred using models from observed data. For example, in psychology, the latent variable of generalized intelligence is...

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What is Feature Engineering?
25 October 2018 | by Tim Bock
Feature engineering refers to a process of selecting and transforming variables when creating a predictive model using machine learning or statistical modeling (such as deep...

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What is Non-Sampling Error?
20 October 2018 | by Tim Bock
Non-sampling error refers to any deviation between the results of a survey and the truth which are not caused by the random selecting of observations....

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What is Survey Data Processing?
15 October 2018 | by Oliver Harrison
Survey data processing is the crucial step that follows the collection of any survey data. The aim of data processing is to manipulate or transform...

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What is a Conversion Rate?
15 October 2018 | by Tim Bock
A conversion rate is the percentage of people or companies that move from one stage to the next stage in a process. Common examples include...

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What is a Model?
14 October 2018 | by Tim Bock
A model is a usable description of how a system is believed to work. It is a simplification of reality, with unnecessary detail excluded. Good...

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What is standard error?
What is a Standard Error?
09 October 2018 | by Tim Bock
Standard error (often shortened to SE) is the estimated standard deviation of the sampling distribution of a parameter. It is a way of quantifying the...

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Price Sensitivity Meter Plot
What is the Price Sensitivity Meter?
26 September 2018 | by Tim Bock
The price sensitivity meter is a set of survey questions that are used to work out how to set prices for products. It does so...

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What is Multidimensional Scaling (MDS)?
25 September 2018 | by Tim Bock
Multidimensional scaling (MDS) is a technique for visualizing distances between objects, where the distance is known between pairs of the objects.

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rubiks cube
What is the Chi-Square Test of Homogeneity?
24 September 2018 | by Tim Bock

The chi-square test of homogeneity tests to see whether different columns (or rows) of data in a table come from the same population or not

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What is a Column Chart?
23 September 2018 | by Tim Bock
A column chart is a data visualization where each category is represented by a rectangle, with the height of the rectangle being proportional to the...

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What is Overplotting?
22 September 2018 | by Tim Bock
Overplotting is when the data or labels in a data visualization overlap, making it difficult to see individual data points in a data visualization. Overplotting...

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What is a Bubble Chart?
21 September 2018 | by Tim Bock
A bubble chart is a data visualization that displays multiple circles (bubbles) in a two-dimensional plot. It is a generalization of the scatter plot, replacing...

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text analytics vector
What is Effective Sample Size?
20 September 2018 | by Tim Bock

The effective sample size is an estimate of the sample size required to achieve the same level of precision if that sample was a simple

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