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==Importing / Exporting==


[[faq_concatenate_multiple_files|How do I concatenate multiple files into a single DataSet?]]
[[faq_create_multivariate_image_from_separate_images|How do I create a multivariate image from separate images?]]
[[faq_export_PCA_scores_and_loadings_to_text_file|How do I export PCA scores and loadings to a text file (to read into MS Excel, for example)?]]
[[faq_import_three-way_data|How do I import three-way data into Solo or PLS_Toolbox?]]
[[faq_import_horiba_NGC_64bit |Why can't I import a Horiba NGC file on my 64-bit computer?]]
[[faq_SPCREADR_cant_read_multiple_files |Why can't SPCREADR read multiple files I've selected?]]
[[faq_some_EXCEL_files_fail_to_import |Why do some Excel files fail to import?]]
==General==
[[faq_PARALIND_in_PLS_Toolbox |Can I do PARALIND in PLS_Toolbox?]]
[[faq_install_on_more_than_one_PC | Can I install PLS_Toolbox (or Solo) on more than one PC, such as on my desktop and laptop computer?]]
[[faq_multiple_class_sets_together_in_SIMCA_PLSDA_LDA | Can I use multiple class sets (categorical variables) together in a SIMCA, PLSDA, or LDA model?]]
[[faq_more_info_on_R_Squared_statistic | Can you give me more information on the R-Squared statistic?]]
[[faq_how_RMSEC_and_RMSECV_related to R2Y_and_Q2Y_seen_other_software | How are RMSEC and RMSECV related to R2Y and Q2Y I see in other software?]]
[[faq_convergence_of_PARAFAC| Convergence of PARAFAC. How much variation between models is expected a particular PARAFAC is fit multiple times with the same settings?]]
[[faq_does_software_stop_working_if_maintenance_expires | Does the software stop working if my maintenance expires?]]
[[faq_report_a_problem_with_PLS_Toolbox | How and where do I report a problem with PLS_Toolbox?]]
[[faq_how_are_T_contributions_calculated | How are T-contributions calculated?]]
[[faq_how_are_ROC_curves_calculated_for_PLSDA | How are the ROC curves calculated for PLSDA?]]
[[faq_how_are_error_bars_calculated_regression_model | How are the error bars calculated for a regression model and can they be related to a confidence limit (confidence in the prediction)?]]
[[faq_improve_performance_with_PLS_Toolbx_and_Matlab_on_Mac | How can I improve performance with PLS_Toolbox and Matlab on the Mac platform?]]
[[faq_assign_classes_for_samples_in_a_DataSet | How do I assign classes for samples in a DataSet?]]
[[faq_build_a_classification_model_from_class_set_other_than_the_first | How do I build a classification model from a class set other than the first?]]
[[faq_choose_between_different_cross_validation_leave_out_options | How do I choose between the different cross-validation leave-out options?]]
[[faq_reference_Eigenvector| How do I cite/reference Eigenvector?]]
[[faq_interpret_ROC_curves_and_Sensitivity_Specificity_plots_from_PLSDA | How do I interpret the ROC curves and Sensitivity / Specificity plots from PLSDA?]]
[[faq_make_DataSet_backwards_compatible | How do I make a DataSet backwards compatible?]]
[[faq_obtain_or_use_recompilation_license_for_PLS_Toolbox | How do I obtain or use a recompilation license for PLS_Toolbox?]]
[[faq_use_custom_cross_validation_option | How do I use the "custom" cross-validation option?]]
[[faq_out_of_memory_error_when_analyzing_data | I keep getting "out of memory" errors when analyzing my data. What can I do?]]
[[faq_java_lang_OutOfMemoryError| What can I do if I get a java.lang.OutOfMemoryError error?]]
[[faq_why_get_negative_scores_when_all_modes_are_set_to_nonnegativity | Nonnegativity (PARAFAC, PARAFAC2, Tucker): Why do I get negative scores when all modes are set to nonnegativity?]]
[[faq_what_are_relative_contributions | What are "Relative Contributions"?]]
[[faq_what_are_reduced_T^2_and_Q_Statistics | What are the "Reduced" T<sup>2</sup> and Q Statistics?]]
[[faq_units_for_RMSEC_and_RMSECV_for_PLSDA | What are the units used for RMSEC and RMSECV when cross-validating PLSDA models?  Why do the cross-validation curves look strange for PLSDA?]]
[[faq_what_do_the_four_Fit_/_Unique_Fit_stats_mean_in_MCR_PARAFAC | What do the four Fit/Unique Fit statistics mean in MCR and PARAFAC models?]]
[[faq_internal_tests_used_to_select_suggested_number_of_PCs | What internal tests are used to select "suggested" number of PCs?]]
[[faq_what_is_PLS1_v_PLS2_and_how_to_create_separate_PLS1_models_from_multi_column_y_block | What is PLS1 vs PLS2 and how do I create separate PLS1 models when I have a multi-column y-block?]]
[[faq_difference_between_a_loading_and_a_weighting | What is the difference between a loading and a weighting?]]
[[faq_why_some_axis_labels_and_titles_upside_down_in_MIA_Toolbox | Why are some axis labels and titles on my axes upside-down when I'm viewing images in MIA_Toolbox?]]
[[faq_why_can't_I_recompile_PLS_Toolbox_functions | Why can't I recompile the PLS_Toolbox functions?]]
[[faq_why_get_missing_data_warning| Why do I get the warning/notice "Missing Data Found - Replacing with "best guess" from existing model. Results may be affected by this action."]]
[[faq_why_PLS_Toolbox_have_a_boxplot_function_that_conflicts_with_Stats_Toolbox | Why does PLS_Toolbox have a "boxplot" function that conflicts with the Mathworks Statistics Toolbox function of the same name?]]
[[faq_why_R2014b_give_error_cannot_convert_double_value_to_a_handle | Why does R2014b give me "Error using matlab.ui.Figure... Cannot convert double value to a handle" (or similar)?]]
==Command Line==
[[faq_specify_all_options_of_a_function_or_only_those_different_from_defaults | Do I have to specify all the options to a function or only the ones that are different from the defaults?]]
[[faq_how_are_Q_residuals_and_Hotellings_T2_calculated_in_PLS_models | How are the Q-residuals and Hotelling's T<sup>2</sup> values calculated for PLS models?]]
[[faq_how_to_automate_PCA_analysis_for_multiple_images  | How do I automate PCA analysis for multiple images?]]
[[faq_how_do_I_calculate_my_own_T2_and_Q_limits | How do I calculate my own T<sup>2</sup> and Q limits?]]
[[faq_how_do_manually_calculate_the_limits_for_scores | How do I manually calculate the limits for scores?]]
[[faq_how_do_I_calculate_scores_from_a_PLS_or_PLSDA_model | How do I calculate scores from a PLS or PLSDA model?]]
[[faq_how_do_I_change_the_default_options_for_a_function | How do I change the default options for a function?]]
[[faq_how_do_I_interpret_the_misclassification_results_reported_by_crossval | How do I interpret the Misclassification results reported by crossval?]]
[[faq_how_do_I_make_PlotGUI_send_plot_to_a_new_figure_and_not_overwrite_current_figure | How do I make PlotGUI send its plot to a new figure and not overwrite the current figure?]]
[[faq_how_do_I_retrieve_and_display_predictions_from_a_model_structure_in_command_window | How do I retrieve and display predictions from a model structure in the command window?]]
[[faq_how_do_I_specify_all_options_on_the_same_line_that_contains_the_call_to_a_function | How do I specify all options on the same line that contains the call to a function?]]
[[faq_how_do_I_use_specific_known_pure_component_spectra_with_MCR | How do I use specific known pure component spectra with MCR (Multivariate Curve Resolution)?]]
[[faq_how_does_PCA_cross_validation_work_in_PLS_Toolbox_and_Solo_and_how_do_I_set_up_command_line | How does PCA cross-validation work in PLS_Toolbox and Solo and how do I set up the command-line options to best use it?]]
[[faq_where_to_find_a_description_of_the_parafac2_constraints | Where do I find a description of the parafac2 constraints?]]
[[faq_where_to_find_regression_vector_and_regression_intercept_for_a_PLS_or_PCR_model | Where do I find the regression vector (B) and regression intercept (B<sub>0</sub>) for a PLS or PCR model?]]
[[faq_get_different_cross_validation_results_from_command_line_crossval_routine_compared_to_Analysis_window | Why do I get different cross-validation results from the command-line crossval routine compared to the Analysis window?]]
[[faq_why_does_PCAENGINE_change_the_sign_of_the_loadings_returned_by_SVD | Why does the PCAENGINE change the sign of the loadings returned by SVD?]]
[[faq_why_is_my_model_built_using_command_line_functions_different_from_the_same_one_I_built_in_Analysis_GUI | Why is my model built using command line functions different from the same one I built in Analysis GUI?]]
==Manual==
[[faq_what_kind_of_training_material_comes_with_a_PLS_Toolbox_or_Solo_license | What kind of training material comes with a PLS_Toolbox or Solo license?]]
==GUI==
[[faq_how_do_I_add_confidence_ellipses_around_groups_of_samples | How do I add confidence ellipses around groups of samples?]]
[[faq_how_do_I_add_my_own_preprocessing_methods_to_the_Preprocess_GUI | How do I add my own preprocessing methods to the Preprocess GUI?]]
[[faq_change_the_default_plots_created_by_the_Scores_button_in_the_Analysis_GUI | How do I change the default plots created by the Scores button in the Analysis GUI?]]
[[faq_change_the_limit_on_how_many_rows_or_columns_I_can_access_in_a_plot | How do I change the limit on how many rows or columns I can access in a plot (Plot Controls)?]]
[[faq_how_do_I_enable_the_PLS_PCR_and_or_SIMCA_analysis_methods_in_the_Analysis_GUI | How do I enable the PLS, PCR and/or SIMCA analysis methods in the Analysis GUI?]]
[[faq_how_to_export_PCA_PLS_PCR_predictions_or_scores_to_a_text_file_or_another_program | How do I export PCA, PLS or PCR predictions or scores to a text file or another program?]]
[[faq_how_to_limit_my_analysis_to_a_sub_range_of_the_variables_in_my_data | How do I limit my analysis to a sub-range of the variables in my data?]]
[[faq_how_to_make_a_prediction_on_new_data_using_the_Analysis_or_Regression_GUI | How do I make a prediction on new data using the Analysis or Regression GUI?]]
[[faq_how_to_see_and_or_include_more_than_20_factors_in_a_PLS_or_PCR_model_when_using_Analysis_GUI | How do I see and/or include more than 20 factors in a PLS or PCR model when using Analysis GUI?]]
[[faq_unable_to_print | I am unable to print scores or loadings plots, or I am unable to print figures created by PlotGUI.]]
[[faq_error_in_PlotGUI_Invalid_object_handle_error_in_plotds_with_MIA_Toolbox | I get an error in PlotGUI "Invalid object handle" (error in plotds with MIA_Toolbox installed)]]
[[faq_what_is_the_figures_window_used_for_and_how_do_I_keep_all_figures_in_same_window | What is the "Figures" window used for and how do I keep all figures in the same window?]]
==Installation==
[[faq_easy_way_to_switch_from_one_version_of_PLS_Toolobx_to_another | Can you describe an easy way to switch from one version of PLS_Toolbox to another?]]
[[Category:FAQ]]

Latest revision as of 11:44, 1 August 2019