Differences

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--- z_score [2018/09/18 08:03] – hkimscil
+++ z_score [2018/09/18 08:08] – hkimscil
@@ Line 7: / Line 7: @@
 {{youtube>NY2zWGBXBhU}}
-in R
+in R, pnorm(zscore) or pnorm(sd)
 <code>pnorm(1) - pnorm(-1)</code> 혹은 percentage로는
 <code>round(100* (pnorm(1) - pnorm(-1))) </code>
@@ Line 15: / Line 16: @@
 </code>
+in R, qnorm(percentage)
+<code>qnorm(.025)
+qnorm(.975)
+</code>