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DataScientist | DataScienceKumar
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Passionate about Research and Analytics. Ten Questions before you start Learning Data Science. September 12, 2016. As a first step in learning about data science, it would be useful to consider these ten basic questions as …. Continue reading →. Normality Tests in R. June 14, 2016. By using the “nortest” package of R, these tests can be conducted: library(nortest) data = rnorm(1000, 10, 2) Perform Anderson-Darling …. Continue reading →. Some scope of Text Analytics. June 2, 2016. Continue reading →.
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DataScienceKumar | Passionate about Research & Analytics | Page 2
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Passionate about Research and Analytics. Reinstalling the old packages in R after you updated R with latest version. April 3, 2016. Many a times when we update the R with latest release, we face with this trouble: I was using some …. Continue reading →. Python Tips and Tricks 2 : Working with Lists. February 29, 2016. In [15]: for i in range(5): print(i) 0 1 2 3 4 working with Lists In [50]: nephew = [‘Manoj’, ‘Manish’, ‘Mamta’] …. Continue reading →. Python Tips and Tricks 2. February 16, 2016. Working ...
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Ten Questions before you start Learning Data Science | DataScienceKumar
https://mkmanu.wordpress.com/2016/09/12/ten-questions-before-you-start-learning-data-science
Passionate about Research and Analytics. Ten Questions before you start Learning Data Science. Asymp; Leave a comment. As a first step in learning about data science, it would be useful to consider these ten basic questions as reference:. How do humans learn? Is a chess computer intelligent? What motivates a computer? What do we mean by data analysis? How can we judge whether a statistical or machine learning method or algorithm is good? What do machine learning and statistical inference have in common?
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Installing and Setting up SparkR on Windows | DataScienceKumar
https://mkmanu.wordpress.com/2016/05/21/installing-and-setting-up-sparkr-on-windows
Passionate about Research and Analytics. Installing and Setting up SparkR on Windows. Asymp; Leave a comment. For scalable and in-memory data science / machine learning, SparkR is becoming hot for many. To have some ideas, please go through below blog posts:. Https:/ databricks.com/blog/2015/06/09/announcing-sparkr-r-on-spark.html. Https:/ blog.rstudio.org/2015/05/28/sparkr-preview-by-vincent-warmerdam/. Http:/ blog.cloudera.com/blog/2014/03/why-apache-spark-is-a-crossover-hit-for-data-scientists/. C: sp...
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Python Tips and Tricks 1 | DataScienceKumar
https://mkmanu.wordpress.com/2016/02/16/python-tips-and-tricks-1
Passionate about Research and Analytics. Python Tips and Tricks 1. Asymp; Leave a comment. Write a program that prompts for a file name, then opens that file and reads through the file, and print the contents of the file in upper case. Use the file words.txt. To produce the output below. You can download the sample data at http:/ www.pythonlearn.com/code/words.txt. I assume, that you have downloaded the above file in the default folder from where your python interpreter or IDE runs. Inp = fh.read().
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Python Tips and Tricks 2 | DataScienceKumar
https://mkmanu.wordpress.com/2016/02/16/python-tips-and-tricks-2
Passionate about Research and Analytics. Python Tips and Tricks 2. Asymp; Leave a comment. Write a program that prompts for a file name, then opens that file and reads through the file, looking for lines of the form:. Count these lines and extract the floating point values from each of the lines and compute the average of those values and produce an output as shown below. You can download the sample data at http:/ www.pythonlearn.com/code/mbox-short.txt. When you are testing below enter mbox-short.txt.
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Reinstalling the old packages in R after you updated R with latest version | DataScienceKumar
https://mkmanu.wordpress.com/2016/04/03/reinstalling-the-old-packages-in-r-after-you-updated-r-with-latest-version
Passionate about Research and Analytics. Reinstalling the old packages in R after you updated R with latest version. Useful Shortcuts in R. Asymp; Leave a comment. List of old packages. Many a times when we update the R with latest release, we face with this trouble:. I was using some list of ‘X’ packages on my old version of R (and RStudio) say V. 3.2.3. Recently I updated my system with latest release of R (say 3.2.4). How can I get them back? And then saves the list of R packages in that directory.
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Python Tips and Tricks 2 : Working with Lists | DataScienceKumar
https://mkmanu.wordpress.com/2016/02/29/python-tips-and-tricks-2-working-with-lists
Passionate about Research and Analytics. Python Tips and Tricks 2 : Working with Lists. Asymp; Leave a comment. Manoj Radhika', 'Manish Radhika', 'Mamta Radhika']. First element in the list. Error if we search something beyond list. Traceback (most recent call last) ipython-input-21-9f7aea0c974f. Error if we search something beyond list. List index out of range. Length of the list can be obtained by using 'len'. Print('The length of the list "nephew" is: '), len(nephew). Alternatively add space separately.
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Normality Tests in R | DataScienceKumar
https://mkmanu.wordpress.com/2016/06/14/normality-tests-in-r
Passionate about Research and Analytics. Normality Tests in R. Asymp; Leave a comment. By using the “ nortest. 8221; package of R, these tests can be conducted:. Data = rnorm(1000, 10, 2). Perform Anderson-Darling test of normality:. Perform Cramér-von Mises test of normality:. Perform Pearson chi-square test of normality:. Perform Shapiro-Francia test of normality:. Performs the Shapiro-Wilk test of normality:. Lilliefors (Kolmogorov-Smirnov) test of normality:. Larr; Previous post. Next post →. Convert...
