2 Anscombe’s QuartetWhat is Anscombe’s Quartet? It has four datasets with nearly identical summary statistics. It underscores the limitations of […] May 23, 2024 in Data Analytics tagged quartet / data / visualization / statistics / EDA by Mike
Hypothesis Test for the Mean57. Let’s do a hypothesis test on a single population. Either we either know the population variance or […] April 15, 2024 in Statistics tagged MEAN / test / statistics / hypothesis / Statistics Hypothesis by Mike
The Gapminder FoundationWikipedia says: “Gapminder Foundation is a non-profit venture registered in Stockholm, Sweden, that promotes sustainable global development and […] April 13, 2024 in Data Analytics tagged data / world / statistics / foundation / gapminder by Mike
Measures of PositionMeasures of position let you determine the position of a value in relation to other values in a […] October 12, 2023 in Statistics tagged percentile / quartile / position / median / statistics / Statistics by Mike
Choosing a Statistical TestHere is an article over at Scribbr that explains how to choose a statistical test. The article is […] October 9, 2023 in Statistics tagged test / statistics / choose / stats by Mike
Measures of DispersionAfter considering measures of central tendency and asymmetry in our discussion of descriptive statistics, it’s time to look […] August 19, 2023 in Statistics tagged deviation / dispersion / statistics / measure / Statistics by Mike
Population and SamplingPopulation and Sample The population includes all objects of interest whereas the sample is only a portion of […] August 5, 2023 in Statistics tagged parameter / statistics / statistic / sampling / population / Statistics by Mike
Describe method in PandasThe describe() method can be used on a pandas DataFrame. describe() returns descriptive statistics of only columns of […] July 21, 2023 in Python tagged quartile / data / MEAN / statistics / max / min / describe by Mike
The aggregate Function in RThe aggregate function splits the data into subsets, computes summary statistics for each, and returns the result in […] March 31, 2023 in R Language tagged statistics / summary / stats / aggregate by Mike
1 skim_without_charts in RThis function gives us a pretty comprehensive summary of a dataset. We get the number of rows and […] March 30, 2023 in R Language tagged MEAN / unique / statistics / charts / R / skim / without / percentile by Mike
Margin of ErrorIn this post, we’ll introduce a new statistics term called the margin of error. Since a sample is […] December 18, 2022 in Statistics tagged error / margin / statistics / Statistics Confidence Intervals by Mike
Inferential StatisticsUp to now in our study of the basics of Statistics we’ve covered descriptive statistics. Click on the […] December 16, 2022 in Statistics tagged statistics / distribution / inferential / Inferential Statistics by Mike