Absence of data or data-points. Can also be strings referring to "None"
Questions tagged [no-data]
81 questions
0
votes
3 answers
Scikit-image read satellite image from tif and drop all rows/columns with a nodata value
I'm attempting to run a thresholding algorithm on a satellite-derived raster stored as a tif. The no data values (-3.40282306e+38) that occur on the borders of the scene are being considered in the algorithm and is causing undesired behaviour. I'm…
jbrd435
- 27
- 6
0
votes
1 answer
SqlDataReader no data, but HasRow is true
I read data from SQL database by ExecuteReader().
There are no data fulfill conditions, but HasRow returns true. When I try to read data from reader I got exception:
'Data is Null. This method or property cannot be called on Null…
Usjwo
- 1
- 2
0
votes
1 answer
Why Flurry Analytics said "NO DATA"?
When I accessed Flurry Analytics on April 28th, it said there was "NO DATA", and I was unable to check the log.
I tried using several different accounts but the situation was the same.
After that I tried again using the same method on April 30th and…
W J
- 31
- 1
0
votes
1 answer
Client Receives no data from Server
I am trying to make a texting application between multiple clients, and a single server. The only problem is, the client receives no data from the server. Here is the code for the client side classes.
package client;
import…
Java Noob
- 351
- 1
- 6
- 15
0
votes
1 answer
no data module with multiple series in highcharts.js
I am using highcharts.js to display line chart with multiple series dynamically from servlet .I am storing the series data in arrays and traversing them as follows:
series: [{
name: 'series1',
…
JEECoder
- 145
- 1
- 1
- 12
0
votes
1 answer
Dynamically allocating Highcharts.Chart options noData
I have a Highcharts.Chart object and the global options for it are like:
Highcharts.setOptions({
global: {
useUTC: false
},
lang: {
noData: message_1
},
chart: {
style: {
fontSize: '12px',
…
Abhinav
- 514
- 1
- 7
- 17
0
votes
1 answer
MP Android chart no data avi
I have created a chart, that will get multiple data sets from my database but it doesn't show in the graph and only shows no data available. Can anyone point out the problem?
I tried reading the mpandroidchart tutorial but I still can't point out…
user3219333
- 1
- 1
0
votes
1 answer
arduino does not receive serial data
I want to sent a string from processing to arduino. but the arduino does not receive any data from serial... see below for the processing code:
import processing.serial.*;
Serial myPort;
void setup(){
String portName = Serial.list()[2];
…
FutureCake
- 2,614
- 3
- 27
- 70
0
votes
2 answers
Gnuplot doesn't plot data if there is no data avaible for that given time
Gnuplot reads weather data from a huge file called file.dat and plots the weather data for a given date and time.
But if there is no data for the given date and time (xrange), gnuplot crashes.
How can I tell gnuplot, if there is no data for a given…
user5206643
- 3
- 4
0
votes
1 answer
Extract mask from numpy masked array using a logical expression
I am trying to find a way to get the mask from a masked array using only a logical expresion. So if var is a masked array, I would like to get the mask by comparing it to a nodata object, None or something similar along the lines
>>> var =…
yellowcap
- 3,985
- 38
- 51
0
votes
1 answer
How to restrict summarizing rasters to cells with data (no-Nodata) in R
I am facing some problems with NoData/NA while creating RSF-plot in R
using raster data imported from ArcGIS 10.
My rasters are
a) Attributes of rivers (reclassified in ArcGIS 10 to0, 1 and NoData outside the rivers)
b) Distances from houses
I need…
Irene
- 1
0
votes
1 answer
Covariance Matrix Python - Omit -9999 Value
I'm trying to calculate the co-variance matrix of two completely overlapping images using python. The code for the same is:
stacked = np.vstack((image1.ravel(),image2.ravel()))
np.cov(stacked)
The issue with using this method is that sometimes the…
rsumbaly
- 55
- 7
0
votes
1 answer
SQL show selected rows from multi tables if some columns data missing
I have this query:
SELECT bills.date as bills_date
, bills.bill_nr as bill_nr
, bills.amount as amount
, cheques.cheque_nr as cheque_nr
, cheques.date as cheque_date
, cheques.amount as cheque_amount
FROM bills
INNER JOIN…
Rytis
- 59
- 8
0
votes
2 answers
how to handle no record found in mysql?
I have a procedure with select statement below:
SELECT TYPE
INTO v_type
FROM timeperiodtype
WHERE projectid = 15;
I have no record with projectid =15. So no record will retrieve. Is there any way I can get null instead of nothing from this query…
Aamir
- 738
- 2
- 17
- 41
0
votes
1 answer
SonarQube, no data for depth inheritance tree and other metrics
Hi this is my first post on legendary Stackoverflow!
I am currently trying to find a platform in order to create an inheritance plugin (in order to calculate metrics) for my thesis and I am trying SonarQube for this purpose. So far, I am learning…
Jacob
- 53
- 7