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Utilizzi lag(x)?

hogi
Level XII

undefined

...sembra che questo non sia più possibile:

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testato con JMP18.1.1


JMP17:

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Questo post è stato originariamente scritto in English (US) ed è stato tradotto per comodità. Quando risponderai, verrà anche tradotto in English (US).

2 ACCEPTED SOLUTIONS

Accepted Solutions
hogi
Level XII

R: Utilizzi lag(x)?

La cosa positiva:
Non è un problema generale di "Lag"

...sembra che sia causato da:

undefined


Quando genero la formula in questo modo, le voci sono vuote.
Quando creo una nuova colonna e aggiungo la formula in seguito, i valori vengono calcolati.


aggiunto: video con diversi modi per generare la colonna formula

  1. nuova colonna formula: aggiungi ritardo tramite clic -> errore
  2. nuova colonna formula: aggiungi ritardo manualmente -> fallisci
  3. nuova colonna formula: elimina il codice e riscrivi -> fallisci
  4. nuova colonna -> aggiungi formula manualmente -> funziona
  5. nuova colonna -> aggiungi colonna formula tramite clic e scrittura (come #2) -> funziona

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      jthi
      Super User

      R: Utilizzi lag(x)?

      Sembra che JMP valuti in modo errato l'argomento "mancante" di Empty()

      // Transform column
      Data Table("Big Class") << Apply Formula(
      	Columns(:weight),
      	Formula(Lag(:weight, Empty())),
      	Output(New Formula)
      );

      Se si utilizza Lag in Row questo non accade poiché utilizza un altro metodo per creare la colonna

      // New formula column: Lag[weight]
      Data Table("Big Class") << New Formula Column(
      	Operation(Category("Row"), "Lag"),
      	Columns(:weight)
      );

      Modifica: E succede anche con altre funzioni (almeno con Dif, ma potrebbero essercene altre)

      // Transform column
      Data Table("Big Class") << Apply Formula(
      	Columns(:weight),
      	Formula(Dif(:weight, Empty())),
      	Output(New Formula)
      );
      
      6 REPLIES 6
      Jeff_Perkinson
      Community Manager Community Manager

      R: Utilizzi lag(x)?

      Sembra funzionare bene in tutte le versioni che ho provato, inclusa la 18.1.1.

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      Questo post è stato originariamente scritto in English (US) ed è stato tradotto per comodità. Quando risponderai, verrà anche tradotto in English (US).

      hogi
      Level XII

      R: Utilizzi lag(x)?

      Ok, bene.

      E un po' strano...

      Quindi non è né andato via al 100%, né funziona al 100%.
      cosa fa la differenza?

      PC o Mac?
      ... Verificherò le mie preferenze e le confronterò con quelle di altri colleghi.

      Questo post è stato originariamente scritto in English (US) ed è stato tradotto per comodità. Quando risponderai, verrà anche tradotto in English (US).

      hogi
      Level XII

      R: Utilizzi lag(x)?

      La cosa positiva:
      Non è un problema generale di "Lag"

      ...sembra che sia causato da:

      undefined


      Quando genero la formula in questo modo, le voci sono vuote.
      Quando creo una nuova colonna e aggiungo la formula in seguito, i valori vengono calcolati.


      aggiunto: video con diversi modi per generare la colonna formula

      1. nuova colonna formula: aggiungi ritardo tramite clic -> errore
      2. nuova colonna formula: aggiungi ritardo manualmente -> fallisci
      3. nuova colonna formula: elimina il codice e riscrivi -> fallisci
      4. nuova colonna -> aggiungi formula manualmente -> funziona
      5. nuova colonna -> aggiungi colonna formula tramite clic e scrittura (come #2) -> funziona

      Lag.mp4
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          Questo post è stato originariamente scritto in English (US) ed è stato tradotto per comodità. Quando risponderai, verrà anche tradotto in English (US).

          hogi
          Level XII

          R: Utilizzi lag(x)?

          Ho inviato un ticket al supporto JMP: TS-00182750
          vediamo...

          Questo post è stato originariamente scritto in English (US) ed è stato tradotto per comodità. Quando risponderai, verrà anche tradotto in English (US).

          jthi
          Super User

          R: Utilizzi lag(x)?

          Sembra che JMP valuti in modo errato l'argomento "mancante" di Empty()

          // Transform column
          Data Table("Big Class") << Apply Formula(
          	Columns(:weight),
          	Formula(Lag(:weight, Empty())),
          	Output(New Formula)
          );

          Se si utilizza Lag in Row questo non accade poiché utilizza un altro metodo per creare la colonna

          // New formula column: Lag[weight]
          Data Table("Big Class") << New Formula Column(
          	Operation(Category("Row"), "Lag"),
          	Columns(:weight)
          );

          Modifica: E succede anche con altre funzioni (almeno con Dif, ma potrebbero essercene altre)

          // Transform column
          Data Table("Big Class") << Apply Formula(
          	Columns(:weight),
          	Formula(Dif(:weight, Empty())),
          	Output(New Formula)
          );
          

          Questo post è stato originariamente scritto in English (US) ed è stato tradotto per comodità. Quando risponderai, verrà anche tradotto in English (US).

          hogi
          Level XII

          R: Utilizzi lag(x)?

          Giusto, grazie @jthi per aver approfondito l'argomento.


          Non ci avevo fatto caso e ho notato i 2 modi in cui l'editor di formule visualizza gli argomenti facoltativi:

          1. esplicito:
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          2. non [solo nella descrizione]:
            undefined

          Questo post è stato originariamente scritto in English (US) ed è stato tradotto per comodità. Quando risponderai, verrà anche tradotto in English (US).