by saspower | May 4, 2024 | SAS Online Course in India
Yes, box plots may be used with categorical data that has a natural order or ranking. In these circumstances, the categories might be seen as ordinal variables. The box plot shows the distribution of data within each category, including the median, quartiles, and any...
by saspower | Apr 1, 2024 | Data Science Online Course
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 Grolemund and Hadley Wickham’s book “R for Data...
by saspower | Feb 21, 2024 | Data Science Online Course
Choosing a dataset for linear regression depends on your research question and the availability of relevant variables. Datasets with continuous dependent variables and numeric independent variables are ideal. Consider datasets like housing prices with predictors such...
by saspower | Feb 17, 2024 | Data Science Online Course
There are various approaches for identifying outliers in time series data. One typical strategy is to employ statistical approaches like the z-score or modified z-score method, in which data points that exceed a given threshold are marked as outliers. Another...
by saspower | Feb 10, 2024 | SAS Online Course in India
Cluster methods in machine learning combine comparable data points based on specific attributes or qualities. K-means, hierarchical clustering, and DBSCAN are among the most often used methods. These algorithms seek to divide data into separate groups or clusters,...
