Publications by Calvin Riswandi (20214920003)

UAS Matematika Aktuaria

30.05.2024

#input library library(plotly) ## Loading required package: ggplot2 ## ## Attaching package: 'plotly' ## The following object is masked from 'package:ggplot2': ## ## last_plot ## The following object is masked from 'package:stats': ## ## filter ## The following object is masked from 'package:graphics': ## ## layout library(ggplot2) ...

1146 sym R (16590 sym/43 pcs) 4 img

UAS Ekonometrika

26.05.2024

Nomor 1 Input Data # masukan library yang diperlukan library(forecast) ## Registered S3 method overwritten by 'quantmod': ## method from ## as.zoo.data.frame zoo library(ggplot2) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects ...

1714 sym R (15393 sym/59 pcs) 9 img

Analisis Regresi vs Time Series

06.05.2024

Soal 1 Develop a regression model to understand the relationship between sales revenue and various predictors such as promotional spending, pricing, and external factors. # Load required libraries # Load required libraries library(tidyverse) ## ── Attaching core tidyverse packages ─────────────────────�...

1896 sym R (7977 sym/45 pcs)

Tugas Ekonometrika 10

28.04.2024

Install Packages pacman::p_load(tidyverse, tidyquant, tidyr, caret, leaflet, rpart, class, DT, timetk, forcats, plotly, hrbrthemes, corrplot, tint, ...

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UTS Permodelan dan teori Risiko

22.03.2024

Consider a portfolio consisting of five stocks from different sectors in Indonesia and analyze the diversification benefits of combining stocks. Your answer should cover at least the following steps: a. Use quantmod for downloading stock data. library(quantmod) ## Loading required package: xts ## Loading required package: zoo ## ## Attaching pack...

3912 sym R (18724 sym/54 pcs) 3 img

Tugas 1 Ekonometrik

19.02.2024

Kasus I Import Data set.seed(123) n <- 10000 pdb <- rnorm(n, mean=1000, sd=200) x <- 10 - 0.05 * pdb + rnorm(n, mean=0, sd=2) data <- data.frame(PDB=pdb, Tingkat_Pengangguran=x) head(data, 5) ## PDB Tingkat_Pengangguran ## 1 887.9049 -29.65379 ## 2 953.9645 -38.03185 ## 3 1311.7417 -53.73316 ## 4 1014.1...

1665 sym R (3304 sym/14 pcs) 2 img

Permodelan dan Teori Resiko (Tugas1)

11.02.2024

Email             : calvin.riswandi@student.matanuniversity.ac.id RPubs            : https://rpubs.com/calvinriswandy/ Jurusan          : Statistika Bisnis Address         : ARA Center, Matana University Tower                          Jl. CBD Barat Kav, RT.1, Curug Sangereng, Kelapa Dua, Tangerang, Banten ...

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UAS Optimasi

17.12.2023

Final-test Optimasi Library Pendahuluan Proses Optimalisasi Portofolio Import data Membuat portofolio Melakukan optimasi menggunakan 5000 portofolio acak Visualisasi Data Calvin Riswandi December 17, 2023 Code Show All Code Hide All Code Final-test Optimasi Optimalisasi Portofolio Crypto *Kontak *\(\downarrow...

3902 sym Python (8328 sym/38 pcs) 10 tbl

Tugas 6

11.04.2023

Email             : calvin.riswandi@student.matanuniversity.ac.id RPubs            : https://rpubs.com/calvinriswandy/ Jurusan          : Statistika Bisnis Address         : ARA Center, Matana University Tower                          Jl. CBD Barat Kav, RT.1, Curug Sangereng, Kelapa Dua, Tangerang, Banten ...

10364 sym Python (4512 sym/26 pcs) 16 img

UTS Komputasi Statistika

26.03.2023

1 Soal 1 Jika diketahui jumlah penjualan sebuah produk A berdistribusi normal dengan rata-rata 250 unit per-hari dengan standar deviasi 10 unit. Maka, berapakah peluang pada suatu hari hasil penjualan dengan kondisi : Lebih besar dari 268 unit ? Di antara 245 - 260 unit ? # diketahui ratarata = 250 #unit standardeviasi = 10 #unit 1.1 lebih b...

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