R help - Jan 2016

Sunday January 31 2016
TimeRepliesSubject
11:59PM 1 Plotting Dates Time Series Data
9:36PM 0 New Package: backblazer
6:02PM 0 Modelling non-Negative Time Series
12:10PM 0 R Studio error while installing twitteR package
10:56AM 2 R Studio error while installing twitteR package
9:17AM 1 Efficient way to create new column based on comparison with another dataframe
1:17AM 1 Problem displaying greek symbols
 
Saturday January 30 2016
TimeRepliesSubject
11:24PM 0 Problem displaying greek symbols
9:43PM 2 Problem displaying greek symbols
6:48PM 0 Efficient way to create new column based on comparison with another dataframe
6:23PM 0 about change columns for specific rows
5:50PM 2 Efficient way to create new column based on comparison with another dataframe
4:25PM 0 R help
2:43PM 0 Use of betatree {betareg} to estimate true positives from multiple tests
6:44AM 2 R help
6:34AM 0 Efficient way to create new column based on comparison with another dataframe
6:30AM 3 about change columns for specific rows
6:14AM 0 Reducing of car package when loading
1:57AM 0 on specifying an encoding for plot's main-argument
1:03AM 0 updating elements of a list of matrixes without 'for' cycles
 
Friday January 29 2016
TimeRepliesSubject
10:33PM 0 Time Series and Auto.arima
10:24PM 1 help on Rprofile.site
10:18PM 1 Error in loading caret
10:16PM 0 Time Series and Auto.arima
8:59PM 3 Time Series and Auto.arima
6:52PM 3 Efficient way to create new column based on comparison with another dataframe
6:11PM 2 Reducing of car package when loading
5:02PM 3 String Matching
3:35PM 2 on specifying an encoding for plot's main-argument
3:24PM 0 How to use compare.linkage in RecordLinkage package -- unexpected output
11:10AM 1 help with ggplot2
8:59AM 0 Redirect Output to File and Screen in Parallel
8:15AM 2 Redirect Output to File and Screen in Parallel
7:42AM 0 Redirect Output to File and Screen in Parallel
6:10AM 2 Multilevel Modeling in R
6:05AM 4 Redirect Output to File and Screen in Parallel
1:42AM 0 Two-way cluster
 
Thursday January 28 2016
TimeRepliesSubject
8:01PM 0 How to use compare.linkage in RecordLinkage package? -- more details but problem remains
7:39PM 0 Angle between two points with coordinates
6:38PM 0 Angle between two points with coordinates
5:09PM 4 Angle between two points with coordinates
3:18PM 0 How to use compare.linkage in RecordLinkage package -- unexpected output
2:48PM 0 How to use compare.linkage in RecordLinkage package -- unexpected output
1:08PM 0 Error while integrating R with netbeans using rJava
10:34AM 0 Introduction to GAM and GAMM with R course
6:41AM 0 Read all the 332 files and count the number of complete rows
6:22AM 2 Error while integrating R with netbeans using rJava
5:13AM 0 Any packages similar to XMLmapper interface of SAS in R??
1:41AM 2 Read all the 332 files and count the number of complete rows
 
Wednesday January 27 2016
TimeRepliesSubject
11:38PM 0 randomForest and factor predictors--unexpected results
10:39PM 0 R-help with markovchain package and sensitivity analysis
4:51PM 2 normalmixEM gives widely divergent results.
11:56AM 0 rpart and survey weights
11:00AM 0 carolina function help
9:56AM 4 Error : there is no .Internal function 'par'
 
Tuesday January 26 2016
TimeRepliesSubject
9:36PM 2 carolina function help
9:35PM 1 Sorting a Data Frame
9:24PM 0 Sorting a Data Frame
8:11PM 3 Confidence Interval for R-squared
6:26PM 1 Weighted Quantile Regression as a function of Tau and Weights array
5:29PM 0 How do I parse embedded quotes?
5:16PM 2 R tool downloaded
4:48PM 1 organizing my data before doing a cluster analysis
3:44PM 2 How do I parse embedded quotes?
2:28PM 1 R Licensing Question
1:55PM 1 probability or a quantile from various distributions for multiple comparisons of means
1:19PM 2 Sorting a Data Frame
12:36PM 0 Downloading Google finance data onto R
12:16PM 3 Downloading Google finance data onto R
11:30AM 1 R-help mailing list activity / R-not-help?
2:13AM 1 Block Triangular Matirx
12:20AM 1 Problem with installing "mapview"
 
Monday January 25 2016
TimeRepliesSubject
11:54PM 1 tcltk table: get celltag value
10:32PM 0 R-help mailing list activity / R-not-help?
9:22PM 2 R-help mailing list activity / R-not-help?
9:20PM 0 Logistic Regression
9:13PM 0 R-help mailing list activity / R-not-help?
8:33PM 4 R-help mailing list activity / R-not-help?
8:12PM 2 Division of data set with some restriction
8:10PM 0 Drive traffic to your booth
8:07PM 0 R-help mailing list activity / R-not-help?
7:45PM 2 R-help mailing list activity / R-not-help?
5:50PM 0 R-help mailing list activity / R-not-help?
5:35PM 3 R-help mailing list activity / R-not-help?
5:14PM 0 R-help mailing list activity / R-not-help?
4:06PM 0 R-help mailing list activity / R-not-help?
12:23PM 5 R-help mailing list activity / R-not-help?
10:21AM 0 tcltk table "validateCommand"
8:52AM 1 Matrix of Lists containing numbers and characters
6:45AM 0 Block Triangular Matirx
3:45AM 1 Mixture Discriminant Analysis and Penalized LDA
12:39AM 2 Block Triangular Matirx
 
Sunday January 24 2016
TimeRepliesSubject
10:45PM 1 Error because of large dimension
9:42PM 0 R-help mailing list activity / R-not-help?
9:29PM 0 Error because of large dimension
6:24PM 1 logical vector of the indices of a string in a vector
5:27PM 1 Extracting complete information from XML data file using R-Nested Lists
4:46PM 3 Error because of large dimension
3:45PM 0 Estimating MA parameters through arima or through package "dlm"
 
Saturday January 23 2016
TimeRepliesSubject
11:03PM 1 rstanarm compilation
8:46PM 0 Logistic Regression
8:41PM 5 Logistic Regression
5:40PM 0 Constrained Poisson model / Bayesian Poisson model
2:12PM 0 R-help mailing list activity
1:46PM 1 qplot Error Message
1:33PM 0 R-help mailing list activity
1:24PM 2 Constrained Poisson model / Bayesian Poisson model
12:28PM 8 R-help mailing list activity
12:28AM 0 Sorting a Data Frame
12:21AM 2 Sorting a Data Frame
 
Friday January 22 2016
TimeRepliesSubject
10:31PM 1 Error opening SHP file
8:31PM 1 Dimension of quantile function output
8:25PM 2 tcltk table "validateCommand"
7:32PM 0 aggregate and the $ operator
7:20PM 4 aggregate and the $ operator
6:45PM 0 Error opening SHP file
5:24PM 2 Error opening SHP file
5:23PM 0 unexpected behaviour of an extended time series (using packages spuRs and xts)
4:38PM 0 Updating a Time Series After Forecast()
4:38PM 0 Shift all values above certain value by 1
4:34PM 2 Shift all values above certain value by 1
4:03PM 0 Error opening SHP file
3:57PM 0 Logical operator in R
3:46PM 5 Logical operator in R
3:01PM 1 Constrained Poisson model / Bayesian Poisson model
1:23PM 0 pgmm error message, Error in terms.default(formula) : no terms component nor attribute
10:49AM 0 tcltk tkwidget(..."table")
10:46AM 0 calculating functional complimentarity
9:18AM 1 getting values from php or javascript
7:29AM 2 Lists heading in an array of lists in R
1:40AM 0 Error opening SHP file
12:39AM 5 Error opening SHP file
 
Thursday January 21 2016
TimeRepliesSubject
9:35PM 3 tcltk tkwidget(..."table")
8:08PM 0 tcltk: write '[' and ']' in a table cell
7:46PM 0 tcltk tkwidget(..."table")
7:29PM 0 ggplot2 - specific y axis scale for each time series in facet grind
6:06PM 2 R editor for Mac
5:54PM 0 R editor for Mac
5:48PM 3 R editor for Mac
3:15PM 3 ggplot2 - specific y axis scale for each time series in facet grind
3:06PM 0 strange answer when using 'aggregate()' with a formula
3:01PM 1 Survival::coxph (clogit), survConcordance vs. summary(fit) concordance
2:19PM 0 question for bayesian regression
2:01PM 1 trimmed mean and Winsorized mean
1:33PM 1 Fwd:
9:50AM 3 trimmed mean and Winsorized mean
9:16AM 1 Histogram with a wide range of numbers.
7:15AM 0 R editor for Mac
4:08AM 1 strange answer when using 'aggregate()' with a formula
1:12AM 2 tcltk: write '[' and ']' in a table cell
 
Wednesday January 20 2016
TimeRepliesSubject
11:33PM 1 Splitting strings in data files R
11:25PM 2 tcltk tkwidget(..."table")
11:08PM 0 R plot-par(mfrow=c(x,y)) on multiple pages
11:07PM 0 tcltk tkwidget(..."table")
10:59PM 0 (no subject)
10:47PM 0 Splitting strings in data files R
9:56PM 3 R plot-par(mfrow=c(x,y)) on multiple pages
9:55PM 0 ggplot2 - curveGrog - annotation_custom
9:49PM 0 ggplot2 - curveGrob - annotation_custom
9:27PM 0 R plot-par(mfrow=c(x,y)) on multiple pages
9:26PM 0 Fwd:
8:53PM 3 Splitting strings in data files R
8:37PM 2 R plot-par(mfrow=c(x,y)) on multiple pages
7:59PM 1 R editor for Mac
7:51PM 0 Simple syntax question (I think)
7:22PM 0 R editor for Mac
7:21PM 3 Simple syntax question (I think)
6:57PM 0 Simple syntax question (I think)
6:28PM 0 R editor for Mac
6:26PM 2 Simple syntax question (I think)
6:22PM 12 R editor for Mac
4:36PM 0 (no subject)
3:32PM 0 Gsarima and Method
1:11PM 0 Survival::coxph (clogit), survConcordance vs. summary(fit) concordance
12:31PM 0 problem of interpretation using mediation package
11:27AM 0 Error using Rhipe
11:21AM 0 config args for Rmpfr to link to mpfr and gmp?
10:34AM 1 Where to get quantiles (1st parameter q) for pnorm? (Normal approximation to binomial distribution)
10:17AM 0 spline.correlog (ncf package) - Error message: tol must be strictly positive and finite
9:05AM 0 adehabitat and tcltk
3:53AM 0 R Courses: Sydney, Melbourne and Brisbane, February 2016
12:31AM 1 Installing ggplot2
 
Tuesday January 19 2016
TimeRepliesSubject
8:35PM 0 (no subject)
7:48PM 2 tcltk tkwidget(..."table")
5:48PM 2 Survival::coxph (clogit), survConcordance vs. summary(fit) concordance
3:44PM 1 xts/zoo index problem?
12:50PM 1 gap.plot fails to plot tick labels on y-axis
11:20AM 1 Adjust Richards model with nlme
10:16AM 4 (no subject)
2:31AM 2 xts/zoo index problem?
2:26AM 0 xts/zoo index problem?
1:55AM 2 xts/zoo index problem?
 
Monday January 18 2016
TimeRepliesSubject
7:29PM 1 LSD value
7:00PM 0 LSD value
6:51PM 0 Installation of R Rmpi and snow on cluster running Platform MPI and PBS Pro
4:46PM 2 LSD value
4:15PM 0 Order of formula terms in model.matrix
3:49PM 2 Order of formula terms in model.matrix
2:28PM 0 Strange behavior with S3 class
12:30PM 0 tikzDevice and Sweave
11:59AM 2 Strange behavior with S3 class
11:12AM 2 tikzDevice and Sweave
9:14AM 0 read in csv.-data file with blanks and missing values
8:19AM 0 Split Strings
4:17AM 0 tikzDevice and Sweave
 
Sunday January 17 2016
TimeRepliesSubject
11:01PM 1 Reading a tab delimted file of varying length using read.table
9:48PM 0 Reading a tab delimted file of varying length using read.table
9:44PM 3 (no subject)
8:56PM 4 Split Strings
8:54PM 2 tikzDevice and Sweave
8:40PM 0 tikzDevice and Sweave
8:25PM 3 tikzDevice and Sweave
7:53PM 1 Order of formula terms in model.matrix
6:34PM 0 Order of formula terms in model.matrix
3:31PM 5 Reading a tab delimted file of varying length using read.table
3:17PM 0 Aggregate records to 10min
2:58PM 0 Ordinal regression with some categories combined for some data
1:42PM 3 Order of formula terms in model.matrix
10:51AM 0 The "cloud" CRAN server.
4:07AM 2 The "cloud" CRAN server.
12:38AM 0 Ordinal regression with some categories combined for some data
 
Saturday January 16 2016
TimeRepliesSubject
6:45PM 0 Aggregate records to 10min
3:36PM 0 featurised matrix factorisation in R
2:53PM 2 use gcheckbox in gWidgets to switch on/off gframe
11:22AM 2 featurised matrix factorisation in R
5:46AM 0 installing tikzDevice for R 3.2.3
4:45AM 1 installing tikzDevices for R 3.2.3
4:42AM 2 installing tikzDevices for R 3.2.3
3:37AM 0 installing tikzDevices for R 3.2.3
3:25AM 3 installing tikzDevices for R 3.2.3
3:18AM 0 readWorksheetFromFile error message: invalid 'envir' argument
 
Friday January 15 2016
TimeRepliesSubject
10:57PM 2 creating cubes
10:26PM 0 creating cubes
10:24PM 1 rjags loading error
10:20PM 2 creating cubes
6:38PM 0 Segmentation Fault on Debian
5:59PM 3 Use SQL in R environment
3:48PM 3 Ordinal regression with some categories combined for some data
2:43PM 3 write.xlsx- writing in a single sheet
2:16PM 1 EXTRACT POINT DATA FROM NETCDF FILE
1:38PM 3 Problems with data structure when using plsr() from package pls
12:55PM 0 Problems with data structure when using plsr() from package pls
12:16PM 2 Panel plots for means of cyclical observations
10:41AM 0 R 3.2.3 on Windows 8.1 with interface scaling: how do I produce metafiles that fill the whole canvas?
5:26AM 2 How can we let "multiplot.R" return a plot?
4:18AM 0 Multiplication of high dimensional array
 
Thursday January 14 2016
TimeRepliesSubject
10:45PM 1 Problem with rJava
9:36PM 1 Updating a Time Series After Forecast()
9:34PM 0 Tukey and extracting letters in multcomp
7:30PM 0 read.xlsx - write.xlsx: reading/writing numbers as character
5:17PM 3 read.xlsx - write.xlsx: reading/writing numbers as character
4:29PM 0 read.xlsx - write.xlsx: reading/writing numbers as character
4:20PM 2 read.xlsx - write.xlsx: reading/writing numbers as character
3:18PM 0 zyp Vs. kendall package for Time Series Trend
3:05PM 2 unexpected behaviour of an extended time series (using packages spuRs and xts)
1:42PM 1 R: layout() affects margin size in subfigures [unexpected behaviour]
12:37PM 0 parameter constraints in glm() and Bayesian version
12:03PM 0 Overlapping subject-specific histograms
11:47AM 2 Overlapping subject-specific histograms
10:33AM 1 Problems with data structure when using plsr() from package pls
8:34AM 1 printing a data.frame that contains a list-column of S4 objects
8:10AM 2 Writing a matrix of lists as a CSV file
4:16AM 0 Problems with data structure when using plsr() from package pls
3:49AM 0 Could the function "addPlot.RTF {rtf}" add multiplots to Word?
 
Wednesday January 13 2016
TimeRepliesSubject
10:55PM 1 Improve training of predictive neural networks
9:12PM 1 Forecast and xreg
8:42PM 0 Revolutions blog: December 2015 roundup
7:02PM 6 Problems with data structure when using plsr() from package pls
6:16PM 0 Multiple CSV files in different sheets of an Excel file
5:57PM 0 xps installation error on Mac OS X 10.11
4:30PM 2 Multiple CSV files in different sheets of an Excel file
2:53PM 0 Multiple CSV files in different sheets of an Excel file
2:47PM 2 Multiple CSV files in different sheets of an Excel file
2:44PM 0 Multiple CSV files in different sheets of an Excel file
2:18PM 3 Multiple CSV files in different sheets of an Excel file
8:23AM 0 Scaling rows of a large Matrix::sparseMatrix()
8:20AM 1 cross correlation of filtered Time series
5:10AM 0 cross correlation of filtered Time series
1:50AM 3 Scaling rows of a large Matrix::sparseMatrix()
 
Tuesday January 12 2016
TimeRepliesSubject
11:10PM 2 Trying to use name of difference variable created in a function in call to wilcox.test function.
9:22PM 2 Running R 3.2.2 on Mac OS X 10.11.3 - not getting proper response to ls and dir commands ... launching error scripts. See below:
6:51PM 0 printing a data.frame that contains a list-column of S4 objects
5:15PM 2 printing a data.frame that contains a list-column of S4 objects
5:02PM 0 for loop
4:16PM 2 Forecasting with Timeseries with Different Frequency
4:08PM 2 cross correlation of filtered Time series
5:53AM 3 for loop
12:23AM 0 multiple model selection for vglm models
 
Monday January 11 2016
TimeRepliesSubject
10:39PM 0 rgl.snapshot only captures a small portion what's visible in the RGL device window on CentOS 7
7:34PM 0 Order of factor levels
7:24PM 3 Order of factor levels
7:08PM 0 embedding expression into title in R plot
6:54PM 0 different coloured axis title labels for different axes
6:01PM 0 embedding expression into title in R plot
3:59PM 4 embedding expression into title in R plot
3:44PM 4 different coloured axis title labels for different axes
12:28PM 1 OpenAir package help!!
12:07PM 0 Help request from Ph.D. Students
10:01AM 0 [FORGED] Package "boot" and Bca for %
10:00AM 0 Propensity score matching with MatchIt
7:17AM 1 [Q] It it possible to create the data frame only non-zero data column?
4:58AM 0 cross correlation of filtered Time series
 
Sunday January 10 2016
TimeRepliesSubject
8:21PM 2 Help request from Ph.D. Students
5:56PM 0 Package "boot" and Bca for %
2:56PM 1 Calculation of time for 5000 simulation study
2:06PM 0 Fraud detection Model in R
7:50AM 0 How to suppress console output when using choose.dir()?
1:38AM 2 How to suppress console output when using choose.dir()?
1:13AM 1 How do I start contributing to R ?
 
Saturday January 9 2016
TimeRepliesSubject
4:59PM 0 Which GLM to use with mixed predictor variables i.e. bothdiscrete and continous
3:56PM 0 new package: venn
3:11PM 0 Combining dataframes with different row numbers and plotting with ggplot2
2:29PM 2 Combining dataframes with different row numbers and plotting with ggplot2
2:08PM 0 Combining dataframes with different row numbers and plotting with ggplot2
2:01PM 0 Extracting point data using longitude and latitude from netcdf file using R
1:01PM 2 Extracting point data using longitude and latitude from netcdf file using R
12:14PM 0 Extracting point data using longitude and latitude from netcdf file using R
11:28AM 3 Extracting point data using longitude and latitude from netcdf file using R
9:55AM 1 Which GLM to use with mixed predictor variables i.e. both discrete and continous
1:24AM 1 permTREND function in package "perm"
1:12AM 0 rgl.snapshot only captures a small portion what's visible in the RGL device window on CentOS 7
 
Friday January 8 2016
TimeRepliesSubject
9:44PM 2 Combining dataframes with different row numbers and plotting with ggplot2
9:13PM 5 rgl.snapshot only captures a small portion what's visible in the RGL device window on CentOS 7
8:16PM 1 r output as html or pdf without rstudio
5:53PM 0 (no subject)
5:06PM 0 [Q] It it possible to create the data frame only non-zero data column?
4:47PM 1 Solve an equation including integral
4:28PM 0 Solve an equation including integral
4:07PM 2 (no subject)
3:07PM 1 plot 2D matrix of RGB values
2:30PM 1 Fwd: exact trend test (enumerate all possible contingency tables with fixed row and column margins)
8:35AM 2 NAs introduced by coercion
3:12AM 2 [Q] It it possible to create the data frame only non-zero data column?
12:23AM 0 Please help with volatility calculation in R (For my thesis)
 
Thursday January 7 2016
TimeRepliesSubject
11:34PM 0 model.matrix behaviour
8:43PM 1 mlogit.optim
8:22PM 1 Scripting Problem--Linear Regression Using Logit of the Response Variable
6:39PM 0 Fwd: exact trend test (enumerate all possible contingency tables with fixed row and column margins)
5:20PM 0 exact trend test (enumerate all possible contingency tables with fixed row and column margins)
4:54PM 1 Bezier to line segments
4:29PM 4 exact trend test (enumerate all possible contingency tables with fixed row and column margins)
3:14PM 0 Order of terms and model.matrix()
1:09PM 1 Question about Kolmogorov-Smirnov test behavior
12:24PM 0 Solve an Equation Including Integral
8:50AM 0 kernlab - laplacedot kernel error
8:30AM 4 "par(tcl=0.5,las=1)" doesn't work
7:31AM 0 exact trend test
4:37AM 0 [FORGED] Multiple Integrals
4:16AM 4 exact trend test
12:03AM 2 Multiple Integrals
 
Wednesday January 6 2016
TimeRepliesSubject
9:48PM 0 HELP - as.numeric changing column data
9:42PM 1 Amelia: Inputing Integers
8:01PM 2 HELP - as.numeric changing column data
7:02PM 1 HELP - Hausman Test + systemfit
6:55PM 1 A question about corAR1 and grouping
6:27PM 1 par(las=1) wirkt nicht
6:19PM 0 Mixed Beta Disrubutions
6:08PM 0 package broom
5:57PM 4 package broom
5:44PM 0 HELP - Hausman Test + systemfit
1:43PM 0 Bezier to line segments
1:02PM 2 HELP - Hausman Test + systemfit
10:28AM 1 hello everyone and happy new year
7:56AM 2 Bezier to line segments
6:34AM 0 R package built using newer version of R
 
Tuesday January 5 2016
TimeRepliesSubject
8:29PM 0 new release of proftools package.
7:34PM 2 R package built using newer version of R
7:15PM 0 R package built using newer version of R
6:13PM 0 store results from loop into a dataframe
5:39PM 2 store results from loop into a dataframe
5:19PM 0 store results from loop into a dataframe
4:48PM 2 store results from loop into a dataframe
4:39PM 0 Equality of factor levels problem
4:15PM 0 Subsetting a square marix
3:58PM 2 Equality of factor levels problem
1:43PM 0 The R Journal, Volume 7, Issue 2
12:51PM 0 R Course in Dublin (February 3rd-5th)
12:23PM 0 SNG uz malo regresije
9:06AM 2 Subsetting a square marix
8:41AM 3 R package built using newer version of R
7:30AM 0 dput sparseMatrix list
7:17AM 2 dput sparseMatrix list
6:19AM 2 Merging two data files based on common dates
 
Monday January 4 2016
TimeRepliesSubject
7:26PM 0 rZeppelin: Easy Spark for R Data Scientists
7:15PM 0 R package built using newer version of R
7:02PM 2 R package built using newer version of R
2:25PM 1 Estimating MA parameters through arima or through package "dlm"
10:47AM 1 Better scrolling feature in ggplot using Shiny???
7:19AM 1 problem in installing package xpose4 in Rstudio
 
Sunday January 3 2016
TimeRepliesSubject
10:57PM 2 How to calculate the prediction interval without knowing the functional form
9:15PM 1 Thanks and further question
1:21PM 0 R under OS X El Capitan 10.11.2
12:02AM 1 (no subject)
 
Saturday January 2 2016
TimeRepliesSubject
11:18PM 0 R package
10:20PM 0 R package
8:24PM 0 R package
7:50PM 4 R package
5:53PM 0 Additional polymath query
4:52PM 4 Additional polymath query
4:38PM 0 [FORGED] Histogram for Left Censored Data
12:24PM 3 save screen printed data frames and ggplots into a file
8:04AM 0 R under OS X El Capitan 10.11.2
2:54AM 5 R under OS X El Capitan 10.11.2
2:10AM 1 plotmath problem
 
Friday January 1 2016
TimeRepliesSubject
9:33PM 0 missForest: Looping through files in a folder
7:18PM 0 save screen printed data frames and ggplots into a file
6:36PM 2 text duplication bug in mtext?
6:32PM 2 missForest: Looping through files in a folder
6:25PM 2 save screen printed data frames and ggplots into a file
11:45AM 6 [FORGED] Histogram for Left Censored Data
1:35AM 2 log log regression model
1:19AM 0 save screen printed data frames and ggplots into a file
12:46AM 3 save screen printed data frames and ggplots into a file