ifElse

Comments

• EJ

  December 2019

  I'll forward your post to those in the know.

  E.J.
• EJ

  December 2019

  Actually, before I call in outside help, did you inspect these resources?

  https://jasp-stats.org/2018/06/27/how-to-filter-your-data-in-jasp/

  and the gifs listed under https://jasp-stats.org/how-to-use-jasp/

  E.J.
• ericgraig

  December 2019 edited December 2019

  Yes, thanks, I did. I couldn't find anything that was specific to the ifelse function. The functions at the top of the window are clear enough (+,-,<,>, etc.) but the ones on the right, in particular ifelse isn't.

  I tried running the expression using r code:

  ifelse("injuries" > 3,"Yes", "No")

  but only the first row gets the computed value. I'm undoubtedly doing something wrong but I don't know enough about r or JASP to figure it out.
• EJ

  December 2019

  OK, that's informative, I'll forward your post.

  E.J.
• ericgraig

  December 2019

  Actually I got the r command to work. Don't know what I was doing before. The expression builder still vexes me. If I can do this with an r function, I'm good but I am curious to see how to expression builder works. Perhaps there's a bug?

  Thanks for your help.
• AlexanderLy

  December 2019

  Hi Eric,

  The builder requires a logical expression in the "test" argument. Here's an example:

  

  In this example, I want a column consisting of 0s and 1s. If Happiness < 4, then it needs to return 0 else a 1. Note that Happiness is a continuous variable, which is why ifelse doesn't take it as an argument. One way around this is as follows:

  1. tick ifelse
  2. tick the variable Happiness, which now appears on a new line
  3. I choose the < operator, which is appended to Happiness
  4. Enter 4
  5. Now the statement "Happiness < 4" is a logical which is either TRUE or FALSE
  6. Drag "Happiness < 4" in the "test" clause of ifelse
  7. Enter 0 in the "then" clause, and 1 in the "else" clause of ifelse

  Alternatively,

  1. Tick ifelse
  2. Tick the < operator, which should appear in the "test" clause of ifelse
  3. Drag the variable Happiness into the left-hand side < and enter 4 on the right-hand side
  4. Enter 0 in the "then" clause, and 1 in the "else" clause of ifelse

  Let me know whether this works for you.

  Cheers,

  Alexander
• MAgoJ

  December 2019

  Hi Eric,

  here is a small video contribution ...

  newColumn.zip

  Cheers,

  Maurizio
• EJ

  January 2020

  Hi Maurizio, are you OK if we add this video to our website and point to it on Twitter?

  E.J.
• MAgoJ

  January 2020

  Hi EJ, if you do this, I would be very pleased.

  Do it, thank you.

  Maurizio
• EJ

  January 2020

  If you'd like some twitter credits you can send your complete name or twitter handle -- otherwise you'll be acknowledged be Maurizio. BTW, do you have this as a gif? (this is the format we generally use)
• andersony3k

  September 2021

  Hi. This actually does not work in JASP 0.15.0 (Windows 10). It generates an error, as shown below.

  

  
  

  R
• AlexanderLy

  September 2021 edited September 2021

  Hi Richard,

  Thanks for reporting this. I've got the same error on mac, so it's safe to assume that it's not platform dependent. I've reported this bug on github see

  https://github.com/jasp-stats/jasp-issues/issues/1430

  There you can find the jasp file that reproduces the error. It also shows the workaround that does work, namely, temp2, which is created by writing the statement `ifelse(VariableA>2,1,0)` in R code. This is of course not ideal, but it'll be taken into account for the next release, or the one shortly thereafter. Thanks again.

  Cheers,

  Alexander
• PaulaMarentette

  April 2022 edited April 2022

  In case it is helpful. I have posted the same error message with another dataset here: in the JASP stats github:

  ifElse broken in compute column point-and-click interface #1430
  

  I use JASP teaching a large intro applied stats class. I'm not sure how this reporting process goes so thought I'd post both places. I do not teach them R, so the workaround isn't for this group.

  JASP is a great program for the students. Happy to figure out how to report errors to make it even better. I especially appreciate the recent capacity to edit figures.

  Just waiting for a bar chart with errors (rather than the line graph) but I bet there is somewhere else to go request that.

  Thanks,

  Paula Marentette
• EJ

  April 2022

  Thanks. We'll have a small release soon (this mainly fixes some installation issues we've been having, and improves things internally) quickly followed by a release with a lot more new functionality.

  Cheers,

  E.J.