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Knime 3.1.0 behaving strange
Dear all,We have been using Knime for quite some time, and we recently upgraded to Knime 3.1.0 Full.Me (on Arch Linux) and my colleague (on Windows 7) are experiencing quite the same strange...
View ArticleJSON to Table stucks while running
Dear all,I'm trying to convert a JSON-Document to CSV. I created a very simple workflow with only 3 nodes:JSON-Reader -> JSON to Table -> CSV WriterUnfortunately if I execute the node "JSON to...
View ArticleScatter plot with filter
Hi all,is there an option to interactively filter data displayed in a scatter plot?I'd like to visualize data interactively with the possibility to filter by a nominal value column, and was wondering...
View ArticleJ48 Weka in Knime error Cannot handle string class
Hello everyone,This is my first time using KNIME. I'm trying to classify some tweets into 3 sentiment class: positive, negative and neutral. The data includes 2 columns: the tweet and the manually...
View ArticleWeird KNIME Behaviour when integrating R Snippet into workflow, Node created...
Hello everyone,This is my first time working with R in Knime and I am doing something wrong. I am trying to modify the Sentiment example from KNIME Example server (009007_SentimentClassification) to...
View Articleproblem using quickform file download
Hi all,I've got a problem using quickform download with Knime server.If I lauch the workflow on the server from the knime client and if I go afterward on the Knime webportal corresponding to it I've...
View ArticleHow can one control the text encoding of the R nodes code pane in KNIME?
When typing text (e.g. a French axis label in ggplot) in the code pane of an R view node, I've observed that when the image is returned back to KNIME, the same text is returned with encoding problems...
View ArticleVernalis Matched Molecular pairs updates
In the last few weeks (including this evening) we have released a series of updates to our Matched Molecular Pairs nodes, resulting in significant further performance improvements, and some changes to...
View ArticleError with String to URI node
I was using the node "String to URI" to convert the string "knime://knime-server/Citation_analysis/Citation analysis-V7.xlsx" created by a "Table Creator" node. I got the below error message:String to...
View ArticleFile reader node-failing to read large txt file
I encountered a problem reading a large txt file, which is 811 M with number of rows exceeding the limit of xlsx file.Can you please advice?Thanks.Regards,Echo
View ArticleQuick form node File Download error
I encountered a problem with the quick form node File Download with the below message:File Download 2:405 - WARNING: Variable "filename" does not denote an existing file:...
View ArticleWorkflow with example of Emoticon analysis
Hello everyone,I am looking for a workflow with emoticon analysis to classify text in negative / positive category based on emoticons in combination with other learners / predictors. May be you have...
View ArticleJava Heap Space Issues/GC overhead limit exceeded
Hi,I already addressed my problem in following post:http://tech.knime.org/node/55380/viewMaybe my description was a little bit too long and encapsulated.After trying to run my workflow with different...
View ArticleSQL Query results as inputs to Multiple selection input quickform
Still riding with training wheels on. I am wondering if there is a way to read data from a SQL database and input the returned values (an array of strings) to a Multiple Selection Input QuickForm. I...
View ArticleHow KNIME calculate the Area Under an ROC Curve (AUC_ROC)?
Hi,I would like to know which method the KNIME implements to calculate the area under a ROC curve?Thanks for the help!
View ArticleCompare if two strings are equal
Hi everybody I want to know if two strings are equal in Java. Basically I have two columns with diferent strings and I want to know which records are not the same by appending other column. I already...
View ArticleData Analytics for my data
Hello,I am very new to analytics and knime, please forgive me if I am asking some basic questions.I have data with 9 parameters from some vehicles. [Vin, timestamp, latitude, longitude, speed, etc] and...
View ArticleNumber Filter to ignore Document title
Hi,this time I have a quick one:I'm using the Number Filter Node on some Documents. Said Documents' title are numbers. After the Number Filter did its work, the Document titles are empty/blank.Is there...
View ArticleTable Reader failure
I am new to KNIME using version 3.1.1 for training.I have used it successfully for a few days. But the table reader is failing to load data now. I have tried load thh iris data from both the UCI URL...
View ArticleCount mentions of specific months with twitter node
Hello,I need to count the mentions of three different Twitteraccounts at July, August and September from last year. Can I manage this with the Twitter node or can this node only report my own...
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