dataset Questions

4

Keras introduced tf.keras.preprocessing.image_dataset_from_directory function recently, which is more efficient than previously ImageDataGenerator.flow_from_directory method in tensorflow 2.x. I a...
Spirit asked 3/6, 2020 at 6:30

9

Is there a module for Python to open IBM SPSS (i.e. .sav) files? It would be great if there's something up-to-date which doesn't require any additional dll files/libraries.
Impulsive asked 1/2, 2013 at 13:7

6

Solved

In visual studio datasource designer is there any way to refresh a table and its relations/foreign key constraints while keeping the custom queries? The way I am doing it at the moment is removing...
Blacken asked 16/4, 2010 at 12:8

5

Solved

When I call dataSet.GetXml() I don't get any xml returned for columns with null or blank values. Is there a simple, efficient way to get around this? An example of the problem below. Notice how a2 ...
Omdurman asked 4/2, 2011 at 22:43

3

Solved

I am using Superset for data visualisation and I'm used to upload a csv file for each dataset I need. My issue is when I want to duplicate a dashboard and replace the datasource only for the copied...
Poree asked 14/9, 2021 at 14:26

5

Solved

In C#, I'm trying to loop through my dataset to show data from each row from a specific column. I want the get each date under the column name "TaskStart" and display it on a report, but its just s...
Autry asked 6/3, 2013 at 16:4

2

Solved

Here I came up with the first approach: that is, using foreach clause on DataSet to get the items and fill in your Entity. But this method can't be reused when the something changes. So I think ma...
Jochbed asked 10/10, 2013 at 2:50

3

Solved

I'm sure the question is a bit dummy (sorry)... I'm trying to create a function using differents variables I have stored in a Dataframe. The function is like that: mlr_turb <- function(Cond_in,...
Pachysandra asked 14/4, 2020 at 13:2

2

Every tutorial I find involves using a pre-made, but the project I'm trying to do is image segmentation on pictures if playing cards. The dataset will be one I create but I'm finding little to no r...
Outrigger asked 27/1, 2020 at 14:56

5

How can you create a SAS data set from another dataset using only the last n observations from original dataset. This is easy when you know the value of n. If I don't know 'n' how can this be done?...
Salesclerk asked 23/4, 2013 at 13:52

2

Solved

I tried to use torch.utils.data.random_split as follows: import torch from torch.utils.data import DataLoader, random_split list_dataset = [1,2,3,4,5,6,7,8,9,10] dataset = DataLoader(list_dataset,...
Summerlin asked 5/11, 2022 at 11:50

5

Solved

I run my spark application in yarn cluster. In my code I use number available cores of queue for creating partitions on my dataset: Dataset ds = ... ds.coalesce(config.getNumberOfCores()); My qu...
Dialectal asked 20/11, 2017 at 18:50

4

Solved

I need to shift valid values to the top the of dataframe withing each id. Here is an example dataset: df <- data.frame(id = c(1,1,1,2,2,2,3,3,3,3), itemid = c(1,2,3,1,2,3,1,2,3,4), values = c(...
Zondra asked 30/11, 2022 at 18:48

3

Solved

I get a DataTable from a DataSet and then bind that DataTable to a DataGridView. Once the user edits the information on the DataGridView how do I take those changes and put them back into a DataTab...
Nyssa asked 6/2, 2009 at 12:2

3

Solved

Just having some problems running a simulation on some weather data in Python. The data was supplied in a .tif format, so I used the following code to try to open the image to extract the data into...
Impaste asked 3/7, 2018 at 10:16

4

Solved

I have an application, where users can enter an sql query as text, and I need to run it against a C# DataTable/Dataset inside my application. Is it possible to do? EDIT: Based on the answers, and ...
Funds asked 20/9, 2012 at 13:37

4

Solved

I am creating my own R package and I was wondering what are the possible methods that I can use to add (time-series) datasets to my package. Here are the specifics: I have created a package subdir...
Lacrosse asked 12/5, 2013 at 12:21

4

Solved

I'm tring to get a string from a DataSet without using GetXml. I'm using WriteXml, instead. How to use it to get a string? Thanks
Suburb asked 8/6, 2009 at 8:16

2

I am new to processing large datasets, new to google colab. I have a 62 GB datasets and I zipped it uploaded it to the Files section of google colab. Before upload, it is 68 GB available so I canno...
Clericalism asked 25/3, 2022 at 15:35

5

Solved

I have a list of phone numbers that have been dialed (nums_dialed). I also have a set of phone numbers which are the number in a client's office (client_nums) How do I efficiently figure out how ma...
Neoterism asked 27/3, 2010 at 7:23

1

Solved

Even though I have defined float type, I still can't map. I got this error: Cannot map the lookup column, 'vertical_rate', because the column is set to a floating point data type.
Bummer asked 8/5, 2022 at 3:47

5

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When using R it's handy to load "practice" datasets using data(iris) or data(mtcars) Is there something similar for Pandas? I know I can load using any other method, just curious if there's ...
Pancreas asked 9/2, 2015 at 19:2

6

I have been searching for a simple way to convert a dataset from a PostgreSQL database to JSON for use in a project that I am building. This is my first time using JSON, and I have found it really...
Award asked 10/12, 2008 at 11:59

5

I am developing an object detection model to detect ships using YOLO. I want to use the COCO dataset. Is there a way to download only the images that have ships with the annotations?
Pitiable asked 29/6, 2018 at 10:58

1

Solved

I'm facing a problem in spark where 2 skewed datasets takes too long to join. One(or two) of the datasets has skewed data in it and it's used as the join column. So I enabled spark AQE in the hope ...

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