Publications by Arvind Sharma
in_class_Rmarkdown_demonstration
1 Data Lets try to import data into R using the base command using data() command that loads specified data sets, or list the available data sets. 1.1 Time Series Data Longley’s Economic Regression Data - a macroeconomic data set which provides a well-known example for a highly collinear regression. A data frame with 7 economical variables, obse...
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data_types
1 Cross Section Data 1.1 Infidelity data Variables Description # install.packages("AER") library("AER") ## Loading required package: car ## Loading required package: carData ## Loading required package: lmtest ## Loading required package: zoo ## ## Attaching package: 'zoo' ## The following objects are masked from 'package:base': ## ## as.Dat...
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data_types_appendum
1 R Inbuilt Data No need to install/load any package. datasets are already pre-installed. ?datasets() library(help = "datasets") ?swiss # give information on data set 'swiss' help(USArrests) # give information on data set 'USArrests' You will find some code that can be used to create graphs in the help files....
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MathReview
Table of contents 1 Theory 2 Implementation in R 2.1 Matrix A 2.1.1 Alternative ways to create a matrix 2.2 RConics for adjugate of a matrix 2.3 Matrix B 2.4 Matrix C 2.5 Matrix D 2.6 Matrix E 2.6.1 NA values Math Review # Clear the work space rm(list = ls()) # Clear environment gc() # Clear unused memory used (Mb...
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OLS_matrixVSlm
Table of contents 1 Introduction 2 Data 2.1 Estimating Equation 3 Model 3.1 Setup 3.2 Derivation 4 Implementation: Matrix Algebra 5 Implementation: lm() command 5.1 Interpretation 6 Supplementary 7 Standard Errors Intuition 8 Calculating Standard Errors 9 References OLS: From Scratch using Matrix Algebra in R 1 Introduction One of the very...
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R_Markdown_TypingMathEquations
Can replace ‘html_document’ with ‘pdf_document’ in the .Rmd (Rmarkdown) file above manually to generate the output in your preferred format. However, I would strongly suggest using HTML format initially as the setup is likely to reduce math symbol issues if you do not have Latex installed locally. Also, make sure to change the settings of t...
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log_time_series_for_better_fit
?datasets library(help = "datasets") ?UKgas Quarterly UK gas consumption from 1960Q1 to 1986Q4, in millions of therms. df <- UKgas plot(df) plot(log(df)) Fitting the best fit line through the logged time series gives a much better fit....
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BEA_API
https://github.com/us-bea/bea.R 1 Set Up # Clear the workspace rm(list = ls()) # Clear environment -remove all files from your workspace gc() # Clear unused memory ## used (Mb) gc trigger (Mb) limit (Mb) max used (Mb) ## Ncells 527654 28.2 1172937 62.7 NA 669291 35.8 ## Vcells 969134 7.4 8388608 64.0 3...
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Final MH Research 05122024
R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. When you click the Knit button a document will be generated that includes both content as well as the output of any embedded R code chunks within the...
683 sym R (63756 sym/88 pcs) 12 img
Final MH Research
R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. When you click the Knit button a document will be generated that includes both content as well as the output of any embedded R code chunks within the...
683 sym R (70843 sym/88 pcs) 12 img