Difference between revisions of "MU FUYAO Questions-answer"
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− | <td><b> 1. | + | <td><b> 1.Year 1998---2007 </b> |
+ | <br>There are some measures having value of 0, I can’t decide whether the measurement is 0 or didn’t have measure. So, I regard it as missing value and delete. | ||
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+ | There are some strange values in this dataset. For same location, same time and same measure, but there are different values. I think it’s repetitive value. So, I get average of them. | ||
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+ | </td> | ||
+ | <td>[[File: Missing value.png|500px|center]] | ||
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+ | [[File:Repetitive data.png|500px|center]]</td> | ||
+ | </tr> | ||
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+ | <tr> | ||
+ | <td><b> 1.Year 2008---2016 </b> | ||
<br>There are some measures having value of 0, I can’t decide whether the measurement is 0 or didn’t have measure. So, I regard it as missing value and delete. | <br>There are some measures having value of 0, I can’t decide whether the measurement is 0 or didn’t have measure. So, I regard it as missing value and delete. | ||
Revision as of 20:23, 8 July 2018
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Question 1
Characterize the past and most recent situation with respect to chemical contamination in the Boonsong Lekagul waterways. Do you see any trends of possible interest in this investigation?
Statement | Graph |
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1.Year 1998---2007
There are some strange values in this dataset. For same location, same time and same measure, but there are different values. I think it’s repetitive value. So, I get average of them. |
|
1.Year 2008---2016
There are some strange values in this dataset. For same location, same time and same measure, but there are different values. I think it’s repetitive value. So, I get average of them. |