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  1. MJ.Maiwald

    Convert data by LN or not?

    "It stops the extreme values having undue leverage (influence)." - Yeah I see the point, but wouldn't standardizing the data have the same effect? "However, there are problems with logging 0." - Yes, log(0) can not be defined right? Usually what do you do in this case? Just leave 0 as a data value?
  2. MJ.Maiwald

    Convert data by LN or not?

    Hello katxt, for easier understanding I try to adopt your suggestion to my case about elevation: would you mean for example many data points at very low elevation (say 0-100m) and then a few points stretched at elevations exceeding kilometers?
  3. MJ.Maiwald

    Convert data by LN or not?

    Sorry for the late reply, was a bit busy, and thank you for your continuous interest in helping me. So the model should be a logistic regression model since my response variable is binary in nature (detection/non-detection of species) and I am analyzing for occupancy which is the probability of...
  4. MJ.Maiwald

    Convert data by LN or not?

    Hello hlsmith and thanks for the reply. The package I am using is called 'wiqid'. It contains functions for both maximum likelihood and Bayesian estimations, if that helps in any way. I am sorry ,as that I am not very well versed in statistics, but how can I find out about the residuals in my...
  5. MJ.Maiwald

    Convert data by LN or not?

    Hello dear statistic community members! I was about to run a single-species single-season occupancy model on habitat variables for my tropical mammal data in R. One of my statistic mentors told me I might need to convert my data on distance to road and distance to rivers by using LN or Log10. It...