r - Grouping & Aggregation about Character linking[in SQL HANA DATABASE] -

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इस तरह मेरा डेटा फ्रेम: 

  & gt; Mydata समय आईडी उत्पाद 1 201301 1 सेब 2 201302 1 एचटीसी 3 201302 1 सेब 4 201302 2 एचटीसी 5 201302 2 सेब   
 निम्न परिणाम कैसे प्राप्त करें?  <पूर्व>  & gt; परिणाम समय आईडी उत्पाद 1 201301 1 सेब 2 201302 1 सेब और एचटीसी 3 201302 2 सेब और एचटीसी   
 मैंने कोशिश की है  ddply ()  फ़ंक्शन इस तरह:  
  ddply (mydata,। (समय, आईडी), संक्षेप, paste0 (उत्पाद, "& amp;", उत्पाद))   
 लेकिन यह काम नहीं करता है मेरी उम्मीद के रूप में। आपके उत्तर के लिए धन्यवाद।  
   और, मेरा कहना है, कैसे एसएपी में एसएपी में एहसास करने के लिए हाना डाटाबेस? बहुत बहुत धन्यवाद!     
 
 
 आप यह कोशिश कर सकते हैं:  <प्री>  ddply (टैब,। (समय, आईडी), संक्षेप, उत्पाद = पेस्ट (उत्पाद, पतन = "& amp;"))   
 hth  < / div>

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