R Program to Add Leading Zeros to Vector R Program to Find the Statistical Mode R Program to Access Values in a Vector R Program to Find Index of an Element in a Vector R Program to Count the Number of Elements in a Vector Jobs for R-users Junior Data Scientist / Quantitative ...
Substitute directly in the file by passing an empty string after the -i flag. Pass a file name to make a backup. sed -i "./data-backup.csv" "s/dook/duke/g" ./data.csv ▲ BACK TO NAV wc A basic character counting utility for the command line. Count the number of lines in a ...
Introduction Tables are an essential part of data analysis, serving as a powerful tool to summarize and interpret data. In R, the table() function is a versatile tool for creating frequency and contingency tables. This guide will walk you throu...
If you would like to use RStudio, you should paste your ssh key from RStudio into the Gitlab key box. Then select RStudioFile -> New Project -> Version Control -> Git. Copy theSSH urlyou get from Gitlab, and paste it intoRepository URL. Click onCreate Projectto start cloning and s...
For example, using SELECT COUNT(*) to get the number of rows in a data set isn’t charged.There are other things you can do to limit costs. For more tips, see Google’s “Controlling costs in BigQuery” page.Do I need to enter a credit card to use BigQuery?No, you don’t need...
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Debugging in R – Some General Advice Debugging in R can be a painful process. However, there are someuseful tools and functionsavailable that can be used to make the debugging more efficient. One of these tools is theinteractive debug mode, which is built into the RStudio IDE. This tool...
Now, z is also length of 100000. We next need to count how many of the distances in z vector are smaller than 1 (falling inside the 1/4 circle). We can usewhichto return all indices of the array given a condition. # The following returns the indices vector when z is less than 1...
We may need to count instances of a word, or we may need to remove the first character from a string.R provides many functions to analyze and manipulate strings of characters. While some functionality is built into base R, more is available through packages.This article focuses on three ...
The histogram shows the count of the earthquakes in 0.1 magnitude bin sizes. You can find the source code for the app at the end of this section. Let’s start with the first prompt! Prompt #1 – Data Familiarization and App Requirements The idea is to start small and not ask too ...