topic How does JMP derive 95 percentile of a data set with limited data points? in Discussions https://community.jmp.com/t5/Discussions/How-does-JMP-derive-95-percentile-of-a-data-set-with-limited/m-p/29036#M19259 <P>For a data set with 16 points shown below,</P><TABLE border="0" cellspacing="0" cellpadding="0"><TBODY><TR><TD>ID</TD><TD>Data</TD></TR><TR><TD>1</TD><TD>-2.53802</TD></TR><TR><TD>2</TD><TD>-0.98877</TD></TR><TR><TD>3</TD><TD>-0.59679</TD></TR><TR><TD>4</TD><TD>-0.45444</TD></TR><TR><TD>5</TD><TD>-0.26573</TD></TR><TR><TD>6</TD><TD>-0.2027</TD></TR><TR><TD>7</TD><TD>-0.10798</TD></TR><TR><TD>8</TD><TD>0.124422</TD></TR><TR><TD>9</TD><TD>0.156302</TD></TR><TR><TD>10</TD><TD>0.162865</TD></TR><TR><TD>11</TD><TD>0.469599</TD></TR><TR><TD>12</TD><TD>0.667054</TD></TR><TR><TD>13</TD><TD>0.787399</TD></TR><TR><TD>14</TD><TD>1.209767</TD></TR><TR><TD>15</TD><TD>1.414172</TD></TR><TR><TD>16</TD><TD>1.718419</TD></TR></TBODY></TABLE><P>&nbsp;</P><P>Tabulate the data generates the following stats:</P><TABLE><TBODY><TR><TD>Min</TD><TD>-2.53802</TD></TR><TR><TD>Mean</TD><TD>0.097223</TD></TR><TR><TD>Quantiles50</TD><TD>0.140362</TD></TR><TR><TD><STRONG>Quantiles95</STRONG></TD><TD><STRONG>1.718419</STRONG></TD></TR><TR><TD>Max</TD><TD>1.718419</TD></TR><TR><TD>Std Dev</TD><TD>1.023793</TD></TR></TBODY></TABLE><P>&nbsp;</P><P>I am curious to know how JMP derives 95 percentile or for any random percentile.&nbsp;</P><P>&nbsp;</P><P>Thanks!</P> Wed, 09 Nov 2016 23:17:53 GMT ILoveJMP 2016-11-09T23:17:53Z How does JMP derive 95 percentile of a data set with limited data points? https://community.jmp.com/t5/Discussions/How-does-JMP-derive-95-percentile-of-a-data-set-with-limited/m-p/29036#M19259 <P>For a data set with 16 points shown below,</P><TABLE border="0" cellspacing="0" cellpadding="0"><TBODY><TR><TD>ID</TD><TD>Data</TD></TR><TR><TD>1</TD><TD>-2.53802</TD></TR><TR><TD>2</TD><TD>-0.98877</TD></TR><TR><TD>3</TD><TD>-0.59679</TD></TR><TR><TD>4</TD><TD>-0.45444</TD></TR><TR><TD>5</TD><TD>-0.26573</TD></TR><TR><TD>6</TD><TD>-0.2027</TD></TR><TR><TD>7</TD><TD>-0.10798</TD></TR><TR><TD>8</TD><TD>0.124422</TD></TR><TR><TD>9</TD><TD>0.156302</TD></TR><TR><TD>10</TD><TD>0.162865</TD></TR><TR><TD>11</TD><TD>0.469599</TD></TR><TR><TD>12</TD><TD>0.667054</TD></TR><TR><TD>13</TD><TD>0.787399</TD></TR><TR><TD>14</TD><TD>1.209767</TD></TR><TR><TD>15</TD><TD>1.414172</TD></TR><TR><TD>16</TD><TD>1.718419</TD></TR></TBODY></TABLE><P>&nbsp;</P><P>Tabulate the data generates the following stats:</P><TABLE><TBODY><TR><TD>Min</TD><TD>-2.53802</TD></TR><TR><TD>Mean</TD><TD>0.097223</TD></TR><TR><TD>Quantiles50</TD><TD>0.140362</TD></TR><TR><TD><STRONG>Quantiles95</STRONG></TD><TD><STRONG>1.718419</STRONG></TD></TR><TR><TD>Max</TD><TD>1.718419</TD></TR><TR><TD>Std Dev</TD><TD>1.023793</TD></TR></TBODY></TABLE><P>&nbsp;</P><P>I am curious to know how JMP derives 95 percentile or for any random percentile.&nbsp;</P><P>&nbsp;</P><P>Thanks!</P> Wed, 09 Nov 2016 23:17:53 GMT https://community.jmp.com/t5/Discussions/How-does-JMP-derive-95-percentile-of-a-data-set-with-limited/m-p/29036#M19259 ILoveJMP 2016-11-09T23:17:53Z Re: How does JMP derive 95 percentile of a data set with limited data points? https://community.jmp.com/t5/Discussions/How-does-JMP-derive-95-percentile-of-a-data-set-with-limited/m-p/29038#M19260 <P>Here is the information you want, taken from</P> <P>Help==&gt;Books==&gt;Basic Analysis</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="quantile.png" style="width: 694px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/3972iF32B2523D699BB5A/image-size/large?v=v2&amp;px=999" role="button" title="quantile.png" alt="quantile.png" /></span></P> Wed, 09 Nov 2016 23:39:23 GMT https://community.jmp.com/t5/Discussions/How-does-JMP-derive-95-percentile-of-a-data-set-with-limited/m-p/29038#M19260 txnelson 2016-11-09T23:39:23Z