Publications by Nikita Indriyani
Assignment 5
1 Your Exercise In this section, you are expected to be more confident to create your own function. Here I advise you to create a function for each tasks bellow: Univariate variable (one dimension) average average<- function(x) { sum(x)/length(x) } x<-c(14,11,1,03,09,7) average(x) ## [1] 7.5 mi...
802 sym R (11705 sym/46 pcs)
RBasics
A. Creating Vectors In this section, you are expected to be able to shape data in vectors, perform basic mathematical operations, and also manipulate vectors. Exercise 1 Create a vector A containing numeric values, starting from the last 2 digits of your student id up to 30. (09:30) ## [1] 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 2...
13282 sym R (8910 sym/54 pcs) 1 img
Assignment 4
1 Generate Data frame Suppose you are a data scientist, and you get a project at a start-up company, for instance Kopi Kenangan. Let’s say, you are asking to generate the collection of any possible data set from their daily sales. If I asking you: what kind of data set that you can generate?. Here, I assume you want to provide them the followin...
2645 sym R (2031428 sym/52 pcs) 1 img
UAS
Email: nikitaindriyni@gmail.com RPubs: https://rpubs.com/nikitaindriyani/ library(rfm) library(treemap) library(gridExtra) library(glue) library(plotly) ## Loading required package: ggplot2 ## ## Attaching package: 'plotly' ## The following object is masked from 'package:ggplot2': ## ## last_plot ## The following object is masked f...
9130 sym R (42319 sym/147 pcs) 5 img
Assignment 10
Salah satu keterampilan paling mendasar untuk Seorang Ilmuwan Data adalah Persiapan Data (Manipulasi Data). Agar benar-benar efektif, Anda harus ahli dalam melakukan manipulasi data penting. Ini karena proporsi pekerjaan Anda yang sangat besar hanya akan melibatkan mendapatkan dan membersihkan data. Ilmuwan data menghabiskan 60% dari waktu merek...
12167 sym R (106327 sym/108 pcs) 1 img
Assignment 13
Email: nikitaindriyni@gmail.com RPubs: https://rpubs.com/datazerotohero/ Github: https://github.com/datazerotohero/ Visualisasi data adalah teknisi mengambil informasi dari data ke dalam konteks visual, seperti bagan, grafik, dan peta. Visualisasi data dimungkinkan untuk menangani data besar yang kecil dan peristiwa menjadi lebih mudah dipaham...
104686 sym R (28260 sym/52 pcs) 48 img
Sistem Data Base - Assignment 1
“TUGAS 1” 1.Buatlah artikel mengenai sejarah perkembangan sistem basis data (dari awal hingga saat ini) Jawaban Konsep basis data (database) berawal dari proses penyimpanan berkas secara manual. Sistem pemrosesan manual (berbasis kertas) merupakan bentuk pemrosesan yang menggunakan dasar berupa setumpuk data yang disimpan pada lemari arsip. J...
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Assignment 4
library(MASS) library(ISLR) library(DT) library(tidyverse) ## -- Attaching packages --------------------------------------- tidyverse 1.3.0 -- ## v ggplot2 3.3.3 v purrr 0.3.4 ## v tibble 3.0.6 v dplyr 1.0.4 ## v tidyr 1.1.2 v stringr 1.4.0 ## v readr 1.4.0 v forcats 0.5.1 ## -- Conflicts ---------------------------...
3032 sym R (2889 sym/25 pcs)
Assignment 2
Email : nikitaindriyni@gmail.com Instagram : https://www.instagram.com/nikitaindriyni RPubs : https://rpubs.com/nikitaindriyani/ Address : ARA Center, Matana University Tower Jl. CBD Barat Kav, RT.1, Curug Sangereng, Kelapa Dua, Tangerang, Banten...
41326 sym R (6687 sym/55 pcs) 13 img
Econometric_Assignment10
pacman::p_load(fpp3, tidyverse, tsibble, fable, feasts, tsibbledata) 1 Use the help function to explore what the series gafa_stock, PBS, vic_elec and peltrepresent. help("gafa_stock") ## starting httpd help server ... done help("PBS") help("vic_elec") help("pelt") ...
7473 sym R (9143 sym/80 pcs) 42 img