User: paramount.amin

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Posts by paramount.amin

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Comment: A: Separating Time from Date and changing the format of time column in RStudio
... I also tried to use this code, but it produces NAs ...
written 15 days ago by paramount.amin0
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Comment: C: Separating Time from Date and changing the format of time column in RStudio
... Is this because of the method that I am using for time separation? dt$date <- sapply(strsplit(as.character(dt$DateTime), " "), "[", 1) ...
written 15 days ago by paramount.amin0
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Comment: C: Separating Time from Date and changing the format of time column in RStudio
... I received this error: In eval(cols[[col]], .data, parent.frame()) : NAs introduced by coercion ...
written 15 days ago by paramount.amin0
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Comment: C: Separating Time from Date and changing the format of time column in RStudio
... I am running a Neural Network analysis and the time column format needs to be changed to numeric. How can I change that? (When I try to use as.numeric(), it turns all the value to N.A) ...
written 15 days ago by paramount.amin0
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Separating Time from Date and changing the format of time column in RStudio
... Hello I am processing a CSV file in Rstudio that has a date column like follow for five minutes time steps; > 2019-01-01 00:00:00 > 2019-01-01 00:05:00 > 2019-01-01 00:10:00 . . Time starts from the first day of January to the end of the year. and at the end of the year, this pattern will b ...
R written 16 days ago by paramount.amin0
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Comment: C: Selecting Specific Rows with Date and Time values in Rstudio
... Now it just returns NA values! ...
written 29 days ago by paramount.amin0
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Selecting Specific Rows with Date and Time values in Rstudio
... In order to investigate the seasonality effect in my data set, I want to select rows with a specific date and time values. I have multiple rows with the same date and time value ( i have combined multiple CSV files, each starting from the first day of January to the last day of December). I am using ...
R written 4 weeks ago by paramount.amin0
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(Closed) Adding the csv file names as a separate column to the csv file
... Hello I have multiple CSV files (14000) in a folder and all of them have the same column heads (temperature, humidity, ..) and rows of my CSV files are five minutes time steps for all the year. I need to combine all the CSV files, using bind_rows to have one single CSV file. How can I add the file ...
R written 6 weeks ago by paramount.amin0
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Comment: C: Reading Multiple CSV files and perform a logistic regression for all those files
... In this question, I tried to investigate the impact of different parameters on the fan using logistic regression for each file separately. How can I first bind all of my 13748 CSV files into one file in R and perform logistic regression on this file considering that my laptop memory is 8 GB? (I ne ...
written 7 weeks ago by paramount.amin0
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Comment: C: Reading Multiple CSV files and perform a logistic regression for all those files
... P values are the most important value that I am looking for. However, I need the coefficients of regression. Is there any way to extract coefficients and P-values? ...
written 7 weeks ago by paramount.amin0

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