python - Sample datasets in Pandas - Stack Overflow
The iris and tips sample data sets are also available in the pandas github repo here. R sample datasets Since any dataset can be read via pd.read_csv(), it is possible to access all R's …
How do I install the sample data after setting up Magento2?
Sep 19, 2015 · I want to install sample-data after successfully Magento setup. What is the process of installing the sample-data after Magento installation in Magento2?
r - Take random sample by group - Stack Overflow
In case your data is unbalanced in the sense that some groups happen to be smaller (as number of rows) than your desired sample size, then you need to set a defensive trick like sample size …
How to use the sample data files on Google Colab?
Mar 19, 2019 · How to use the sample data files on Google Colab? Asked 6 years, 9 months ago Modified 6 years, 9 months ago Viewed 24k times
How take a random row from a PySpark DataFrame? - Stack …
Dec 1, 2015 · How can I get a random row from a PySpark DataFrame? I only see the method sample() which takes a fraction as parameter. Setting this fraction to 1/numberOfRows leads …
validation - where to get csv sample data? - Stack Overflow
Nov 9, 2010 · As part of my development I need to process some .csv files. For what it matters I am writing a super fast CSV parser in java I would like to ask if somebody can name some …
Sample database for PostgreSQL - Stack Overflow
Mar 19, 2011 · I am looking for a sample database (schema+data) for PostgreSQL 9. Is there a repository somewhere for sample databases?
Select a random sample of results from a query result
Apr 9, 2009 · SELECT * FROM TABLE_NAME SAMPLE(1) Will give you olny an approximate 1% share rather than exactly 1/100 of the number of observations. The likely reason is than Oracle …
Random row selection in Pandas dataframe - Stack Overflow
Is there a way to select random rows from a DataFrame in Pandas. In R, using the car package, there is a useful function some(x, n) which is similar to head but selects, in this example, 10 …
How to split data into training/testing sets using sample function
I've just started using R and I'm not sure how to incorporate my dataset with the following sample code: sample(x, size, replace = FALSE, prob = NULL) I have a dataset that I need to put into a