w********r
发帖数: 290 | 1 Hi all,
Do you guys know how parameters V and DELTA in function "ncx2rnd" refer to "
degrees of freedom" and "non-centrality", respectively? I mean I have no
ideas about whether V is referring to "degrees of freedom" and DELTA "non-
centrality" or alternative.
Thanks for your time! | q*****r
发帖数: 43 | 2 Y = ncx2pdf(X,V,DELTA) computes the noncentral chi-square pdf at each of the
values in X using the corresponding degrees of freedom in V and positive
noncentrality parameters in DELTA.
"
【在 w********r 的大作中提到】
: Hi all,
: Do you guys know how parameters V and DELTA in function "ncx2rnd" refer to "
: degrees of freedom" and "non-centrality", respectively? I mean I have no
: ideas about whether V is referring to "degrees of freedom" and DELTA "non-
: centrality" or alternative.
: Thanks for your time!
| x**********n
发帖数: 13 | 3 一个是normal distribution的平均值，令一个是degree of freedom？
degree of freedom因该不能取非整数吧，你可以试一下？ | w********r
发帖数: 290 | 4
the
Thanks a lot!
【在 q*****r 的大作中提到】
: Y = ncx2pdf(X,V,DELTA) computes the noncentral chi-square pdf at each of the
: values in X using the corresponding degrees of freedom in V and positive
: noncentrality parameters in DELTA.
:
: "
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