Rangkuman3

Kalkulus by Prof. Dr. SUHARTONO, M.Kom ||Izza Syahri Muharram _ 220605110073 || Teknik Informatika || UIN Maulana Malik Ibrahim Malang ## R Markdown

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summary(cars)

##      speed           dist       
##  Min.   : 4.0   Min.   :  2.00  
##  1st Qu.:12.0   1st Qu.: 26.00  
##  Median :15.0   Median : 36.00  
##  Mean   :15.4   Mean   : 42.98  
##  3rd Qu.:19.0   3rd Qu.: 56.00  
##  Max.   :25.0   Max.   :120.00

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parameter adalah angka yang mengatur bentuk fungsi, tetapi dapat diatur secara sewenang-wenang dan masih cocok dengan data. Parameter hiper tidak disetel langsung oleh data. contohnya seperti data di atas yang menunjukkan data usia dan tinggi pohon pinus

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 functions should not be affected by this.

## 
## Attaching package: 'mosaic'

## The following objects are masked from 'package:dplyr':
## 
##     count, do, tally

## The following object is masked from 'package:Matrix':
## 
##     mean

## The following object is masked from 'package:ggplot2':
## 
##     stat

## The following objects are masked from 'package:stats':
## 
##     binom.test, cor, cor.test, cov, fivenum, IQR, median, prop.test,
##     quantile, sd, t.test, var

## The following objects are masked from 'package:base':
## 
##     max, mean, min, prod, range, sample, sum

## Loading required package: mosaicCore

## 
## Attaching package: 'mosaicCore'

## The following objects are masked from 'package:dplyr':
## 
##     count, tally

## 
## Attaching package: 'mosaicCalc'

## The following object is masked from 'package:stats':
## 
##     D

library(mosaic)
gf_point(height ~ age, data=datasets::Loblolly)

Beberapa pinus berusia tiga tahun dengan tinggi yang sangat mirip diukur dan dilacak dari waktu ke waktu: usia lima tahun, usia sepuluh tahun, dan seterusnya. Pohon-pohon berbeda satu sama lain, tetapi semuanya sangat mirip dan menunjukkan pola sederhana: pertumbuhan linier pada awalnya yang tampaknya menurun seiring waktu. Note that the echo = FALSE parameter was added to the code chunk to prevent printing of the R code that generated the plot.

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Definisi fungsi-fungsi ini mungkin tampak aneh pada awalnya — mereka sepenuhnya ditentukan oleh data: tidak ada parameter! Meskipun demikian, mereka adalah fungsi asli dan dapat bekerja dengan seperti fungsi lainnya.

library(mosaicCalc)
Cherry <- datasets::trees
gf_point(Volume ~ Girth, data = Cherry)

library(xlsx)
library(mosaicCalc)
g1 = spliner(Volume ~ Girth, data = Cherry)

## Warning in regularize.values(x, y, ties, missing(ties)): collapsing to unique
## 'x' values

g2 = connector(Volume ~ Girth, data = Cherry)

## Warning in regularize.values(x, y, ties, missing(ties), na.rm = na.rm):
## collapsing to unique 'x' values

slice_plot(g1(x) ~ x, domain(x = 8:18)) %>%
  slice_plot(g2(x) ~ x, color ="red") %>%
  gf_point(Volume ~ Girth, data = Cherry) %>%
  gf_labs(x = "Girth (inches)")

Masing-masing fungsi bersikeras melewati setiap titik data. (Satu-satunya pengecualian adalah dua titik dengan keliling 13 inci. Tidak ada fungsi yang dapat melewati kedua titik dengan keliling 13, jadi fungsi membagi selisih dan melewati rata-rata dari dua titik.)

g4 <- smoother(Volume ~ Girth, data=Cherry, span=1.0)
gf_point(Volume~Girth, data = Cherry) %>%
  slice_plot(g4(Girth) ~ Girth) %>%
  gf_labs(x = "Girth (inches)", y = "Wood volume")

Smoother diberi nama yang baik: mereka membangun fungsi smooth yang mendekati data. Anda memiliki kendali atas seberapa mulus fungsi tersebut. Parameter hiper spanmengatur ini:

library(devtools)

## Loading required package: usethis

g5 <- smoother(Volume ~ Girth+Height, 
               data = Cherry, span = 1.0)
gf_point(Height ~ Girth, data = Cherry) %>%
  contour_plot(g5(Girth, Height) ~ Girth + Height) %>%
  gf_labs(x = "Girth (inches)", 
          y = "Height (ft)", 
          title = "Volume (ft^3)")

Daftar pustaka 1. https://github.com/ProjectMOSAIC/mosaicCalc 2. https://kolonginfo.com/belajar-r-markdown-pada-rstudio/ 3. https://dtkaplan.github.io/RforCalculus/index.html?fbclid=IwAR1d_WcAeawvUaBnLKlkRoO2sV4b-6nRX0eNR3DT457DKN7NJV8NV0giSLo