atomic vector error in R for $ symbol. Please find reproducible example below





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}







-1















I am receiving an error when I run the last line of this code



# Load relevant packages
library("httr")
library("XML")
library("stringr")
library("ggplot2")

# Define image source
img.url = 'https://www.whitehouse.gov/sites/whitehouse.gov/files/images/first-family/44_barack_obama[1].jpg'
# Define Microsoft API URL to request data
URL.emoface = 'https://westus.api.cognitive.microsoft.com/emotion/v1.0/recognize'

# Define access key (access key is available via: https://www.microsoft.com/cognitive-services/en-us/emotion-api)
emotionKEY = 'xxx'

# Define image
mybody = list(url = img.url)

# Request data from Microsoft
faceEMO = POST(
url = URL.emoface,
content_type('application/json'), add_headers(.headers = c('Ocp-Apim-Subscription-Key' = emotionKEY)),
body = mybody,
encode = 'json'
)

# Show request results (if Status=200, request is okay)
faceEMO

# Reuqest results from face analysis
Obama = httr::content(faceEMO)[[1]]
Obama
# Define results in data frame
o<-as.data.frame(as.matrix(Obama$scores))


The error I receive after running o is
Error in Obama$scores : $ operator is invalid for atomic vectors










share|improve this question































    -1















    I am receiving an error when I run the last line of this code



    # Load relevant packages
    library("httr")
    library("XML")
    library("stringr")
    library("ggplot2")

    # Define image source
    img.url = 'https://www.whitehouse.gov/sites/whitehouse.gov/files/images/first-family/44_barack_obama[1].jpg'
    # Define Microsoft API URL to request data
    URL.emoface = 'https://westus.api.cognitive.microsoft.com/emotion/v1.0/recognize'

    # Define access key (access key is available via: https://www.microsoft.com/cognitive-services/en-us/emotion-api)
    emotionKEY = 'xxx'

    # Define image
    mybody = list(url = img.url)

    # Request data from Microsoft
    faceEMO = POST(
    url = URL.emoface,
    content_type('application/json'), add_headers(.headers = c('Ocp-Apim-Subscription-Key' = emotionKEY)),
    body = mybody,
    encode = 'json'
    )

    # Show request results (if Status=200, request is okay)
    faceEMO

    # Reuqest results from face analysis
    Obama = httr::content(faceEMO)[[1]]
    Obama
    # Define results in data frame
    o<-as.data.frame(as.matrix(Obama$scores))


    The error I receive after running o is
    Error in Obama$scores : $ operator is invalid for atomic vectors










    share|improve this question



























      -1












      -1








      -1








      I am receiving an error when I run the last line of this code



      # Load relevant packages
      library("httr")
      library("XML")
      library("stringr")
      library("ggplot2")

      # Define image source
      img.url = 'https://www.whitehouse.gov/sites/whitehouse.gov/files/images/first-family/44_barack_obama[1].jpg'
      # Define Microsoft API URL to request data
      URL.emoface = 'https://westus.api.cognitive.microsoft.com/emotion/v1.0/recognize'

      # Define access key (access key is available via: https://www.microsoft.com/cognitive-services/en-us/emotion-api)
      emotionKEY = 'xxx'

      # Define image
      mybody = list(url = img.url)

      # Request data from Microsoft
      faceEMO = POST(
      url = URL.emoface,
      content_type('application/json'), add_headers(.headers = c('Ocp-Apim-Subscription-Key' = emotionKEY)),
      body = mybody,
      encode = 'json'
      )

      # Show request results (if Status=200, request is okay)
      faceEMO

      # Reuqest results from face analysis
      Obama = httr::content(faceEMO)[[1]]
      Obama
      # Define results in data frame
      o<-as.data.frame(as.matrix(Obama$scores))


      The error I receive after running o is
      Error in Obama$scores : $ operator is invalid for atomic vectors










      share|improve this question
















      I am receiving an error when I run the last line of this code



      # Load relevant packages
      library("httr")
      library("XML")
      library("stringr")
      library("ggplot2")

      # Define image source
      img.url = 'https://www.whitehouse.gov/sites/whitehouse.gov/files/images/first-family/44_barack_obama[1].jpg'
      # Define Microsoft API URL to request data
      URL.emoface = 'https://westus.api.cognitive.microsoft.com/emotion/v1.0/recognize'

      # Define access key (access key is available via: https://www.microsoft.com/cognitive-services/en-us/emotion-api)
      emotionKEY = 'xxx'

      # Define image
      mybody = list(url = img.url)

      # Request data from Microsoft
      faceEMO = POST(
      url = URL.emoface,
      content_type('application/json'), add_headers(.headers = c('Ocp-Apim-Subscription-Key' = emotionKEY)),
      body = mybody,
      encode = 'json'
      )

      # Show request results (if Status=200, request is okay)
      faceEMO

      # Reuqest results from face analysis
      Obama = httr::content(faceEMO)[[1]]
      Obama
      # Define results in data frame
      o<-as.data.frame(as.matrix(Obama$scores))


      The error I receive after running o is
      Error in Obama$scores : $ operator is invalid for atomic vectors







      r debugging operators






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 25 '18 at 4:20







      codeybanks

















      asked Nov 25 '18 at 3:43









      codeybankscodeybanks

      465




      465
























          1 Answer
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          0














          Assuming "Obama" is json content structured as the demo example on https://azure.microsoft.com/de-de/services/cognitive-services/emotion/, your could define your output dataframe like this:



          # Define results in data frame
          o <- data.frame(
          value_face_emotion = sapply(
          names(Obama[[1]]$scores)
          ,function(emotion_name) Obama[[1]]$scores[emotion_name][[1]]));





          share|improve this answer
























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            1 Answer
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            active

            oldest

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            0














            Assuming "Obama" is json content structured as the demo example on https://azure.microsoft.com/de-de/services/cognitive-services/emotion/, your could define your output dataframe like this:



            # Define results in data frame
            o <- data.frame(
            value_face_emotion = sapply(
            names(Obama[[1]]$scores)
            ,function(emotion_name) Obama[[1]]$scores[emotion_name][[1]]));





            share|improve this answer




























              0














              Assuming "Obama" is json content structured as the demo example on https://azure.microsoft.com/de-de/services/cognitive-services/emotion/, your could define your output dataframe like this:



              # Define results in data frame
              o <- data.frame(
              value_face_emotion = sapply(
              names(Obama[[1]]$scores)
              ,function(emotion_name) Obama[[1]]$scores[emotion_name][[1]]));





              share|improve this answer


























                0












                0








                0







                Assuming "Obama" is json content structured as the demo example on https://azure.microsoft.com/de-de/services/cognitive-services/emotion/, your could define your output dataframe like this:



                # Define results in data frame
                o <- data.frame(
                value_face_emotion = sapply(
                names(Obama[[1]]$scores)
                ,function(emotion_name) Obama[[1]]$scores[emotion_name][[1]]));





                share|improve this answer













                Assuming "Obama" is json content structured as the demo example on https://azure.microsoft.com/de-de/services/cognitive-services/emotion/, your could define your output dataframe like this:



                # Define results in data frame
                o <- data.frame(
                value_face_emotion = sapply(
                names(Obama[[1]]$scores)
                ,function(emotion_name) Obama[[1]]$scores[emotion_name][[1]]));






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 25 '18 at 12:41









                Franziska W.Franziska W.

                17614




                17614
































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