dataset Questions
11
Solved
This is possibly a simple question, but I do not know how to order columns alphabetically.
test = data.frame(C = c(0, 2, 4, 7, 8), A = c(4, 2, 4, 7, 8), B = c(1, 3, 8, 3, 2))
# C A B
# 1 0 4 1
# ...
1
I am creating a xarray dataset as below:
import numpy as np
import xarray as xr
x_example = np.random.rand(1488,)
y_example = np.random.rand(1331,)
time_example = np.random.rand(120,)
rainfall_exa...
Selfsustaining asked 6/7, 2022 at 0:37
2
Because of a very large image dataset, datagen.flow_from_directory is extremely slow. Is there a way to copy the "data" folder on my Google drive to the local session in Google Colab? Kin...
Megalith asked 2/5, 2021 at 18:46
0
I'm trying to add an index to a dataset which is too large to fit in RAM. The tidyverse way of adding an index would be:
library(tidyverse)
df = mtcars
df |>
mutate(row_id = 1:nrow(cyl)) # any ...
Tease asked 27/6, 2022 at 7:21
10
Solved
I want to open a csv file (saved from openoffice calc) in weka.
I keep getting an error: "wrong number of values. 140 read, 139 expected on line 3."
The csv was already fixed with quotes around ...
6
Solved
how can I find out if an data-aware component field has been modified when the dataset is already in Insert state? I want to know if a field was 'really' modified. (I don't care if the user has inp...
Crysta asked 4/4, 2012 at 14:49
2
Solved
I'm loading large datasets and then caching them for reference throughout my code. The code looks something like this:
val conversations = sqlContext.read
.format("com.databricks.spark.redshift")...
Mirabel asked 31/7, 2017 at 15:34
3
I have a dataset as below:
country
United States, Seattle
United Kingdom, London
How can I split country into a data in SAS like:
country city
United States Seattle
United Kingdom London
...
2
Solved
I am using TF 1.8 with eager mode enabled.
I cannot print the example inside the mapfunc. It when I run tf.executing_eagerly() from within the mapfunc I get "False"
import os
import tensorflow as...
Veratrine asked 25/5, 2018 at 23:38
3
Solved
I wanted to create a data set with a specific Mean and Std deviation.
Using np.random.normal() gives me an approximate. However for what I want to test I need an exact Mean and Std deviation.
I...
Insula asked 25/7, 2018 at 9:26
4
Solved
Here is my dataset:
After locking my dataframe by year and grouping by month, I proceed with calculating percentage increase/decrease as a new column; it ends up looking like this:
Now for my Plo...
Xanthic asked 26/11, 2019 at 19:10
1
Solved
I am building an audio-based deep learning model. As part of the preporcessing I want to augment the audio in my datasets. One augmentation that I want to do is to apply RIR (room impulse response)...
Erb asked 11/4, 2022 at 13:39
1
Solved
I have a map-stype dataset, which is used for instance segmentation tasks.
The dataset is very imbalanced, in the sense that some images have only 10 objects while others have up to 1200.
How can I...
Warder asked 16/3, 2022 at 16:17
3
Solved
There are several example data sets in Matlab, for example wind and mri. If you execute the command load wind you will load the data in the data set wind. Some are included in toolboxes and some ap...
6
Solved
I am a little bit confused about the data augmentation performed in PyTorch. Now, as far as I know, when we are performing data augmentation, we are KEEPING our original dataset, and then adding ot...
Carlo asked 3/8, 2018 at 17:51
6
Solved
I'm working on a database in C# when I hit the display button I get an error:
Error:
Cannot bind to the property or column LastName on the DataSource.
Parameter name: dataMember
Code:
priva...
2
Solved
I have installed LDA plibrary (using pip)
I have a very simple test code (the next two rows)
import lda
print lda.datasets.load_reuters()
But i keep getting the error
AttributeError: 'module' ob...
Barfield asked 23/7, 2016 at 0:58
2
I'm new to Weka and I'm confused with the tool. I have a data set about fruit prices and related attributes. I'm trying to predict the specific fruit price using the data set. Since I'm new to Weka...
Extensity asked 17/11, 2012 at 17:11
4
Solved
I am trying to set permissions on BigQuery in order to have users being able to see and query tables on one dataset but being able to edit, create and delete tables on another dataset.
I'm not ab...
Fiddlestick asked 4/2, 2019 at 13:48
15
Solved
I'm modifying someone else's code where a query is performed using the following:
DataSet ds = new DataSet();
SqlDataAdapter da = new SqlDataAdapter(sqlString, sqlConn);
da.Fill(ds);
How can I t...
2
Solved
Problem Description
I tried to load image data using a PyTorch custom dataset, however, I received the error message listed below. After its occurrence, I checked the data and found that my image s...
Gelatin asked 30/9, 2021 at 13:36
6
Solved
How can I delete a column of a Dataset?
Is there a method that will do this for me like this:
rh.dsDetail = ds.Tables[0].Columns.Remove(
Or maybe like this:
rh.dsDetail = ds.Tables[0].Columns....
3
Solved
I would like to read in R a dataset from google drive as the
screenshot indicated.
Neither
url <- "https://drive.google.com/file/d/1AiZda_1-2nwrxI8fLD0Y6e5rTg7aocv0"
temp <- tempfile()
dow...
2
#join movie details to movie ratings
movie_score = pd.merge(movie_score,movies_with_genres,on='movieId')
#join movie links to movie ratings
#movie_score = pd.merge(movie_score,links,on='movieId')
m...
7
Solved
I am making a DataLoader from DataSet in PyTorch.
Start from loading the DataFrame with all dtype as an np.float64
result = pd.read_csv('dummy.csv', header=0, dtype=DTYPE_CLEANED_DF)
Here is my...
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