Scraping

Instalación

install.packages("quantmod")

## Installing package into '/cloud/lib/x86_64-pc-linux-gnu-library/4.3'
## (as 'lib' is unspecified)

Ejecución de la libreria

library("quantmod")

## Loading required package: xts

## Loading required package: zoo

## 
## Attaching package: 'zoo'

## The following objects are masked from 'package:base':
## 
##     as.Date, as.Date.numeric

## Loading required package: TTR

## Registered S3 method overwritten by 'quantmod':
##   method            from
##   as.zoo.data.frame zoo

Scraping a Microsoft

apple_df <- getSymbols('MSFT', src='yahoo', auto.assign=FALSE)

apple_df

##            MSFT.Open MSFT.High MSFT.Low MSFT.Close MSFT.Volume MSFT.Adjusted
## 2007-01-03     29.91     30.25    29.40      29.86    76935100      21.52599
## 2007-01-04     29.70     29.97    29.44      29.81    45774500      21.48994
## 2007-01-05     29.63     29.75    29.45      29.64    44607200      21.36738
## 2007-01-08     29.65     30.10    29.53      29.93    50220200      21.57645
## 2007-01-09     30.00     30.18    29.73      29.96    44636600      21.59808
## 2007-01-10     29.80     29.89    29.43      29.66    55017400      21.38180
## 2007-01-11     29.76     30.75    29.65      30.70    99464300      22.13154
## 2007-01-12     30.65     31.39    30.64      31.21   103972500      22.49919
## 2007-01-16     31.26     31.45    31.03      31.16    62379600      22.46315
## 2007-01-17     31.26     31.44    31.01      31.10    58519600      22.41990
##        ...                                                                  
## 2023-07-10    334.60    335.23   327.59     331.83    32791400     331.82999
## 2023-07-11    331.06    332.86   327.00     332.47    26698200     332.47000
## 2023-07-12    336.60    341.65   335.67     337.20    29995300     337.20001
## 2023-07-13    339.56    343.74   339.02     342.66    20567200     342.66000
## 2023-07-14    347.59    351.43   344.31     345.24    28302200     345.23999
## 2023-07-17    345.68    346.99   342.20     345.73    20363900     345.73001
## 2023-07-18    345.83    366.78   342.17     359.49    64872700     359.48999
## 2023-07-19    361.75    362.46   352.44     355.08    39732900     355.07999
## 2023-07-20    353.57    357.97   345.37     346.87    33778400     346.87000
## 2023-07-21    349.15    350.30   339.83     343.77    69368900     343.76999

Grafica

chartSeries(apple_df, name="MSFT", subset="last 6 months", theme=chartTheme("white"))