Why does my .csv file create spaces between each of my data points? It makes it to where I cannot graph precipitation against the date.

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Jack Jones
Jack Jones 2022-11-28
评论： Jack Jones 2022-11-28
% I have also attached the data I am trying to extract the data from
clearvars
clear all
clc
% Open data
fid=fopen('2022BRPREC.csv','r');
data=textscan(fid,'%s%s%s%s%s%s%s','headerlines',1,'delimiter',',');
fclose=(fid);
% Name 2022 Variables
date22=data{4};
prec22=data{5};;
figure
cc=plot(date22,prec22);

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采纳的回答

Stephen23
Stephen23 2022-11-28
Ran in:
T = readtable('2022BRPREC.csv')
T = 365×8 table
STATION NAME DATE PRCP SNOW TAVG TMAX TMIN _______________ ____________________________________ __________ ____ ____ ____ ____ ____ {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-18 0.02 0 NaN 79 49 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-19 0 0 NaN 67 42 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-20 0 0 NaN 75 40 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-21 0 0 NaN 78 59 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-22 0.4 NaN NaN 69 44 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-23 0 0 NaN 65 37 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-24 0 0 NaN 72 39 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-25 0 0 NaN 75 54 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-26 0 0 NaN 61 42 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-27 0.01 NaN NaN 59 34 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-28 0.04 NaN NaN 65 44 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-29 0 0 NaN 67 40 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-11-30 0 0 NaN 72 37 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-12-01 0 0 NaN 76 42 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-12-02 0 0 NaN 75 49 {'USW00013970'} {'BATON ROUGE METRO AIRPORT, LA US'} 2021-12-03 0 0 NaN 75 52
plot(T.DATE,T.PRCP)

更多回答（1 个）

millercommamatt
millercommamatt 2022-11-28
You're defining the columns as strings so the output is going to include whitespace.
You want something like:
...
data = textscan(fid,'%s%s%{MM/dd/yyyy}D%f%f%f%f%f','headerlines',1,'delimiter',',');
...
  2 个评论
Jack Jones
Jack Jones 2022-11-28
Thanks for the feedback! I edited my project and it is still giving an error when trying to define the date.
% Error using textscan
% Unable to read the DATETIME data with the format "yyyy-MM-dd". If the data is not a time, use %q to get
% text data.
I changed the date format to match what is in the data. How might this be fixed?
Jack Jones
Jack Jones 2022-11-28
...
data=textscan(fid,'%s%s%{yyyy-MM-dd}D%f%f%f%f%f','headerlines',1,'delimiter',',');
...
This is what my code with the error looks like

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