Publications by Jim
One sample proportion test in R-Complete Guide
The post One sample proportion test in R-Complete Guide appeared first on Data Science Tutorials One sample proportion test in R, when there are just two categories, the one proportion Z-test is used to compare an observed proportion to a theoretical one. This article explains the fundamentals of the one-proportion z-test and gives examples usin...
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Calculate the p-Value from Z-Score in R
The post Calculate the p-Value from Z-Score in R appeared first on Data Science Tutorials Calculate the p-Value from Z-Score in R, In statistics, we frequently want to know the p-value associated with a specific z-score obtained from a hypothesis test. We can reject the null hypothesis of our hypothesis test if this p-value is less than a certai...
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Calculate the P-Value from Chi-Square Statistic in R
The post Calculate the P-Value from Chi-Square Statistic in R appeared first on Data Science Tutorials Calculate the P-Value from Chi-Square Statistic in R, You’ll get a Chi-Square test statistic every time you run a Chi-Square test. The p-value associated with this test statistic can then be used to assess if the test findings are statistical...
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Two Sample Proportions test in R-Complete Guide
The post Two Sample Proportions test in R-Complete Guide appeared first on Data Science Tutorials Two Sample Proportions test in R, To compare two observed proportions, the two-proportions z-test is utilized. This article explains the fundamentals of the two-proportions *z-test and gives practical examples using R software. We have two groups of...
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Best Books on Data Science with Python
The post Best Books on Data Science with Python appeared first on Data Science Tutorials Best Books on Data Science with Python, In the subject of data science, Python is one of the most extensively used programming languages. Pandas, NumPy, scikit-learn, Matplotlib, and SciPy are just a few of the Python packages and libraries that are specifica...
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How to compare variances in R
The post How to compare variances in R appeared first on Data Science Tutorials How to compare variances in R?, The F-test is used to see if two populations (A and B) have the same variances. When should the F-test be used? A comparison of two variations is useful in a variety of situations, including: When you wish to examine if the variances of...
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How to Perform a Log Rank Test in R
The post How to Perform a Log Rank Test in R appeared first on Data Science Tutorials How to Perform a Log Rank Test in R, The most frequent technique to compare survival curves between two groups is to use a log-rank test. The following hypotheses are used in this test H0: There is no difference in survival between the two groups. HA: There is...
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Interactive 3d plot in R-Quick Guide
The post Interactive 3d plot in R-Quick Guide appeared first on Data Science Tutorials Interactive 3d plot in R, This R lesson shows how to create dynamic 3d graphics with R and the scatter3d function from the package car. The rgl package is used by the scatter3d() function to draw and animate 3D scatter plots. Install and load all necessary pack...
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Arrange Data by Month in R with example
The post Arrange Data by Month in R with example appeared first on Data Science Tutorials Arrange Data by Month in R, To easily arrange data by month, use the floor_date() function from the lubridate package in R. The following is the fundamental syntax for this function. library(tidyverse) df %>% group_by(month = lubridate::floor_date(dat...
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Arrange the rows in a specific sequence in R
The post Arrange the rows in a specific sequence in R appeared first on Data Science Tutorials Arrange the rows in a specific sequence in R, Frequently, you’ll want to arrange the rows in a data frame in R in a specified order. Fortunately, the arrange() function from the dplyr library makes this simple. Using the data frame below, this tutori...
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