(Ted Harding) wrote:
[...]
In many cases people simply treat negative estimates of variables
which are intrinsically non-negative very crudely: if it comes
out negative, replaceit with zero. This too is often a quick
fix where the fact that it is a lie simply has no practical
importance.
On 08-Jul-05 Anders Schwartz Corr wrote:
Dear R-help,
I am trying to impute missing data for the first time using R.
The norm package seems to work for me, but the missing values
that it returns seem odd at times -- for example it returns
negative values for a variable that should only be
On 09-Jul-05 Ted Harding wrote:
On 08-Jul-05 Anders Schwartz Corr wrote:
[...]
]...]
Meanwhile, I will try to have a look at the dataset whose URL
you give, and see if I have any more specific comments.
Now that I look at the histograms of your 21 variables, I would
not think of treating
Dear R-help,
I am trying to impute missing data for the first time using R. The norm
package seems to work for me, but the missing values that it returns seem
odd at times -- for example it returns negative values for a variable that
should only be positive. Does this matter in data analysis,
Anders Schwartz Corr wrote:
Dear R-help,
I am trying to impute missing data for the first time using R. The norm
package seems to work for me, but the missing values that it returns seem
odd at times -- for example it returns negative values for a variable that
should only be positive. Does
