Publications by ELA ILMATUL HIDAYAH
MATRIX ARITMATIC
library(magick) ## Linking to ImageMagick 6.9.12.3 ## Enabled features: cairo, freetype, fftw, ghostscript, heic, lcms, pango, raw, rsvg, webp ## Disabled features: fontconfig, x11 str(magick::magick_config()) ## List of 24 ## $ version :Class 'numeric_version' hidden list of 1 ## ..$ : int [1:4] 6 9 12 3 ## $ modules ...
109 sym R (1576 sym/12 pcs) 4 img
MATRIX ARYTHMATHIC
Membuat Dataset Sederhana set.seed(123) a <- rnorm(7) b <- rnorm(7) c <- rnorm(7) my_data <- data.frame(a,b,c) Menghitung Rata-Rata dan Standar Deviasi mean_my_data <- colMeans(my_data) sd_my_data <- apply(my_data, 2, sd) Menghitung Matriks Kovariansi dari Dataset cov_my_data <- cov(my_data) Invers matriks kovariansi dapat digunakan untuk mela...
373 sym 4 img
SOLVE FUNCTION
contoh dari penggunaan fungsi solve(). library(ISLR) library(matlib) A <- matrix(c(1,2,1,1), nrow = 2, ncol = 2) x <- c(4,5) A ## [,1] [,2] ## [1,] 1 1 ## [2,] 2 1 x ## [1] 4 5 fungsi Solve(A,b) dapat digunakan untuk mengetahui nilai dari variable x. Solve(A,x) ## x1 = 1 ## x2 = 3 Sistem persamaan linear diatas dapa...
386 sym R (970 sym/22 pcs) 1 img
EIGEN
Pertama kita memanggil library “mvtnorm”, Library “mvtnorm” di R digunakan untuk menghitung probabilitas distribusi multivariat normal. Dengan kata lain, library ini menyediakan fungsi-fungsi untuk menghasilkan nilai-nilai probabilitas, densitas, dan fungsi distribusi kumulatif dari distribusi multivariat normal. Fungsi-fungsi ini serin...
1898 sym R (502 sym/11 pcs) 1 img
INVERS
Sifat-Sifat Operasi Matriks dan Invers Matriks library (matlib) X <- matrix(c(5,-1,-2,3,4,3,4,-3,1), nrow = 3, ncol = 3) plotEqn(X) ## 5*x[1] + 3*x[2] = 4 ## -x[1] + 4*x[2] = -3 ## -2*x[1] + 3*x[2] = 1 Kemudian kita balik matrix tersebut B <-inv(X) B ## [,1] [,2] [,3] ## [1,] 0.12264151 0.08490566 -0.235...
128 sym R (681 sym/9 pcs) 2 img
Persamaan Linear Algebra
kita akan menggunakan fungsi plot() di R. Pertama kita akan mengekstrak informasi tentang jumlah vektor baris (angka pengamatan) dan jumlah kolom matriks “Smarket”. library(ISLR) data(Smarket) Smarket ## Year Lag1 Lag2 Lag3 Lag4 Lag5 Volume Today Direction ## 1 2001 0.381 -0.192 -2.624 -1.055 5.010 1.19130 0.959 ...
460 sym R (92700 sym/4 pcs) 2 img
elailmatulhidayah_220605110040
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 with...
598 sym 1 img
percobaanRPubs2
library(mosaic) ## Registered S3 method overwritten by 'mosaic': ## method from ## fortify.SpatialPolygonsDataFrame ggplot2 ## ## The 'mosaic' package masks several functions from core packages in order to add ## additional features. The original behavior of these functions should not be affected by this. #...
15 sym R (1105 sym/11 pcs) 1 img
percobaanRPubs2
library(mosaic) ## Registered S3 method overwritten by 'mosaic': ## method from ## fortify.SpatialPolygonsDataFrame ggplot2 ## ## The 'mosaic' package masks several functions from core packages in order to add ## additional features. The original behavior of these functions should not be affected by this. #...
15 sym R (1100 sym/11 pcs) 1 img
percobaanRPubs3
library(mosaicCalc) ## Loading required package: mosaic ## Registered S3 method overwritten by 'mosaic': ## method from ## fortify.SpatialPolygonsDataFrame ggplot2 ## ## The 'mosaic' package masks several functions from core packages in order to add ## additional features. The original behavior of these fun...
20 sym R (1254 sym/16 pcs) 1 img