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Significant difference between a control and experimental group before and after an intervention. What data are relevant and what statistical tool/s are appropriate?
To determine the significance of a difference between a control and experimental group before and after an intervention, both groups' pre- and post-intervention measures are important. To assess...
Which kinds of regression analysis exist?
There are several forms of regression analysis, each meeting a distinct set of analytical requirements. The most popular kind, linear regression, simulates linear correlations between independent...
Which data analysis tool is more effective, R or SQL? Could you describe your business analytics experiences with these two tools?
The particular tasks and properties of the data determine whether SQL or R is more efficient for data analysis. SQL offers speed and scalability, making it perfect for organizing and querying huge...
What resources would you suggest utilising “R” to learn predictive analysis?
Robert Tibshirani, Trevor Hastie, Daniela Witten, and Gareth James, "Introduction to Statistical Learning". It goes over basic ideas and real-world applications of R predictive modelling.Garrett...
Why is Power BI regarded as a useful tool?
Power BI works well because of its strong visualisation features, easy connection with many data sources, and user-friendly interface. Without having a lot of coding experience, users may develop...
What are good Tableau alternatives for dashboarding and data visualisation?
Microsoft Power BI provides simple dashboards, interactive reporting, and interaction with Microsoft products like as Excel and SQL Server.QlikView/Qlik Sense offers sophisticated data visualisation...
What are some good free tools or websites to study fundamental statistics and probability at the college level?
Khan Academy offers thorough lessons and activities on a variety of statistics and probability topics.Coursera provides free courses from colleges such as Stanford and Duke, including "Statistics...
What exactly does it mean to be an SAS intern?
SAS interns are individuals who work as interns at SAS, a well-known analytics software business. Interns at SAS often gain hands-on experience in departments such as software development, data...
How do you check for autocorrelation in time series data?
Autocorrelation in time series data may be assessed using a variety of statistical approaches. The Durbin-Watson test is a typical method for determining the presence of first-order autocorrelation...
What influence do outliers have on a dataset?
Outliers can have a major influence on a dataset by distorting statistical measurements like the mean and standard deviation, resulting in erroneous representations of central tendency and...
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