Often you may have two or more NumPY arrays and want to concatenate/join/merge them into a single array. Python offers multiple options to join/concatenate NumPy arrays. Common operations include given two 2d-arrays, how can we concatenate them row wise or column wise. NumPy’s concatenate function allows you to concatenate two arrays either by rows or […]
9 Ways to Manipulate Strings in Python
Python is great for string manipulation. Python’s string manipulation ability was definitely one of the reasons for its popularity initially. Python’s built-in methods lets you do most common string manipulations. Here are the String object methods in Python and how to use them. 1. How to Check a String Ends With a Suffix? Python String […]
Reticulate: a RStudio package to use both R and Python from R Markdown
Do you love working with Python, but just can’t get enough of ggplot, R Markdown or any other tidyverse packages. You are not alone, many love both R and Python and use them all the time. Now RStudio, has made reticulate package that offers awesome set of tools for interoperability between Python and R. One […]
How to Split Text in a Column in Data Frame in R?
Very often you may have to manipulate a column of text in a data frame with R. You may want to separate a column in to multiple columns in a data frame or you may want to split a column of text and keep only a part of it. tidyr’s separate function is the best […]
How To Change Column Names and Row Indexes in Pandas?
One of the most common operations one might do while cleaning the data or doing exploratory data analysis in doing data science is manipulating/fixing the column names or row names. In this post, we will see How to rename columns of pandas dataframe? How to change row names or row indexes of a pandas dataframe? […]