HOW TO PLOT A LINE GRAPH AND TABLE FOR THE DATA BELOW

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hassan USMAN 2016-6-22

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https://ww2.mathworks.cn/matlabcentral/answers/291619-how-to-plot-a-line-graph-and-table-for-the-data-below

评论： dpb 2016-6-22

TABLE :5 Monthly Eb/No Level At Selected Radio Nigeria Fm Stations across Nigeria
  
MONTH         COAL   SUPREME  METRO  PREMIER
                (A)   (B)       (C)     (D)
JUL 2015  5.4  5  5.5  5
AUG 2015  6.4  6  6.8  6.4
SEP 2015  7.7  8  6.3  7.7
OCT 2015  4.6  5.6  6.3  4.6
NOV 2015  8.5  9.5  5.6  8.5
DEC 2015  5  12  5  5
JAN 2016  4  12  6.1  4
FEB 2016  6  11  6.3  6
MAR 2016  8.5  8  8.7  8.5
APR 2016  9.4  9  9.5  9.4
MAY 2016  4  7  8  6
DEC 2016  5  8  9  4

TO PLOT A LINE GRAPH OF MONTH ON X-AXIS AGAINST AND A,B,C, AND D ON Y-AXIS

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Muhammad Usman Saleem 2016-6-22

please edit your question, or attached as text or excel file your table? difficult to read

dpb 2016-6-22

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Have you read the examples at <create-a-table>? It shows building a histogram from table data; nothing much different than using plot instead.

Show us what you've tried and where you ran into problems...

doc plot

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Answer 1

Valentino 2016-6-22

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编辑：Valentino 2016-6-22

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i guess you have the data in a txt file so you will have to use textscan and then plot

input = textscan(fileID,'%s%f%f%f%f','HeaderLines',1,'Delimiter', ' ');

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dpb 2016-6-22

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Ah...perhaps you're right; I interpreted that the OP already had a table (Matlab style)...

Your textscan isn't likely going to work, however, if the file is as shown. Try

fmt=['%{MMM yyyy}D' repmat('%f',1,4)];  % one datetime, four floats
c=textscan(fid,fmt,'headerlines',5,'collectoutput',1);

'headerlines' is either 3 or 5, depending on whether the file includes the title lines or not...this will leave OP with a datetime cell array and then a cell array of doubles for the data.

If OP were to clean up the file to have just the column headers and the data, should be able to use readtable and get an internal table directly.

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