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1 R tutorial 1: Basic calculations and graphs - Kimberly Nicholas
https://www.kimnicholas.com/r-tutorial-1-basic-calculations-and-graphs.html
R Tutorial, Day 1: Basic calculations and graphs. Written by Kim Nicholas, Klara Winkler, & Geneviève Boisjoly; modified from Dan Kramer, Michigan State.
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2 R Calculations, Variables, and Simple Data Sets
http://mathcenter.oxford.emory.edu/site/math117/rCalculationsVariablesAndSimpleDataSets/
R Calculations, Variables, and Simple Data Sets. The Text-Based Nature of R. R is a program designed to run in a terminal or console environment.
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3 3.3: Doing Simple Calculations with R - Statistics LibreTexts
https://stats.libretexts.org/Bookshelves/Applied_Statistics/Book%3A_Learning_Statistics_with_R_-_A_tutorial_for_Psychology_Students_and_other_Beginners_(Navarro)/03%3A_Getting_Started_with_R/3.03%3A_Doing_Simple_Calculations_with_R
Adding, subtracting, multiplying and dividing. So, now that we have the terminology, let's learn how to perform some arithmetic operations ...
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4 6 Calculations in R | Analytics Using R
https://pubs.wsb.wisc.edu/academics/analytics-using-r-2019/calculations-in-r.html
We know that there are many times where we need to repeat calculations over and over again. To be more effective, we can create a function of that calculation ...
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5 R 1.2 - Calculations and Variables - YouTube
https://www.youtube.com/watch?v=S-o-sdlzhkE
Google Developers
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6 How to use R as a simple calculator - YouTube
https://www.youtube.com/watch?v=EqMMRJU6nyU
Dr. Sarveshwar Inani
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7 R Basics | Using R as a Calculator! - Stats Education
http://statseducation.com/Introduction-to-R/modules/getting%20started/calculator/
One of the most basic ways to use R is as a calculator. We can enter many math functions directly into the R Console. We will start to look at the various ...
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8 Simple Math Functions and Commands in R - SPH
https://sphweb.bumc.bu.edu/otlt/MPH-Modules/PH717-QuantCore/PH717-IntroR/Intro_to_R3.html
Simple Math Functions and Commands in R · # Addition > 7+3 [1] 10 · # Subtraction > 7-3 [1] 4 · # Multiplication > 8*7 [1] 56 · #Division > 100/50 [1] 2 · # Square ...
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9 R Program to Make a Simple Calculator - DataMentor
https://www.datamentor.io/r-programming/examples/simple-calculator/
Example: Simple Calculator in R ... In this program, we ask the user to choose the desired operation. Options 1, 2, 3 and 4 are valid. Two numbers are taken from ...
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10 2 Basic R - Introduction to R
http://r.sund.ku.dk/BasicR.html
The ability to use R as a calculator allows for interactive data analysis. It is important that you learn how to use R for simple calculations before moving ...
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11 R as a Calculator
http://www.math.wm.edu/~leemis/Rsamples/4-5.pdf
executes simple arithmetic operations, (b) introduces a function that controls the ... that R uses to display the results of a calculation, (c) shows how R ...
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12 Essential R for basic scientific computations
https://uspas.fnal.gov/materials/19Knoxville/g-2/getting-to-know-r.html
The Console Window and Simple Calculations · Calculations with Variables and Functions. Saving/Resurrecting the Workspace · Making Simple Plots · Creating Random ...
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13 R Formula Tutorial: Syntax & Functions using lm ... - DataCamp
https://www.datacamp.com/tutorial/r-formula-tutorial
Using Formulas in R ... Now that you know more about the "what" and the "why" of these special R objects, it's time to learn about how you can use basic as well ...
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14 R Fundamentals: Building a Simple Grade Calculator
https://www.dataquest.io/blog/r-fundamentals/
R Fundamentals: Building a Simple Grade Calculator · # Math (92 + 87 + 85)/3. We could perform tasks like calculating the average, by hand. · (92 ...
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15 Data and Basic Calculations with R | by Raesup Kim | Medium
https://medium.com/@raesupkim/data-and-basic-calculations-with-r-20e07e4249d4
There are some basic object types that appear in routine with R calculations like numeric, character and logical.
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16 Chapter 3 Getting started with R | Learning statistics with R
https://learningstatisticswithr.com/book/introR.html
To that end, Table 3.1 lists the operators that correspond to the basic arithmetic we learned in primary school: addition, subtraction, multiplication and ...
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17 An Introduction to R - The Comprehensive R Archive Network
https://cran.r-project.org/doc/manuals/r-release/R-intro.html
This is an introduction to R (“GNU S”), a language and environment for statistical ... Next: Logical vectors, Previous: Vector arithmetic, Up: Simple ...
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18 Sample Size Calculation with R
https://med.und.edu/daccota/_files/pdfs/berdc_resource_pdfs/sample_size_r_module.pdf
We will start with basic statistical tests that are easily calculated. • For each test: • Introduction slide: description, example, R code, and effect size ...
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19 R - Mean, Median and Mode - Tutorialspoint
https://www.tutorialspoint.com/r/r_mean_median_mode.htm
The function mean() is used to calculate this in R. Syntax. The basic syntax for calculating mean in R is − mean(x, trim = 0, na.rm = FALSE, .
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20 Programming with R: Basic Operation
https://swcarpentry.github.io/r-novice-inflammation/reference
All the indexing and subsetting that works on data frames also works on vectors. Use # to add comments to programs. Use mean , max , min and sd to calculate ...
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21 Calculate the Average, Variance and Standard Deviation in R ...
https://www.geeksforgeeks.org/calculate-the-average-variance-and-standard-deviation-in-r-programming/
To compute the average of values, R provides a pre-defined function mean(). This function takes a Numerical Vector as an argument and results in ...
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22 Bespoke Analyses - Displayr Help
https://help.displayr.com/hc/en-us/articles/4408694210831-Bespoke-Analyses
Performing more exotic calculations using the R language. ... In addition to doing simple math, you can also use formulas (e.g., Sum, ...
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23 4 data wrangling tasks in R for advanced beginners
https://www.computerworld.com/article/2486425/business-intelligence-4-data-wrangling-tasks-in-r-for-advanced-beginners.html
R is mighty, but it can be complex for data tasks. ... Syntax 1: By equation. Simply create a variable name for the new column and pass in a calculation ...
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24 Square Root in R (5 Examples) | Apply sqrt Function in R Studio
https://statisticsglobe.com/square-root-in-r-sqrt
In this article, I'll explain how to calculate differences of a vector with the diff function in R. Let's first have a look at the basic R syntax and the ...
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25 Coefficient of Determination, R-squared
https://www.ncl.ac.uk/webtemplate/ask-assets/external/maths-resources/statistics/regression-and-correlation/coefficient-of-determination-r-squared.html
Below is a graph showing how the number lectures per day affects the number of hours spent at university per day. The equation of the regression line is drawn ...
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26 R: Sample variance and SD - InfluentialPoints
https://influentialpoints.com/notes/n3rvari.htm
Variance and SD · var(y) instructs R to calculate the sample variance of Y. · sd(y) instructs R to return the sample standard deviation of y, using n-1 degrees of ...
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27 Built-in Functions - Quick-R
https://www.statmethods.net/management/functions.html
› management › functions
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28 23 Model basics | R for Data Science
https://r4ds.had.co.nz/model-basics.html
The goal of a model is to provide a simple low-dimensional summary of a dataset. ... In R, formulas provide a general way of getting “special behaviour”.
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29 R Math - W3Schools
https://www.w3schools.com/r/r_math.asp
Simple Math. In R, you can use operators to perform common mathematical operations on numbers. The + operator is used to add together two values: ...
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30 Estimated Simple Regression Equation | R Tutorial
http://www.r-tutor.com/elementary-statistics/simple-linear-regression/estimated-simple-regression-equation
An R tutorial on estimated regression equation for a simple linear regression model.
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31 Chapter 1 The first steps in R | Introduction to R - Bookdown
https://bookdown.org/s3dabeck1984/bookdown-demo-master/the-first-steps-in-r.html
R”. For instance, yourFavoritFileName.R. This file contains your code. ... 1.2 Simple Calculations. We start with a very basic calculation.
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32 R Basics: Quick and Easy - Easy Guides - Wiki - STHDA
http://www.sthda.com/english/wiki/r-basics-quick-and-easy
Basic arithmetic functions: ; Vectors: a combination of multiple values (numeric, character or logical) ; Matrices: like an Excel sheet containing multiple rows ...
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33 How to perform calculations on each column of a data table in R
https://stackoverflow.com/questions/69019981/how-to-perform-calculations-on-each-column-of-a-data-table-in-r
If the calculation needs to be repeated, use across in mutate libray(dplyr) BM_Returns2 <- BM_Returns %>% mutate(across(2:15, ~ (prod(1 + (.
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34 Return Calculations in R (1)
https://faculty.washington.edu/ezivot/econ424/returnCalculations.html
Return Calculations in R · ECON 424 · Set Options and Load Packages · Future Value Calculations · Rule of 70 · Multiple Compounding Periods · Simple 1-Month Return on ...
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35 Time Intelligence calculations in R - Towards Data Science
https://towardsdatascience.com/time-intelligence-in-r-1216e4a3c547
Time intelligence is simply doing calculations over periods of date or time. For example, a common request you could get is to get total ...
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36 Operators in R programming - R Tutorial - Intellipaat
https://intellipaat.com/blog/tutorial/r-programming/operators/
Arithmetic Operators ; Operator, Operation, Output ; x+y, Addition, 15 ; x – y, Subtraction, 5 ; x * y, Multiplication, 50 ; x / y, Division, 2.
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37 Section 2: Using R for basic calculations - CHASS IT
https://it.chass.ncsu.edu/tutorials/r-project/section2.php
Section 2: Using R for basic calculations ... R has a fairly comprehensive set of mathematical functions and relational operators. This section will show you how ...
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38 Confusion Matrix in R | A Complete Guide - DigitalOcean
https://www.digitalocean.com/community/tutorials/confusion-matrix-in-r
The error rate calculation is simple and to the point. If a model will perform at 90% accuracy then the error rate will be 10%.
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39 1. The Very Basics - Hands-On Programming with R [Book]
https://www.oreilly.com/library/view/hands-on-programming-with/9781449359089/ch01.html
The Very Basics This chapter provides a broad overview of the R language that will get you programming ... For example, you could do some basic arithmetic:
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40 R Built-in Functions - javatpoint
https://www.javatpoint.com/r-built-in-functions
Math Functions. R provides the various mathematical functions to perform the mathematical calculation. These mathematical functions are very helpful to find ...
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41 For Loops in R · Data Carpentry for Biologists
https://datacarpentry.org/semester-biology/materials/for-loops-R/
Basic for loop · Code in the loop will run once for each value in volumes · Everything between the curly brackets is executed each time through the loop · Code ...
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42 Calculate Square in R - R-bloggers
https://www.r-bloggers.com/2021/06/calculate-square-in-r/
Square in R, In this tutorial, will describe how to calculate the values of a data points to the power of two in R.... The post Calculate ...
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43 Raster Calculations in R - Subtract One Raster from Another ...
https://www.neonscience.org/resources/learning-hub/tutorials/dc-raster-calculations-r
This tutorial covers how to subtract one raster from another using basic raster math and the overlay() function.
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44 How to Calculate the Mode in R (With Examples) - Statology
https://www.statology.org/mode-in-r/
Statology is a site that makes learning statistics easy by explaining topics in simple and straightforward ways. Learn more about us. Statology ...
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45 Using R in Inventory Management and Demand Forecasting
https://rviews.rstudio.com/2022/10/20/projected-inventory-calculations-using-r-1/
How simple and fast could they be? And, could we do more than just the calculations? For example, could we get an analysis of the projected ...
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46 Coefficient of Determination (R²) | Calculation & Interpretation
https://www.scribbr.com/statistics/coefficient-of-determination/
The coefficient of determination is often written as R2, which is pronounced as “r squared.” For simple linear regressions, a lowercase r is ...
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47 How to divide 2 numbers in R? - ProjectPro
https://www.projectpro.io/recipes/divide-2-numbers-r
How to divide two numbers in R ? The division of two numbers is an arithmetic operation of dividing two numbers and storing the output in a ...
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48 Using R for Time Series Analysis
https://a-little-book-of-r-for-time-series.readthedocs.io/en/latest/src/timeseries.html
To use the SMA() function, you need to specify the order (span) of the simple moving average, using the parameter “n”. For example, to calculate a simple moving ...
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49 Chapter 2 Introduction to R - Applied Statistics with R
https://book.stat420.org/introduction-to-r.html
2.2 Basic Calculations. To get started, we'll use R like a simple calculator. Addition, Subtraction, Multiplication, and Division ...
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50 Compute and Add new Variables to a Data Frame in R
https://www.datanovia.com/en/lessons/compute-and-add-new-variables-to-a-data-frame-in-r/
.funs: List of function calls generated by funs() , or a character vector of function names, or simply a function. …: Additional ...
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51 Simple Interest Calculator A = P(1 + rt)
https://www.calculatorsoup.com/calculators/financial/simple-interest-plus-principal-calculator.php
Simple interest calculator with formulas and calculations to solve for principal, interest rate, number of ... First, converting R percent to r a decimal
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52 R Arithmetic Operators - Tutorial Gateway
https://www.tutorialgateway.org/r-arithmetic-operators/
The R Arithmetic operators include operators like Arithmetic Addition, Subtraction, Division, Multiplication, Exponent, Integer Division, and Modulus.
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53 Statistics Formulas - Stat Trek
https://stattrek.com/statistics/formulas
Statistics. Unless otherwise noted, these formulas assume simple random sampling. ... Permutations of n things, taken r at a time: nPr = n!
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54 R integration: basic calculations & graphs (Part2)
https://community.tableau.com/s/question/0D54T00000C5ibPSAR/r-integration-basic-calculations-graphs-part2
R integration: basic calculations & graphs (Part2) ... I'm successfully sending values to R and receiving the expected results of a basic calculation.
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55 probability distributions in R
http://www.columbia.edu/~cjd11/charles_dimaggio/DIRE/styled-4/styled-6/code/
And here is a quick R function for making these kinds of calculations. ... of probability in R. You basically draw a simple random permutation from a ...
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56 Basics of R Studio
https://www.jcu.edu.au/__data/assets/pdf_file/0004/1188310/R-Studio-Basics.pdf
Basic Commands in R Studio. Run a Command ... At its heart, R is a calculator and can accept any mathematical calculation directly into the console.
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57 How to calculate a rolling average in R - Storybench
https://www.storybench.org/how-to-calculate-a-rolling-average-in-r/
To calculate a simple moving average (over 7 days), we can use the rollmean() function from the zoo package. This function takes a k , which ...
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58 Practical Application for Programming in R: Operations & Data ...
https://study.com/academy/lesson/practical-application-for-programming-in-r-operations-data-structures-in-r-programming.html
have a basic understanding of R; know how to open the R console ... Let's gather some data and calculate the heating degree days for an ...
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59 Overview of formulas - Microsoft Support
https://support.microsoft.com/en-us/office/overview-of-formulas-34519a4e-1e8d-4f4b-84d4-d642c4f63263
Functions can be used to perform simple or complex calculations. ... Excel for the web indicates the location of a cell with an "R" followed by a row number ...
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60 24 Improving performance | Advanced R - Hadley Wickham
https://adv-r.hadley.nz/perf-improve.html
› perf-improve
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61 Stock Return Calculations in R - AWS
https://rstudio-pubs-static.s3.amazonaws.com/78839_afca73ae18194eaf8f1b86d399dde969.html
Calculate simple returns. If you denote by Pt the stock price at the end of month “t”, the simple return is given by: Rt = [ Pt - Pt-1 ]/ ...
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62 03. Calculations - pivottabler
http://www.pivottabler.org.uk/articles/v03-calculations.html
Calculations and Calculation Groups; Calculation Types; Basic Calculation Methods ... If format is an R function, then this is invoked for each value.
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63 3. The Basic Reproduction Number: R Naught
https://www.atrainceu.com/content/3-basic-reproduction-number-r-naught
The epidemiologic concept of R naught (R0) is much in the news of late. This number, the basic reproduction number, is being used to calculate COVID-19 ...
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64 How To Use na.rm In R - ProgrammingR
https://www.programmingr.com/tutorial/na-rm/
One way is the is.na() function involves simply detecting it. ... is a placeholder and not an actual numeric value, it cannot be included in calculations.
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65 How to Calculate Average in R - R-Lang
https://r-lang.com/how-to-calculate-average-in-r/
To calculate average in R, use the mean() function. The average is calculated by taking a sum of the input values and dividing by the number ...
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66 How to Calculate a Correlation - Dummies
https://www.dummies.com/article/academics-the-arts/math/statistics/how-to-calculate-a-correlation-169796/
... to find sx, you would use the following equation:\r\n\r\n \t\r\nFor each of ... You simply divide sy by sx and multiply the result by r.
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67 Linear Regression - MATLAB & Simulink - MathWorks
https://www.mathworks.com/help/matlab/data_analysis/linear-regression.html
Evaluate the goodness of fit by plotting residuals and looking for patterns. Calculate measures of goodness of fit R2 and adjusted R2. Simple Linear Regression.
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68 MPN Calculator: Tutorial 1
https://mserre.sph.unc.edu/BMElab_web/MPNcalculator/tutorialoneR.doc
The R is a free software for statistical computing. ... R) into this directory; To load the function to calculate MPN, type source(“calcmpn.
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69 Definition, Formula, Calculate R Squared - WallStreetMojo
https://www.wallstreetmojo.com/r-squared-formula/
R Squared Formula · r = The Correlation coefficient · n = number in the given dataset · x = first variable in the context · y = second variable ...
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70 2.6 - (Pearson) Correlation Coefficient r | STAT 462
https://online.stat.psu.edu/stat462/node/96/
If the estimated slope b1 of the regression line is 0, then the correlation coefficient r must also be 0. That's enough with the formulas! As always, we will ...
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71 Calculating correlation coefficient r (video) - Khan Academy
https://www.khanacademy.org/math/ap-statistics/bivariate-data-ap/correlation-coefficient-r/v/calculating-correlation-coefficient-r
› ... › Correlation
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72 Probability Distributions in R (Stat 5101, Geyer)
https://www.stat.umn.edu/geyer/old/5101/rlook.html
For a continuous distribution (like the normal), the most useful functions for doing problems involving probability calculations are the " p " and " q " ...
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73 R Programming For Data Science - Analytics Vidhya
https://www.analyticsvidhya.com/blog/2016/02/complete-tutorial-learn-data-science-scratch/
A Complete tutorial to learn r for data science that covers machine ... with R coding environment, start with some basic calculations.
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74 How to Find Min and Max Values Using the Range Function
https://betterdatascience.com/range-in-r/
Actually, a range is a difference between the maximum and minimum values in a vector, but calculating the range in R reports only the ...
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75 Table of Useful R commands
https://sites.calvin.edu/scofield/courses/m143/materials/RcmdsFromClass.pdf
example(). View some examples on the use of a command c(), scan(). Enter data manually to a vector in R seq(). Make arithmetic progression vector.
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76 Compound Interest - Math is Fun
https://www.mathsisfun.com/money/compound-interest.html
A simple job, with lots of calculations. ... (This is the same as above, but with PV = $1,000, r = 0.10, n = 5, ... r = annual interest rate
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77 Sum Function in R - sum() - DataScience Made Simple
https://www.datasciencemadesimple.com/sum-function-in-r/
Sum function in R - sum(), is used to calculate the sum of vector elements. Syntax for R sum function : sum(x, na.rm = FALSE, ...) x – numeric vector rm- .
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78 Dates and Times in R - Berkeley Statistics
https://www.stat.berkeley.edu/~s133/dates.html
The general rule for date/time data in R is to use the simplest ... are properly read into R, a variety of calculations can be performed:
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79 How Do You Calculate R-Squared in Excel? - Investopedia
https://www.investopedia.com/ask/answers/012615/how-do-you-calculate-rsquared-excel.asp
Calculate R-squared in Microsoft Excel by creating two data ranges to ... The simplest way is to get two data sets and use the built-in R-squared formula.
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80 Calculating the Correlation Coefficient - ThoughtCo
https://www.thoughtco.com/how-to-calculate-the-correlation-coefficient-3126228
The closer that the absolute value of r is to one, the better that the data are described by a linear equation. If r =1 or r = -1 then the ...
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81 Calculator - Apps on Google Play
https://play.google.com/store/apps/details?id=apps.r.calculator&hl=en_US&gl=US
Calculator allows you to perform simple and complex math tasks in a beautifully designed application. It includes history, real time graphing, ...
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82 Regression with Two Independent Variables
http://faculty.cas.usf.edu/mbrannick/regression/Reg2IV.html
With one independent variable, we may write the regression equation as: ... Now R2 is for the multiple correlation rather than the simple correlation that ...
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83 How to Calculate Interest Earned on a Savings Account
https://www.capitalone.com/bank/money-management/banking-basics/how-to-calculate-savings-interest/
Simple interest1. A = P x R x T. Compound interest2. A = P(1 + R/N)NT. You may recognize the equation from high school algebra—remember when ...
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84 Simple Interest Calculator - Math Expression
https://www.mathexpression.com/simple-interest-calculator.html
How to use this calculator. Choose whether you want to calculate simple interest (I), principal (P), interest rate (r) or duration/period (t).
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85 Excel LINEST function with formula examples - Ablebits
https://www.ablebits.com/office-addins-blog/excel-linest-function/
The function uses the least squares method to find the best fit for your data. The equation for the line is as follows. Simple linear regression ...
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86 Producing Simple Graphs with R
https://sites.harding.edu/fmccown/r/
First we'll produce a very simple graph using the values in the car ... 6, 4, 9) trucks <- c(2, 5, 4, 5, 12) # Calculate range from 0 to max ...
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87 gogonzo/runner: R package performing simple running ...
https://github.com/gogonzo/runner
User can also put data.frame into x argument and apply functions which involve multiple columns. In example below we calculate beta parameter of lm model on 1, ...
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88 Relationship Between r and R-squared in Linear Regression
https://quantifyinghealth.com/relationship-between-r-and-r-squared/
R-squared vs r in the case of multiple linear regression. In simple linear regression we had 1 independent variable X and 1 dependent variable Y, so calculating ...
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89 How To Calculate R-Value? (Formula + Units) - LearnMetrics
https://learnmetrics.com/calculating-r-value-how-to-calculate-r-value-formula-units/
R-value or thermal Resistance is the basic metric for insulation materials in construction. This R-value is calculated based on several measurements that ...
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90 What is a Correlation Coefficient? The r Value in Statistics ...
https://www.freecodecamp.org/news/what-is-a-correlation-coefficient-r-value-in-statistics-explains/
Although this was a simple example, it is always best to use simple examples for demonstration purposes. It shows our equation does indeed work, ...
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91 Simple Interest - Definition, Formula, Examples, FAQs - Cuemath
https://www.cuemath.com/commercial-math/simple-interest/
Simple interest is a method to calculate the amount of interest charged on a ... Simple interest is calculated with the following formula: S.I. = P × R × T, ...
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92 Simple Linear Regression
https://www.colorado.edu/amath/sites/default/files/attached-files/ch12.pdf
The quantity ε in the model equation is the ERROR -- a ... simple linear regression model in explaining y variation. r.
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93 Aggregate in R - R Coder
https://r-coder.com/aggregate-r/
Using aggregate in R is very simple and it is worth to mention that you can ... Hence, you can calculate the quantiles 5% and 95% for the returns of each ...
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94 Correlation Coefficient Calculator (and covariance)
https://www.statskingdom.com/correlation-calculator.html
Perfect correlation - When you know the value of one variable you may calculate the exact value of the second variable. For a perfect positive correlation r ...
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