Publications by Mengjie Pan
HW 1
Part 1 library("readxl") library("Hmisc") ## Loading required package: lattice ## Loading required package: survival ## Loading required package: Formula ## Loading required package: ggplot2 ## ## Attaching package: 'Hmisc' ## The following objects are masked from 'package:base': ## ## format.pval, units library("lmPerm") library("corrplot"...
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HW2
1. Data cleanup, including decision to remove/drop records (if applicable); data <- read.csv("~/Desktop/Big data and Econometrics/Building_Permits.csv") head(data) ## Assessor.Book Assessor.Page Assessor.Parcel ## 1 2354 016 056 ## 2 5017 025 015 ## 3 5478 017 ...
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Week 4 Discussion: : Compare Auto.Arima Model and ETS Model
library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ── ## ✓ ggplot2 3.3.5 ✓ purrr 0.3.4 ## ✓ tibble 3.1.6 ✓ dplyr 1.0.8 ## ✓ tidyr 1.2.0 ✓ stringr 1.4.0 ## ✓ readr 2.1.2 ✓ f...
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Assignment 1 Chapter 3&7
When i try to knit it, it always says that can’t find the package, but i can operate it well in R. So i think it’s better for me to submit the rmd file. Sorry for the inconvenience. Although this week’s assignment really drives me crazy, I tried my best and never give up. library(tidyverse) ## ── Attaching packages ───────...
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HW2
library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(tidyverse) ## ── Attaching packages ──────────────────────...
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FINAL
library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ── ## ✓ ggplot2 3.3.5 ✓ purrr 0.3.4 ## ✓ tibble 3.1.6 ✓ dplyr 1.0.8 ## ✓ tidyr 1.2.0 ✓ stringr 1.4.0 ## ✓ readr 2.1.2 ✓ f...
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HW 3 Time Series
library("feasts") ## Loading required package: fabletools library("seasonal") library("tsibble") ## ## Attaching package: 'tsibble' ## The following objects are masked from 'package:base': ## ## intersect, setdiff, union library("tsibbledata") library("dplyr") ## ## Attaching package: 'dplyr' ## The following objects are masked from 'packa...
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